Cessna 421B

Number of Active Aircraft: 339 Active- Map

Description:



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Fuel Cost ($):
General Stats:
Seat Capacity: 8
Empty Weight: 4359 lbs
Max Weight 7250 lbs
Useful Load: 2891 lbs
Engine Name CONT GTSIO-520-H
Engine Number 2
Horsepower 375 HP
Never Exceed Speed: 0 kts
Stall speed: 0 kts
Service Ceiling: 31800 ft
Max Fuel 255 Gal
Performance/Efficiency Metrics:
Cruise Speed(75%BHP): 234 kts
GPH (75% BHP): 47
MPG (75% BHP) 5
Range (75% BHP): 1143 nm
Fuel Cost Per Seat Mile 0.15 $
Fuel Cost Per Hour 282 $
MPG per 1000 lbs of Payload 14.39
F-T (Speed^2/FuelBurn) 11.7 HP
F-T Payload 33.8 kts
MPH To HP: 6.2 kts
T/O Roll - T/O over 50 FT OBST 1860 ft / 2387 ft

SA00001SE Installation of hydraulically actuated spoiler system. Reissued 7/9/2013
SA00015SE Installation of a vortex generator system on wing and vertical tail. Amended 8/13/1997
SA00024SE Installation of vortex generators on the wing and verticle tail and strakes on the nacelles. Amended 5/17/1996
SA00039DE Installation of preoiler system. Issued 6/11/1993
SA00040LB Installation of a modified exhaust tail pipe. Amended 11/27/1996
SA00057SE Installation of emergency medical stretcher oxygen and electrical systems. Amended 6/1/1994
SA00061LA Installation of JPI digital tachometer. Amended 1/12/1996
SA00068SE (PAGE 1) Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1) Amended 10/20/2010
SA00074SE Installation of vortex generator system on the wing and vertical stabilizer of these aircraft Amended 3/26/1998
SA00079NY Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less. Amended 10/31/2012
SA00091SE Replacement fuel filter element Aircraft Porous Media part number AC-A684F-40Y2 installed with aluminum plug in one end. Issued 5/25/1994
SA00103WI Installation of a heated windshield panel Amended 1/20/2011
SA00161BO (2 OF 3 Installation of Avidyne Corporation FlightMax 700-00007-( ) EX500 Multi-Function Display.  Amended 2/8/2005 0:00
SA00165BO Installation of Avidyne Corporation Datalink Coupler part number 700-00015-000 per Avidyne Corporation Master Document List Document No. AVACP-006 dtd 1/2/93 or later FAA-approved revisions. Issued 2/20/2003
SA00228NY Installation of Sky Harbour Aircraft Refinishing Ltd Ice Damage Prevention Plates. Amended 1/24/1997
SA00229BO Descriptive data pertaining to this modification is considered inadequate for duplication in other aircraft. This approval is limited to the installation made in Cessna Model 421B Serial Number 421B0507. Approval for operation in Known Icing Conditions. Issued 2/27/2006
SA00243BO (3 OF 5) Installation of Centurion Consulting Inc. GPS Steering Assist Module (SAM) with roll steering (p/n 0025-5100) or without roll steering (p/n 0025-5200). Amended 7/21/2011
SA00269BO (1OF 3) Installation of Avidyne Corporation TWX 670 Tactical Weather Detection System P/N 850-00026-000-( ) consisting of Avidyne Processor P/N 700-00033-000-( ) Sensor Systems Inc. Antenna P/N S72-1715-1 with doubler plate P/N S72-171530-1 and Avidyne Mounting Tray P/N 700-00034-000. Reissued 4/9/2010
SA00279SE Installation of redesigned engine exhaust stacks. Amended 2/8/2005
SA00281BO Installation of Avidyne Corporation MLX770 MultiLink Broadcast Transceiver P/N 700-00163-( ) Sensor Systems Inc. Antenna P/N S67-1575-109 or equivalent and optional Avidyne Mounting Tray P/N 700-00165-000 Amended 4/24/2012
SA00290BO (PAGE 1 ) Installation of Avidyne Corporation Part Number 700-00167-XXX Multi-Function Display and Mounting Tray Assembly Part Number 700-00168-XXX Reissued 7/1/2010
SA00308WI Installation of replacement wing rear spar caps. Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation made in Cessna Model 421 Serial No. 0169 only.  Reissued 12/1/2004
SA00320SE Installation of vortex generators on wing vertical tail and cowling. Issued 3/22/1996
SA00329SE Installation of vortex generators on wings and vertical stabilizer. Issued 4/19/1996
SA00333DE Installation of wastegate exhaust inlet elbow. Issued 1/14/1998
SA00375LA Installation of Single Magellan Systems CNS-12 Aircraft Communications Addressing and Reporting System (ACARS). Issued 5/13/1997
SA00381DE Modification of the Cessna 421C for installation of a Space Imaging System. Issued 5/21/1999
SA00404WI Installation of a starter engagement indication system. Issued 2/8/1996
SA00419NY Installation of cockpit utility light. Reissued 12/31/2002
SA00432SE (PG 4) Installation of EGT 701 series fuel flow instrument. Amended 4/12/2013
SA00514SE Installation of vortex generators on the wings and rudder and installation of a strake on the outboard side of each engine. Issued 4/28/1998
SA00537SE Installation of vortex generators on the wing and rudder surfaces and installation of nacelle strakes. Issued 7/16/1998
SA00556DE Installation of a left-hand exhaust stack assembly. Issued 9/23/2004
SA00571SE Replacement of certain BF Goodrich pneumatic deicer boots. Reissued 6/13/2001
SA00674WI-D Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II system installation. Amended 7/23/2012
SA00678SE Installation of J. P. Instruments 8Jimline EGT-100 series primary instruments Issued 3/5/1999
SA00680SE (4 OF 6 Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.  Reissued 7/8/2005
SA00709LA Installation of control wheel. Includes provisions only for a push-to-talk (PTT) switch. Separate FAA approval of PTT switch is required. Reissued 5/14/2002
SA00729SE Installation of twin temperature indicating system with fuel flow in accordance with J.P. Instruments (JPI) Installation manual Report No. 760 Revision - dated 7/20/99 or later FAA approved revision. Amended 11/30/2005
SA00747AT Installation of left hand and right hand inboard fuel cell assemblies. Reissued 4/27/2009
SA00749AT Modification of flush type fuel caps for installation of a locking cylinder and keeper. (1964 and subsequent) Amended 12/10/1997
SA00761AT Installation of left and right side fuel cell assemblies. Reissued 4/27/2009
SA00763AT Installation of left hand and right hand fuel cell assemblies. (310 S/N PO240 and up 401 S/N 1 thru B1200 402 S/N 1 thru B1200) Reissued 4/29/2009
SA00780SE (PAGE 2) Installation of the True Lock Safety Retention Axle Lock Nut System in accordance with AML No. SA00780SE dated February 1 2001 or later FAA approved revision. Amended 5/11/2010
SA00804SE Installation of an engine failure indicator system also referred to as a low Thrust Detector system.  Amended 7/16/2000
SA00823CH Installation of various de-icer wire harnesses. Reissued 10/10/2002
SA00833WI Installation of a seat headrest. Issued 11/5/1999
SA00861SE Page 4 Installation of J.P. Instruments (JPI) fuel flow indicating system Amended 4/12/2013
SA00944CH Replace Janitrol/JanAero Combustion Heater Model 81D94-X (XX) with C&D Associates Combustion Heater Model CD45K either P/N RA-81D94-3 or P/N CD81D94-3. (95-B55 S/N TC-1658 and up E55 S/N TE-959 TE-968 and up 58 S/N TH-437 and up) Amended 6/20/2000
SA00948CH Installation of various de-icer wire harnesses. (E90 modified by STC SA3593NM F90 modified by STC SA4131NM B200 modified by STC SA2698NM-S DHC-6 Series modified by STC SA3532NM) Amended 1/29/2004
SA00997WI-D Installation of Bendix/King KFC 225 Automatic Flight Control System. For Model 421C serial numbers 421C0401 and after. Amended 12/7/2001
SA00998WI-D Installation of Bendix/King KMD 550/850 Multi-Function Display with optional KLN 94 Global Positioning System KGP 560 General Aviation Enhanced Ground Proximity Warning System RDR 2000 Weather Radar System and KMH 880 Multi-Hazard Awareness System or KTA 870 Traffic Awareness System. Amended 12/7/2002
SA01085LA (PAGE 2) Installation of the VNS 1000 Voice Navigation System. Reissued 4/26/2010
SA01105WI-D (1 OF 2) Installation of Bendix/King KMD 550/850 Multi-Function Display System with Optional Traffic Terrain and Weather Sensors. This STC also is approved for some single-engine aircraft. See SA01105WI-D (2 of 2). Amended 5/31/2007
SA01114CH Installation of P2 Incorporated 6600 Audio Advisory system Reissued 11/4/2013
SA01117AT Installation of Composite Spinner. Amended 10/13/2000
SA01118WI Installation of the Concorde FLA or VRSLA RG series batteries in the Cessna Single Engine Airplanes listed on the attached FAA Approved Model List (AML) No. SA01118WI dated October 17 2001 Amended 11/30/2013
SA01141WI-D Modification of a single or dual Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92 control head to a Flight ID capable Collins TDR-94 or TDR-94 Mode S Transponder System installation with CTL-92E control head. Amended 5/24/2006
SA01157LA Installation of Electronics International Model FP-5 or FP-5L fuel flow/fuel pressure instrument as a replacement instrument. Reissued 1/20/2005
SA01158WI (1 OF 2) Installation of Aero Enhancements UV250-1 Supplemental Instrument Panel Lightning System. Amended 3/29/2005
SA01163WI Installation of Meggitt Avionics Electronic Flight Instrument System (EFIS) including single Primary Flight Display single Navigation Display Air Data and Attitude and Heading Reference System. Issued 5/23/2003
SA01205WI-D (1 OF 2) Installation of the KMD 250 Multi-Function Display System with Optional Internal VFR GPS and Optional Traffic and Weather Sensors. );INSERT INTO stc_table VALUES (  Amended 11/20/2007
SA01213CH Install air ambulance conversion in accordance with Spectrum Aeromed Inc. Drawings as listed on AML SA01213CH or later FAA approved revision. Amended 3/29/2011
SA01229SE Page 1 Installation of CNX80 GPS WAAS Navigator with integrated VHF Navigation and Communication radios. Amended 6/27/2007
SA01240SE (2 OF 5) Installation of secondary voltage indication system Reissued 4/3/2006 0:00
SA01280CH Installation of Challenger Spin-On Oil Filters.(For Cessna 182 model s/n 67042 and up) (For Cessna 421C model s/n 1017 thru 1404) Issued 8/29/2000
SA01294WI  Installation of MT-Propeller Model MTV-14-D-C-F/CF188-30g hydraulic 4-blade variable pitch propeller.  Reissued 3/20/2007
SA01306WI-D Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation. Amended 2/28/2007
SA01316LA Installation of Sandel Avionics Terrain Awareness and Warning System. Issued 7/10/2002
SA01329LA Installation of Blue Sky Network Satellite Telephone System. Reissued 5/20/2002
SA01330LA (PAGE 1) Installation of alternate avionics support assembly. Reissued 10/6/2010
SA01420WI Installation of Garmin GNS 430A / 530A COMM/NAV/GPS Systems. Data required: (1) Scandinavian Avionics Design GmbH Drawing List 2027438-DL-02 Issue 2 or later EASA approved revisions. (2) Scandinavian Avionics Design GmbH Approved Aircraft Flight Manual Supplement Doc. 2027438-AM-02A Issue 1 and Doc. 2027438-AM-02B Issue 2 both approved by EASA under approval No. EASA.A.S.01389 dated 07-09-2005 or later EASA approved revision. );INSERT INTO stc_table VALUES (  Issued 4/6/2007
SA01436SE (1 OF 2) Cockpit sunvisor retrofit kit. Issued 8/2/2004
SA01452CH Installation of an air ambulance conversion kit. Amended 3/27/2013
SA01473SE (2 OF 5) Installation of a GTX 32 (mode C) GTX 33 (mode S) or GTX 33D (mode S with diversity) Remote Transponde Amended 5/21/2008
SA01487SE-D (Page 1) Installation of a GDL 69 or GDL 69A XM Satellite Receiver Amended 5/4/2012
SA01588LA Installation of Blue Sky Network D-1000 Datalink System in accordance with the FAA Approved Master Data List - Blue Sky Network Document No. 3SKY01 Revision D dated January 20 2004 or later FAA Approved revisions. Issued 1/23/2004
SA01591SE Fabrication of Spoilers Inc. Model SP1000UG spoiler system. Issued 9/16/2005
SA01669CH Installation of Challenger Reusable Air Filter Amended 6/21/2012
SA01680AT New Maximum gross weight limitation of 6000 pounds. Issued 7/23/1998
SA01692SE (Page 1 OF 2) Installation of a Garmin GMX 200 Multi-Function Display Reissued 10/3/2012
SA01695SE (2 OF 5) Installation of an antenna Amended 2/15/2007
SA01714WI (Page 1) Installation of a Garmin GTX 330/330D/33/33D with ADS-B Out functionality Issued 5/1/2013
SA01734SE (PG 4) Application of Stewart Systems synthetic fabric covering system to aircraft fuselage wings tail surfaces control surfaces and related parts. Amended 3/23/2011
SA01750SE Fabrication of Dahlia Doubler. Reissued 8/24/2011
SA01751SE Fabrication of Panida Doubler. Reissued 8/24/2011
SA01752SE Fabrication of Panida Doubler. Reissued 8/24/2011
SA01763SE Fabrication and installation of AeroAcoustics Aircraft Systems (AASI) Aircraft Payload Extender XL gross weight increase system. Issued 5/31/2007
SA01800SE (PG 2) Fabrication and installation of new or replacement of existing instrument panel lights dimmer control.  Reissued 12/1/2011
SA01815LA Installation of Sandel Avionics SN3500 Electronic Horizontal Situation Indicator (EHSI). Issued 8/25/2005
SA01828SE Installation of J.P. Instruments (JPI) EDM-960 Primary Engine Data Management System Reissued 5/12/2011
SA01860NY (3 OF 3) Installation of Graphic Engine Monitors (GEM) Models GEM-610 and GEMINI 1200.  Amended 5/31/2006
SA01861SE (PAGE 2)  Fabrication and installation of Landing Light Controller Reissued 12/1/2011
SA01933LA-D Page 1 Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation );INSERT INTO stc_table VALUES ( System Amended 4/1/2013
SA01933LA (1 OF 5)  Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System Amended 11/6/2006
SA01935LA  Installation of external aft body strakes. Amended 8/14/2009
SA01988SE (PAGE 3) Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.  Issued 4/17/2009 0:00
SA02003NY Installation of SMR Technologies pneumatic deicer models. Reissued 8/29/2006
SA02013CH Installation of a Royal International Model 9900BX Traffic Advisory System (TAS). Amended 5/2/2011
SA02019SE-D Installation of Garmin GTN 6XX/7XX Navigation System Amended 12/13/2013
SA02033AT (PAGE 2) Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc s SH4-235SW SH4-826SW or SH479SW) Amended 7/25/2008
SA02033AT (PAGE 6) Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc s SH4-235SW SH4-826SW or SH479SW) Amended 7/25/2008 0:00
SA02075SE Installation of a Mid-Continent MD835( ) Lithium Ion Battery Amended 2/28/2013
SA02095AK Installation of hourmeter airspeed switch. Issued 12/10/1997
SA02110CH (PAGE 2) Installation of a Time Trac Data Recorder  Reissued 1/11/2010
SA02119SE Page 1 Installation of Garmin GDL 88 ADS-B UAT Transceiver System Issued 12/28/2012
SA02149AK Installation of GX50/60 GPS Navigator Capstone configured MX20 Multi-Function Display and UAT transceiver. Reissued 5/17/2013
SA02153LA-D (Page 1) Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System Amended 12/16/2013
SA02203AK (PAGE 2)  Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Amended 12/21/2011
SA02208SE Fabrication of AeroAcoustics Aircraft Systems (AASI) Aircraft Payload Extender short field landing performance (APE STOL) system in accordance with AASI Master Drawing List No. AA2230 Revision NC dated March 15 2011 or later Federal Aviation Administration (FAA) approved revision and installation of APE STOL system in accordance with AASI Installation Manual No. AA2231 Revision B dated December 27 2011 or later FAA-approved revision. Issued 1/11/2012
SA02217AK (3 OF 5 Installation of Garmin AT Model GDL90 UAT Data Link System in accordance with Garmin AT Inc. GDL 90 UAT Master Data List P/N 560-0278-01 Revision A dated November 12 2004 or later FAA approved revision.  Amended 12/1/2004 0:00
SA02239SE Installation of a Skymech rear spar replacement kit Issued 8/21/2012
SA02254AK Installation of Single Screen Amended 11/7/2011
SA02265SE Installation of a camera housing Amended 11/1/2013
SA02268CH (PAGE 2) Installation of Airwolf Filter Corp. Air Oil Separator Amended 8/28/2011
SA02268CH (PAGE 3) Installation of Airwolf Filter Corp. Air Oil Separator Amended 8/28/2011
SA02366AT-D Installation of replacement fuel cell assemblies Reissued 4/16/2009
SA02430LA Installation of fiberglass dome hubcaps on Cleveland 40-135 and 40-135A wheels with 3 each attach brackets bolted with existing wheel hardware to outer wheel halves Reissued 9/3/2013
SA02520AT Installation of M-20 Oil Separator model 600-WP. Issued 5/30/2002
SA02532AT Installation of subject Michelin tires on appropriate aircraft. For Michelin 5 6 8 and 10-inch rim diameter tires on General Aviation Aircraft. Issued 6/5/2002
SA02546NY Installation of the Lord Corporation Nose Wheel Shimmy Damper Part Number SE-1090-1 Issued 7/9/2008
SA02547AT (PG 2) Installation of a Voice Alert System. Amended 8/28/2007 0:00
SA02550NY Installation of a 4-blade MT-Propeller Models MTV-16-I-E-C-F/CF225-37a on a Cessna 421C airplanes. Issued 7/15/2008
SA02634AT-D Installation of fuel cell modifications consistent Reissued 4/16/2009
SA02738CH (PAGE 5) Installation of L-3 Communications Avionics Systems Amended 5/7/2010
SA02774CH Installation of a mounting device for a Class II Electronic Flight Bag on the instrument panel Amended 9/11/2011
SA02838AT Installation of a strobe light system. Issued 4/12/2004
SA02930NY Installation of Insight Instrument Corporation Graphic Engine Monitor (GEM 610C) models G3 G2 and G1 as primary Cylinder Head Temperature (CHT) Exhaust Gas Temperature (EGT) and Turbine Inlet Temperature (TIT) Instruments. Reissued 6/12/2012
SA03019AT Installation of a taxi light system. Issued 1/12/2005
SA03148NY ( PAGE 1 OF 2) The installation of the Latitude Technologies Corporation S100 Tracking System Issued 9/26/2012
SA03261AT Installation of a pitot head system cockpit indicator lights. Issued 4/25/2006
SA08996AC-D Installation of S-TEC System 55 Two Axis automatic flight guidance system Model ST-578 with optional autotrim system. Amended 5/10/2001
SA09007SC Installation of Teledyne Continental TSIO-520-VB engines in place of existing Teledyne Continental TSIO-520-EB engines. Reissued 9/15/2008
SA09060SC Install Teledyne Continental GTSIO-520-D engine. Issued 7/10/1995
SA09062SC Installation of Teledyne Continental GTSIO-520-H engine modified under STC SE09059SC. Issued 7/10/1995
SA09105SC-D Modification IAW RAM Drawing No. 1765 Rev B and the installation of a Teledyne Continental engine TCM TSIO-520-NB modified IAW RAM STC SE09104SC. Reissued 9/25/2008
SA09127SC Installation of RAM Supplemental oil filter. Reissued 10/8/2001
SA09216SC Installation of inconel exhaust system parts coated per RAM Spec 1785. Aircraft must be modified with STC SA09105SC (Ram series VII). Reissued 10/8/2001
SA09287SC Installation of wastegate oil supply strainer and bypass valve Configurations 1889-1 2 or 3. Configuration 1889-1 requires supplemental oil filter to be installed with STC SA09127SC 1889-3 requires filter to be installed using STC SA09127SC and engine must be modified using STC SE09281SC. Reissued 10/8/2001
SA09307AC-D Installation of S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems Model ST-743-20/30. Issued 11/14/1997
SA09337AC-D Installation of S-TEC System 30 ALT Altitude Hold System Model ST-744. Issued 1/30/1998
SA09355SC Modify IAW RAM Master Dwg 1914 to reduce airframe aerodynamic drag. Reissued 10/8/2001
SA09401AC-D Installation of S-TEC System 55 Two Axis Automatic Flight Guidance System Model ST-853 with Optional Autotrim System. Amended 3/14/2001
SA09469SC-D Modification of aircraft Reissued 9/11/2008
SA09472SC Conversion of existing Cessna air conditioning system from R12 to R134a refrigerant. Amended 2/14/2000
SA09517SC Installation of a children s critical care childs stretcher assembly p/n 100-1. Issued 10/29/1998
SA09544SC Installation of a wastegate in-line oil strainer. Required placard P/N 1737-9 located on screen housing P/N 9052V states: RAM RECOMMENDS WASTEGATE IN-LINE OIL STRAINER SHOULD BE REPLACED AT EVERY OIL FILTER CHANGE. FAILURE TO DO SO MAY RESULT IN REDUCTION OF TURBO BOOST. USE REPLACEMENT STRAINER AND O-RING KIT P/N EK9052V. Reissued 10/8/2001
SA09635AC Installation of S-TEC Meggitt Engine Instrument Display System (EIDS) in accordance with Master Data List 921230 Revision 7 dated September 17 2004 or later FAA approved revision for Cessna 425. FAA approved Airplane Flight Manual Supplement No. 892137 dated September 20 2004 or later FAA approved revision is required for Cessna 425 with S-TEC Meggitt EIDS. Issued 9/20/2004
SA09636AC Installation of S-TEC 01304 Digital Flight Control System (DFCS) Three Axis Automatic Flight Guidance System Part No. 01304-04-01-007 in accordance with Master Data List 921231 Revision 5 dated 9-14-2004 or later FAA approved revision for Cessna 425. FAA approved Airplane Flight Manual Supplement No. 892135 dated 9-20-2004 or later FAA approved revision is required for Cessna 425 with S-TEC 01304 DFCS. Issued 9/20/2004
SA09637AC Installation of single S-TEC Meggitt Electronic Flight Instrument System (EFIS) in accordance with Master Data List 921229-02 Revision 5 or dual S-TEC Meggitt EFIS in accordance with Master Data List 921229-03 Revision 6 both dated 9-15-2004 or later FAA approved revision for Cessna 425. FAA approved Airplane Flight Manual Supplement No. 892136 dated 9-20-2004 or later FAA approved revision is required for Cessna 425 with single or dual S-TEC Meggitt EFIS. Issued 9/20/2004
SA09655SC Installation of RAM Induction Equalized Fuel Nozzle Set. Amended 9/20/2002
SA09774AC Replacement of certain Goodrich pneumatic deicer boots Issued 11/9/2012
SA09971SC-D Installation of Hartzell model PHC-C3YF-2UF/FC7693DF or PHC-C3YF-2UF/FC7693DFB propellers Reissued 9/11/2008
SA1001CE Installation of H-14 autopilot. Issued 4/1/1974
SA1007NW Installation of a low thrust detector system. Reissued 3/6/1998
SA10185SC Installation of Hartzell model HC-C3YN-2UF/FC9587D-7 or HC-C3YN-2UF/FC9587DB-7 propellers. Reissued 8/27/2003
SA10236SC (2 OF 4) Installation of a GDC 31 Roll Steering Converter  Amended 3/22/2011
SA102RM Installation of exhaust turbo connector P/N 042177-5. Issued 5/19/1977
SA1034CE Installation of 50-gallon fuel tank in nose baggage compartment. Limited to installation on model 421B serial number 421B0602 ONLY. Reissued 6/23/2006
SA1035CE Install openable window aft of cabin door. Reissued 6/23/2006
SA10361SC  Installation of Hartzell Model PHC-C3YD-2UF/FC9587DB-7 or Model PHC-C3YD-2UF/FC9587D-7 propellers Issued 10/6/2005
SA103RM Installation of exhaust turbo connector P/N 30477-3 Amended 11/28/1990
SA1040CE Installation of AP-107 autopilot. Amended 10/2/1975
SA1048GL Install Egan Aviation air ambulance stretcher P/N 125 using Installation Kit P/N 801. Reissued 5/1/1997
SA1061CE Installation of Collins Company AP-107 (3 axis) autopilot system. Issued 1/1/1975
SA107GL Conversion of oil lubricated de-ice pumps and related hardware to Airborne dry air pump 400 series conversion kits. Issued 1/23/1976
SA10801SC-D Install wheel hub caps Issued 8/26/2013
SA10816SC Electronic torque indication system upgrade in accordance with Installation Drawing No. 200707-05 Revision IR dated July 24 2007 or later FAA approved revision. Required instructions for continued airworthiness are contained in document No. 200707-30 Revision IR dated January 22 2008 or later FAA approved revision. FAA approved Airplane Flight Manual Supplement 200707 Revision IR dated February 28 2008 or later FAA approved revision is required. Issued 2/28/2008
SA108RM Modify exhaust stacks by replacing existing bellows or seal type joints with a clampless sealess type slip joint. Issued 12/14/1977
SA109RM Modify exhaust stacks by replacing existing bellows or seal type joints with a clampless sealess type slip joint. Issued 12/14/1977
SA1110CE-D Installation of Collins AP-106 autopilot. Amended 6/1/1974
SA1111CE-D Installation of AP-107 autopilot(2 axis). Amended 6/1/1974
SA1120CE Installation of Collins Radio Group AP-106 autopilot system. Issued 7/1/1976
SA1120WE Bendix automatic flight control system type M4B and M4C. Issued 1/1/1960
SA1121CE Installation of Collins Radio Group AP-107 (2 axis) autopilot system. Issued 7/1/1976
SA1122CE Installation of Collins AP-107(3 axis) autopilot system. Issued 7/1/1976
SA1131SW Installation of side facing seats. Amended 6/15/2004
SA1146SO Installation of nose cone erosion cap. Reissued 5/29/2013
SA1158SW Mitchell automatic flight system FD/AP282-302 consisting of flight director/autopilot and auto- matic pitch trim. Reissued 7/9/1984
SA1163GL Installation of a Shadin Co. fuel flow indicator. Reissued 6/8/2006
SA1167CE Installation of AP 107 autopilot(2 axis). Serials 301 and subsequent. Issued 3/29/1976
SA1168CE Installation of Collins Radio Group AP-107 3 axis autopilot system and interface with Collins 329A-4V indicator. Serials 301 and subsequent. Issued 10/20/1975
SA117NW Installation of Allison 250-B17 or 250-B17B engines and related changes. Reissued 11/8/2000
SA1191EA Installation of Hanlon & Wilson exhaust system P/N 8294-1(L.H) and 8294-2(R.H.) Issued 4/2/1980
SA1200CE Installation of FiQuench cabin and/or engine fire extinguishant system. Reissued 1/1/1960
SA1206SW Mitchell automatic flight system AK302 consisting of Century III autopilot with optional automatic pitch trim radio and glide slope couplers. Reissued 7/9/1984
SA1209SO Installation of a Fueltron IIIG or Fueltron IIIP digital fuel indicating system. Reissued 4/29/1991
SA1210CE Installation of Hanlon & Wilson exhaust systems P/N 8108-59 and P/N 8109-59 or P/N8108-159 and 8109-159. Amended 3/19/1980
SA1219SW Mitchell automatic flight system AK308 consisting of Century III autopilot with automatic pitch trim radio coupler. Reissued 7/9/1984
SA1220SW Mitchell automatic flight system Model FD/AP282-308 consisting of flight director/autopilot auto- pilot pitch trim or installation of automatic flight system model AK406 consisting of Century IV autopilot with trim or AK406/FD consisting of autopilot/ FD with trim. Reissued 7/9/1984
SA1227WE Installation of Brittain Model B-4 flight control system including PC-1 pitch assist AH-1 altitude hold NAV-1 navigation coupler. Issued 1/1/1960
SA1246CE Install King KFC-200 2 axis (3 optional) flight control system with a KI-255(or -256) flight command indicator or a KG-258 Attitude Horizon Gyro with a KC-292 Mode Controller. Reissued 2/28/2000
SA1257NW Installation of Continental TSIO-520-N engine McCauley 3AF32C93/82NC-6 propellers and associated systems Reissued 7/22/1988
SA1261CE-D Installation of Collins AP-106 autopilot system. Issued 11/1/1980
SA1262CE-D Installation of Collins AP-1072-axis autopilot system. Issued 11/1/1980
SA1263CE-D Installation of Collins AP-1073-axis autopilot system. Issued 11/1/1980
SA128GL Replace existing asbestos or bellows exhaust seal with slip joint. Reissued 10/9/1987
SA1303CE Installation of Enk Aviation fire protection system. Amended 12/5/1979
SA1305CE Installation of fire suppression system. Amended 6/24/1980
SA1326CE Installation of Avcon Industries standard stretchers P/N 4001--201 or 4001-202 and P/N 4001-301 or 4001-302 back adjustable stretcher. Reissued 8/21/1990
SA1343CE Install Sierra data console on left hand seat rails. Reissued 9/15/1977
SA1358CE Chrome-plated brake disc installation. Issued 1/16/1978
SA135GL Install a J.E.T. DAC-2000 3-D RNAV system. Issued 10/26/1976
SA1361SO Replaces original reciprocating engines with Pratt & Whitney of Canada PT6A-135 or PT6A-112 turbopropeller engines and related changes. Reissued 7/19/2012
SA1375CE Reduce height of existing survival seat. Reissued 10/3/1977
SA1393CE Install forward baggage door warning system. Issued 1/3/1978
SA1400CE Install Enk Aviation fire suppression system. Amended 7/30/1981
SA1401GL Install air ambulance conversion. Reissued 12/21/2001
SA1418SO Replacement of rotor vanes in Airborne 211CC and 212CW vacuum pumps. (See limitations) Reissued 6/12/1984
SA1431CE Install King KFC-200 flight control system with or without flight director. Reissued 2/28/2000
SA1467WE Installation of Brittain Model B-4A flight control system. Reissued 7/2/2013
SA1472WE Installation of Brittain Industries Model B-4A Flight Control System Reissued 7/2/2013
SA1491GL Installation of McCauley propeller model 4HFR34C762/94LMA-4. Reissued 1/30/2006
SA1494SW Installation of Mitchell flight director remote annunciator Model AK375. Amended 7/10/1984
SA14GL Installation of detachable lead strap propeller deicers. Reissued 3/1/1996
SA1501CE Sierra utility flight inspection equipment rack installed in left hand side forward location. Issued 7/11/1979
SA1502CE Install King KFC200 automatic flight control system with or without flight director. Reissued 2/28/2000
SA1512WE (1 OF 2) Installation of exhaust gas temperature monitoring systems Model EGT-1. Amended 2/22/2007
SA1512WE (2 OF 2) Installation of exhaust gas temperature monitoring systems Model EGT-1. Amended 2/22/2007 0:00
SA1515NM Crossover exhaust pipe assembly. Amended 11/4/1982
SA1521CE-D Installation of King KFC 250 flight control system (3 axis) using 3-inch or 4-inch indicators. Reissued 2/28/2000
SA1525NM Removal of passenger door. Issued 11/3/1982
SA1526CE-D Installation of King KAS 297 Altitude Selector Option in airplanes equipped with KFC 200 Flight Control System with Flight Detector under STC SA1502CE (402C) SA1431CE (414A) or SA1246CE (421C). Reissued 2/28/2000
SA1535GL Install air ambulance conversion. Reissued 10/23/2008
SA1570GL Installation of on-board engine analyzer system. Issued 3/8/1991
SA157NE Installation of Graphic Engine Monitor System Model GEM-602 S/N 403 and GEM-603 S/N001126and subsequent. Amended 10/18/1996
SA1599WE Installation of Brittain Industries Model B-5 Flight Control System Reissued 6/21/2013
SA1601SO Installation of Bendix FCS-810 automatic flight control system including flight director indicator(FC-813B) and manual electric trim. (421B WITH RILEY MOD STC SA4293WE) Issued 5/1/1984
SA1605CE Installation of fire extinguisher system with only TFB12-0019-2 control panel assembly. Reissued 2/1/1993
SA1605SO Removal of cowl flaps and associated components. Reissued 2/13/1995
SA1615GL Installation of the Ryan Intn l traffic collision alert device (TCAD) P/N 70-1000. Amended 1/10/1995
SA1626NM Page 1 Installation of Electronics Int l Digital EGT/CHT Instruments and accessories. (201 Series) Amended 3/9/1993
SA1629SO Installation of a throttle control spring. Issued 6/20/1984
SA1642WE Modification of exhaust system components. Amended 12/7/1973
SA1663NM Addition of fowler wing flaps elevator trim spring with cockpit tension select lever fuselage strakes and nacelle strakes. Reissued 7/21/2005
SA1667SW Mitchell automatic flight system Model YK385 consisting of yaw damper. Reissued 7/16/1984
SA1668SW Mitchell automatic flight system AK407 consisting of Century IV autopilot with trim or AK407/FD consisting of Century IV autopilot/ flight director with trim. Reissued 7/16/1984
SA1675WE Installation of exhaust gas temperature monitoring systems EGT-2. Amended 8/28/1974
SA167GL Install Cleveland conversion kit P/N 199-72. Amended 4/1/1981
SA169RM Installation of exhaust stacks. Amended 2/4/1985
SA1742SW Installation of vapor cycle air conditioning system. Reissued 9/4/1992
SA1755SO Installation of Allied/Bendix microwave landing system MLS-20A. Amended 7/7/1987
SA1763GL Installation of the Ryan Itn l traffic collision alert device (TCAD) 9900 series P/N 71-2100 71-2200 71-2400. Amended 9/19/2001
SA1776WE Installation of Brittain Industries Model B-5 Flight Control System  Reissued 6/21/2013
SA1806NM Installation of Hoskins CFS-2002 computerized fuel flow indicating system. Reissued 1/30/1998
SA1807NM Installation of two 68.5 U. S. Gallon usable fuel nacelle tanks and fuel system Reissued 2/13/2013
SA1814CE Installation of fire extinguishing system. Reissued 2/1/1993
SA1835NM Installation of Universal Navigation Corp. UNS-1 Flight Management System. Issued 2/15/1983
SA1847WE Installation of Brittain Up-Command Signal Adapter Kit. Reissued 10/20/1972
SA1863SW Installation of single and dual aerial survey cameras and navigation sights Reissued 12/16/2013
SA1867CE DC powered windshield installation. (421C EXCEPT 421C0801 THRU 421C1400) Issued 4/8/1983
SA1897WE Installation of a seventh seat in aft baggage compartment. Amended 12/28/1990
SA1899SW Installation of freon air conditioning system Reissued 11/5/2012
SA18NW Installation of Fowler flaps flap actuated drooped ailerons flap actuated elevator trim and anti- servo rudder trim tab. Reissued 9/8/2005
SA194RM New slip joint exhaust manifold. Issued 12/20/1979
SA196RM New slip joint exhaust manifold. Issued 12/20/1979
SA197GL Install Cleveland conversion kit P/N 199-76. Amended 1/26/1983
SA1BO Installation of Safeway Model7009-1 deicer kit. Reissued 5/9/2003
SA2001SO Installation of crew door on fuselage left side. Issued 10/3/1986
SA2063SO Installation of stretcher system. Issued 2/20/1987
SA2091CE Installation of flight inspection console on seat track structural provisions only. Issued 3/22/1985
SA2091WE Installation of air conditioning system Reissued 5/17/2013
SA20GL Installation of Woodward Type II electronic propeller synchronizer or synchrophaser system. (G-44A MODIFIED COLEMILL - STC 2-13) (500-A modified - Colemill STC SA340SO) Reissued 4/30/2007
SA2105WE Installation of Model EGT-3 exhaust gas temperature monitor(with rising temperature alarm). (DC-6B (NAVY R6D-1Z) 680) Issued 2/9/1970
SA2190NM Page 1 Installation of electronics International Digital Volt/Amp Gauges and Accessories. Issued 2/16/1984
SA2202NM Installation of Litton LTN-3000 navigation system. Reissued 3/20/1984
SA2245SO Replace the existing nickel-cadmium battery with Teledyne Gill G-6381E series lead-acid battery. Reissued 4/29/1996
SA2275CE Install cargo restraint and cargo provisions. Issued 9/9/1987
SA2302CE Installation of Bendix MLS-21 microwave landing system receiver. Issued 11/4/1987
SA2333SW Fiberglass tailcone for magnetometer. Issued 7/23/1976
SA2350NM Page 1 Installation of Electronics International Inc digital carburetor/outside air temperature gauges Amended 6/6/1990
SA2354SW Installation of Teledyne Continental TSIO-520-N or -NB engines. Reissued 10/8/2001
SA2354SW-D Installation of Teledyne Continental TSIO-520-N: or -NB Engine. Reissued 2/20/2008
SA2378WE Installation of Global Navigation Model GNS-200 VLF navigation system. Amended 2/26/1974
SA2404WE Consolidation of STC Reissued 9/30/2011
SA240WE Consolidation of STCs SA355CE and SA362CE into one STC having MASTER ELIGIBILITY LIST - amended to include improved power supply assembly and subchassis timer assembly for Twilighter MK III high intensity supplementary lighting system. Issued 8/16/1971
SA2424WE Installation of Allison 250-B17 engines and related changes. Amended 9/21/1973
SA2435CE Replace the nickel-cadmium battery with Concorde RG-380E lead acid battery. Issued 11/10/1988
SA2436CE Modify the battery box and replace the nickel-cadmium battery with a Concorde CB-24-380E lead acid battery. Issued 11/10/1988
SA2440SW Installation of airstair door saver. Reissued 3/5/2012
SA250CE Installation of Woodward electronic propeller synchraphaser system. Reissued 4/30/2007
SA2514CE Installation of wing nacelle locker tanks and fuel transfer system. Reissued 10/15/1997
SA2549NM Installation of Howell Electric engine torque indicators. Issued 12/21/1984
SA2557NM (1 OF 2) Installation of KS Avionics EGT/CHT-2( ) combined exhaust gas and cylinder head temperature monitoring system. Amended 2/22/2007
SA2586NM (PAGE 2) Installation of J.P. Instruments temperature monitoring systems. Amended 7/20/2008 0:00
SA2634NM Installation of a magnetometer antenna (tail stinger). Reissued 7/22/1988
SA2650NM Cockpit Sun Visor Installation. Amended 6/4/2004
SA2656SW Addition of Hydro Seal Fluid Additive to nose and main gear shock struts. Reissued 8/8/1980
SA2680SW Installation of turbocharged Lycoming IO-720-B1BD engines Hartzell HC-F4YR-2RUF/FC7663DB-4R propellers and increase of maximum takeoff and landing weight to 6825 lbs. Reissued 6/5/1996
SA2687NM (PAGE 1) Installation of Truboplus/ Electronics Int l gauges and switches. Amended 10/25/2000
SA2693NM (PAGE 1) Installation of Electronics International digital volt/amp gauges and accessories. Amended 12/10/2009
SA2715CE Installation of single place composite commuter seats on the seat rails per Aviation Fabricators Drawing list No. AF-130 stamped FAA Approved May 2 1991 or later FAA approved revision. Amended 10/22/2003
SA2716CE Installation of double composite commuter seats on the seat rails per Aviation Fabricators Drawing List No. AF-130 stamped FAA Approved May 2 1991 or later FAA approved revision. Amended 10/22/2003
SA2721NM Installation of a turbocharger bypass exhaust elbow. Issued 11/1/1985
SA2749WE Installation of Lear AFC-70 AP/FD steering computer system. Issued 8/23/1973
SA2758NM Installation of medical oxygen and suction system. Issued 9/19/1986
SA2780SW Installation of Hoskins Model CFS-2000 -20001 or FT-2000 fuel flow indicating system. Reissued 1/30/1998
SA2810WE Installation of Collins AP-105 autopilot and FD-108 flight director systems. Issued 1/30/1974
SA2812SW Installation of Hoskins Model CFS-2000 -2001 or FT-200 fuel flow indicating system. Reissued 1/30/1998
SA2844CE (1 OF 2) Installation of a plastic cap enclosure over the anti-collision strobe light system. Issued 7/29/1992
AirFrame
Fusulage Construction
Airframe Material
Number of Doors
Wing
Wing Location
Wing Construction
Wing Rib Material
Wing Skin Material
--Aileron
Aileron Type
Aileron Trim
Aileron Control System
--Flap
Flap Type
Wing Flap Actuation
Empennage
Empennage Type
Empennage Rib Material
Empennage Skin Material
Rudder Trim
Yaw Trim Actuator
Yaw Control System
Pitch Trim
Pitch Control System
Pitch Trim Actuator
Landing Gear
Landing Gear Type
Retractable
Retraction System
Emergency Extension
Ground Steering
Shock Absorbtion Main Gear
Shock Absorbtion Other Gear
Brake Type
Brake Controls
Cabin
Instrument Panel
Flight Control
Number of Seats
Heating
Window Defrost
Cooling
Profiles
Normal Climb Profile Speed (KIAS)
Maximum Climb Profile Speed (KIAS)
Engine
Number of Engines
Engine Manufacturer
Engine Model
Engine Type
Geared
Cooled
Fuel/Air Mechanism
Number of Cylinders
Max HP
Starter System
Propeller
Propeller Manufacturer
Propeller Model
Number of Blades
Minimum Diameter
Maximum Diameter
Propeller Type
Propeller Governor
Fuel System
Fuel System Type
Approved Fuel Type 1
Approved Fuel Type 2
Approved Fuel Type 3
Fuel Capacity (G)
Tank Type 1 Location
Tank Type 1 Capacity (G)
Tank Type 2 Location
Tank Type 2 Capacity (G)
Usable Fuel (G)
Oil Capacity (Quarts)
Electrical System
Power Source
Power Storage
System Voltage
Alternator Amp
Battery Voltage
Battery Amp/Hour
Limitations
Maximum T/O Weight (lbs)
Maximum LDG Weight (lbs)
Standard Empty Weight (lbs)
Useful Load (lbs) 0
Station 1 Baggage Location
Max Weight Station 1 (lbs)
Station 2 Baggage Location
Max Weight Station 2(lbs)
Station 3 Baggage Location
Max Weight Station 3(lbs)
Wing Loading (lbs/sq.ft)
Vne (KCAS)
Vno (KCAS)
Va(Max Gross) (KCAS)