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Type Record · As of May 3, 2026

CESSNA 421B

Fixed Wing Multi Engine · CONT MOTOR GTSIO-520-C

Registered

224

Year Range

1970–1993

NTSB Events

30

Airworthiness Directives

49

Aircraft Resources

Manufacturer · Textron Aviation (Cessna) → Service Bulletins → Engine · Continental Aerospace Technologies → TCDS A7CE → Type Club · Cessna Pilots Association → Owner Forum · Cessna 172 Pilots Association →

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered CESSNA 421B aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • FL 13.1% 29
  • TX 12.2% 27
  • CA 8.6% 19
  • DE 6.3% 14
  • CO 5.4% 12
  • GA 3.6% 8
  • OK 3.6% 8
  • IL 3.2% 7
  • UT 3.2% 7
  • AZ 2.7% 6

+33 more states

By Decade of Manufacture

  • 1970s 77.7% 174
  • 1990s 0.4% 1
  • Unknown 21.9% 49

02 /  NTSB Records

Events involving CESSNA 421B aircraft

30 event(s) on file. Showing the most recent 25 · 5 more available on NTSB CAROL.

03 /  Airworthiness Directives

FAA directives applicable to CESSNA 421B

49 directive(s) on file. Showing the most recent 25 · 24 more in the Federal Register.

  • Jun 12, 2023

    Airworthiness Directives; Various Airplanes, Helicopters, and Engines

    The FAA is adopting a new airworthiness directive (AD) for turbocharged, reciprocating engine-powered airplanes and helicopters and turbocharged, reciprocating engines with a certain v-band coupling installed. This AD was prompted by multiple failures of spot-welded, multi-segment v-band couplings at the tailpipe to t…

    Atlas AD → Federal Register ↗

  • Jul 27, 2022

    Airworthiness Directives; Various Airplanes, Helicopters, and Engines

    The FAA proposes to adopt a new airworthiness directive (AD) for turbocharged, reciprocating engine-powered airplanes and helicopters and turbocharged, reciprocating engines with a certain v- band coupling installed. This proposed AD was prompted by multiple failures of spot-welded, multi-segment v-band couplings at t…

    Atlas AD → Federal Register ↗

  • May 8, 2018

    Airworthiness Directives; Textron Aviation Inc. Airplanes

    We are revising Airworthiness Directive (AD) 2018-03-03 for certain Textron Aviation Inc. Models 401, 401A, 401B, 402, 402A, 402B, 402C, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, and 425 airplanes. AD 2018-03-03 required repetitively inspecting the left and the right forward lower carry through spar cap for cracks…

    Atlas AD → Federal Register ↗

  • Feb 13, 2018

    Airworthiness Directives; Textron Aviation Inc. Airplanes

    We are adopting a new airworthiness directive (AD) for certain Textron Aviation Inc. Models 401, 401A, 401B, 402, 402A, 402B, 402C, 411, 411A, 414, 414A 421, 421A, 421B, 421C, and 425 airplanes. This AD requires repetitively inspecting the left and the right forward lower carry through spar cap for cracks and replacin…

    Atlas AD → Federal Register ↗

  • Oct 12, 2005

    Airworthiness Directives; The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 Airplanes

    The FAA adopts a new airworthiness directive (AD) for certain The Cessna Aircraft Company (Cessna) Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 airplanes equipped with certain avionics bus circuit breaker switches. This AD requires you to inspect the avi…

    Atlas AD → Federal Register ↗

  • Sep 9, 2005

    Airworthiness Directives; Goodrich De-icing and Specialty Systems “FASTprop” Propeller De-icers

    The FAA is adopting a new airworthiness directive (AD) for Goodrich De-icing and Specialty Systems "FASTprop" propeller de- icers, part numbers P4E1188 series, P4E1601 series, P4E2200 series, P4E2271-10, P4E2575-7, P4E2575-10, P4E2598-10, P5855BSW, P6199SW, P6592SW, P6662SW, and P6975-11, installed. This AD requires i…

    Atlas AD → Federal Register ↗

  • Jul 14, 2005

    Airworthiness Directives; Hartzell Propeller Inc. Models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC-B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC-B5MP-3 Propellers

    The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. models HC-B3TN-2, HC-B3TN-3, HC-B3TN-5, HC- B3MN-3, HC-B4TN-3, HC-B4TN-5, HC-B4MN-5, HC-B4MP-3, HC-B4MP-5, and HC- B5MP-3 propellers, installed with propeller mounting bolts, part number (P/N) B-3339. This AD requires initial and repeti…

    Atlas AD → Federal Register ↗

  • Jun 9, 2005

    Airworthiness Directives; The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 Airplanes

    The FAA proposes to adopt a new airworthiness directive (AD) for certain The Cessna Aircraft Company (Cessna) Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 airplanes equipped with certain avionics bus circuit breaker switches. This proposed AD would requi…

    Atlas AD → Federal Register ↗

  • May 6, 2005

    Airworthiness Directives; Kelly Aerospace Power Systems Part Number (P/N) 14D11, A14D11, B14D11, C14D11, 23D04, A23D04, B23D04, C23D04, or P23D04 Fuel Regulator Shutoff Valves (Formerly Owned by ElectroSystems, JanAero Devices, Janitrol, C&D Airmotive Products, FL Aerospace, and Midland-Ross Corporation)

    The FAA is revising Airworthiness Directive (AD) 2004-25-16, which applies to aircraft equipped with a fuel regulator shutoff valve part number (P/N) 14D11, A14D11, B14D11, C14D11, 23D04, A23D04, B23D04, C23D04, or P23D04 used with B1500, B2030, B2500, B3040, B3500, B4050, or B4500 B-Series combustion heaters. AD 2004…

    Atlas AD → Federal Register ↗

  • Apr 6, 2005

    Airworthiness Directives; Goodrich De-icing and Specialty Systems “FASTprop” Propeller De-icers

    The FAA proposes to adopt a new airworthiness directive (AD) for Goodrich De-icing and Specialty Systems "FASTprop" propeller de- icers, part numbers P4E1188 series, P4E1601 series, P4E2200 series, P4E2271-10, P4E2575-7, P4E2575-10, P4E2598-10, P5855BSW, P6199SW, P6592SW, P6662SW, and P6975-11, installed. This propose…

    Atlas AD → Federal Register ↗

  • Mar 9, 2005

    Airworthiness Directives; Kelly Aerospace Power Systems Part Number (P/N) 14D11, A14D11, B14D11, C14D11, 23D04, A23D04, B23D04, C23D04, or P23D04 Fuel Regulator Shutoff Valves (formerly owned by ElectroSystems, JanAero Devices, Janitrol, C&D Airmotive Products, FL Aerospace, and Midland-Ross Corporation)

    The FAA proposes to revise Airworthiness Directive (AD) 2004- 25-16, which applies to aircraft equipped with a fuel regulator shutoff valve part number (P/N) 14D11, A14D11, B14D11, C14D11, 23D04, A23D04, B23D04, C23D04, or P23D04 used with B1500, B2030, B2500, B3040, B3500, B4050, or B4500 B-Series combustion heaters.…

    Atlas AD → Federal Register ↗

  • Jan 19, 2005

    Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders

    The FAA is adopting a new airworthiness directive (AD) to supersede Airworthiness Directive 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD a…

    Atlas AD → Federal Register ↗

  • Dec 16, 2004

    Airworthiness Directives; Kelly Aerospace Power Systems Part Number (P/N) 14D11, A14D11, B14D11, C14D11, 23D04, A23D04, B23D04, C23D04, or P23D04 Fuel Regulator Shutoff Valves (Formerly Owned by ElectroSystems, JanAero Devices, Janitrol, C&D, FL Aerospace, and Midland-Ross Corporation)

    The FAA is adopting a new airworthiness directive (AD) to supersede AD 2001-17-13, which applies to aircraft equipped with a Kelly Aerospace Power Systems (Kelly Aerospace) part number (P/N) 14D11, A14D11, B14D11, C14D11, 23D04, A23D04, B23D04, C23D04, or P23D04 fuel regulator shutoff valve used with Kelly Aerospace B…

    Atlas AD → Federal Register ↗

  • Oct 22, 2004

    Airworthiness Directives; Kelly Aerospace Power Systems B-Series Combustion Heaters Models B1500, B2030, B2500, B3040, B3500, B4050, and B4500 (Formerly Owned by JanAero Devices, Janitrol, C&D, FL Aerospace, and Midland-Ross Corporation)

    The FAA is superseding Airworthiness Directive (AD) 96-20-07, which applies to certain B-Series Combustion Heaters Models B1500, B2030, B3040, and B4050 that are installed on airplanes. AD 96-20-07 currently requires you to repetitively test (pressure decay) the combustion tube and overhaul any heater that does not pa…

    Atlas AD → Federal Register ↗

  • Oct 7, 2004

    Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders

    The FAA proposes to supersede Airworthiness Directive (AD) 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This proposed AD applies to certain GTX 33…

    Atlas AD → Federal Register ↗

  • May 21, 2004

    Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders

    The FAA adopts a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders that are installed on aircraft. This AD requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD is the result of observations that the GTX 330 and GTX 330D may…

    Atlas AD → Federal Register ↗

  • Apr 20, 2004

    Airworthiness Directives; Engine Components Incorporated (ECi) Reciprocating Engine Cylinders

    The FAA is adopting a new airworthiness directive (AD) for Teledyne Continental Motors (TCM) models 520 and 550 series engines with certain ECi cylinders installed. This AD requires replacing certain serial-numbered (SN) cylinders supplied by ECi before further flight. This AD results from reports of 34 failures of cy…

    Atlas AD → Federal Register ↗

  • Dec 30, 2003

    Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders

    The FAA proposes to adopt a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders. This proposed AD would require you to install GTX 330/ 330D Software Upgrade Version 3.03. This proposed AD is the result of observations that the GTX 330 and GTX 330D may detect, fr…

    Atlas AD → Federal Register ↗

  • Dec 3, 2001

    Airworthiness Directives; GARMIN International GNS 430 Units

    This amendment adopts a new airworthiness directive (AD) that applies to certain GARMIN International (GARMIN) GNS 430 units that are installed on aircraft. This AD requires you to modify the unit to incorporate circuitry changes to the GNS 430 unit's deviation and flag outputs. This AD is the result of reports of ina…

    Atlas AD → Federal Register ↗

  • Aug 22, 2001

    Airworthiness Directives; JanAero Devices Part Number (P/N) 14D11, A14D11, B14D11, C14D11, 23D04, A23D04, B23D04, and C23D04 Fuel Regulator Shutoff Valves

    This amendment supersedes Airworthiness Directive (AD) 2001- 08-01, which applies to certain JanAero Devices (JanAero) 14D11 and 23D04 series fuel regulator shutoff valves used with certain JanAero combustion heaters that are installed on aircraft. AD 2001-08-01 currently requires you to visually inspect and pressure…

    Atlas AD → Federal Register ↗

  • Aug 6, 2001

    Airworthiness Directives; GARMIN International GNS 430 Units

    This document proposes to adopt a new airworthiness directive (AD) that would apply to certain GARMIN International (GARMIN) GNS 430 units that are installed on aircraft. The proposed AD would require you to modify the unit to incorporate circuitry changes to the GNS 430 unit's deviation and flag outputs. The proposed…

    Atlas AD → Federal Register ↗

  • Apr 17, 2001

    Airworthiness Directives; JanAero Devices 14D11 and 23D04 Series Fuel Regulator and Shutoff Valves

    This amendment adopts a new airworthiness directive (AD) that applies to certain JanAero Devices (JanAero) fuel regulator and shutoff valves used with JanAero combustion heaters that are installed on airplanes. This AD requires you to visually inspect and pressure test for leaks, and, if leaks are found, replace the f…

    Atlas AD → Federal Register ↗

  • Jan 19, 2000

    Airworthiness Directives; Cessna Aircraft Company 300 and 400 Series Airplanes

    This amendment supersedes Airworthiness Directive (AD) 75-23- 08 R5, which currently requires repetitively inspecting and replacing or repairing the exhaust system on certain Cessna Aircraft Company (Cessna) 300 and 400 series airplanes. The requirements of this AD replace the inspections and replacements that are req…

    Atlas AD → Federal Register ↗

  • Jul 6, 1999

    Airworthiness Directives; Cessna Aircraft Company 300 and 400 Series Airplanes

    This document proposes to supersede Airworthiness Directive (AD) 75-23-08 R5, which currently requires repetitively inspecting and replacing or repairing the exhaust system on certain Cessna Aircraft Company (Cessna) 300 and 400 series airplanes. The proposed AD would replace the inspections and replacements that are…

    Atlas AD → Federal Register ↗

  • Nov 17, 1998

    Airworthiness Directives; Parker Hannifan Airborne Dry Air Pumps, Conversion Kits, and Coupling Kits

    This document publishes in the Federal Register an amendment adopting Airworthiness Directive (AD) 98-23-01, which was sent previously to all known U.S. owners and operators of aircraft and engines equipped with certain Parker Hannifin Airborne dry air pumps, conversion kits, and coupling kits, utilizing part number (…

    Atlas AD → Federal Register ↗

04 /  Type Certificate Data Sheets

FAA TCDS for CESSNA 421B

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.

  • A7CE Historical Rev 46 · 11/24/2004

    Cessna Aircraft Company

    Models: 421C, 425, 402C, 402B + 12 more

    Atlas TCDS → DRS ↗

06 /  Supplemental Type Certificates

Modifications approved for CESSNA 421B

474 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

  • 04/01/2025

    STC SA02738CH (PAGE 5)

    Installation of L-3 Communications Avionics Systems

    Acron Aviation Inc.

    Atlas STC → DRS ↗

  • 04/01/2025

    STC SA04046CH Page 1

    Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500)

    Acron Aviation Inc.

    Atlas STC → DRS ↗

  • 08/27/2024

    STC SA04837NY

    Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights

    AeroLED's Holdings, LLC

    Atlas STC → DRS ↗

  • 08/27/2024

    STC SA02386AK

    Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems

    AeroLED's Holding LLC

    Atlas STC → DRS ↗

  • 11/16/2023

    STC SA02532AT

    Installation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft.

    Michelin North America Inc.

    Atlas STC → DRS ↗

  • 04/05/2023

    STC SA00756DE

    Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT22 Transponder and an approved Global Positioning System (GPS) Position Se…

    Peregrine

    Atlas STC → DRS ↗

  • 12/12/2022

    STC SA02738CH (PAGE 5)

    Installation of L-3 Communications Avionics Systems

    L3Harris Aviation Products Inc.

    Atlas STC → DRS ↗

  • 12/12/2022

    STC SA04046CH Page 1

    Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500)

    L3Harris Aviation Products Inc.

    Atlas STC → DRS ↗

  • 07/06/2022

    STC SA02203AK (PAGE 2)

    Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV).

    Genesys Aerosystems Inc.

    Atlas STC → DRS ↗

  • 06/16/2022

    STC SA02254AK

    Installation of "Single Screen", "2 or 3 Screen", "Dual Screen", or "4 or 6 screen"

    Genesys Aerosystems Inc.

    Atlas STC → DRS ↗

  • 06/06/2022

    STC SA02203AK (PAGE 2)

    Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV).

    Genesys Aerosystems Inc.

    Atlas STC → DRS ↗

  • 03/30/2022

    STC SA02444AK (PAGE 1)

    Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed

    ADS-B Technologies LLC

    Atlas STC → DRS ↗

  • 02/02/2022

    STC SA4270SW

    Mount collision avoidance lights in engine nacelle.

    Johnson Aviation Products

    Atlas STC → DRS ↗

  • 09/01/2021

    STC SA11174SC PAGE 1

    Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems

    Honeywell International Inc (Bendix King)

    Atlas STC → DRS ↗

  • 07/21/2021

    STC SA02430SE

    Fabrication and installation of a camera housing

    Airborne Sensor LLC

    Atlas STC → DRS ↗

  • 06/23/2021

    STC SA01316LA

    Installation of Sandel Avionics Terrain Awareness and Warning System.

    Sandel Avionics LLC

    Atlas STC → DRS ↗

  • 03/30/2021

    STC SA02386AK

    Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems

    Aero LEDs LLC

    Atlas STC → DRS ↗

  • 07/17/2020

    STC SA10236SC (2 OF 4)

    Installation of a GDC 31 Roll Steering Converter

    DAC International Inc

    Atlas STC → DRS ↗

  • 06/04/2020

    STC SA02268CH (PAGE 3)

    Installation of Airwolf Filter Corp. Air Oil Separator

    Airwolf Filter Corporation

    Atlas STC → DRS ↗

  • 06/04/2020

    STC SA02268CH (PAGE 2)

    Installation of Airwolf Filter Corp. Air Oil Separator

    Airwolf Filter Corporation

    Atlas STC → DRS ↗

  • 03/07/2020

    STC 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 …

    Airwolf Filter Corporation

    Atlas STC → DRS ↗

  • 07/16/2019

    STC SA01861SE (PAGE 2)

    Fabrication and installation of Landing Light Controller

    Seaton Engineering Corp.

    Atlas STC → DRS ↗

  • 07/16/2019

    STC SA01800SE (PG 2)

    Fabrication and installation of new or replacement of existing instrument panel lights dimmer control.

    Seaton Engineering Corp.

    Atlas STC → DRS ↗

  • 07/02/2019

    STC SA2091WE

    Installation of air conditioning system

    Air Comm Corporation

    Atlas STC → DRS ↗

  • 07/02/2019

    STC SA8RM

    Installation of a vapor cycle air-conditioning system

    Air Comm Corporation

    Atlas STC → DRS ↗

  • 06/19/2019

    STC SA800EA

    Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies

    Whelen Aerospace Technologies

    Atlas STC → DRS ↗

  • 06/19/2019

    STC SA00344BO PAGE 1

    Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.

    Whelen Aerospace Technologies

    Atlas STC → DRS ↗

  • 05/30/2019

    STC SA615EA (PAGE 2)

    Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights.

    Whelen Aerospace Technologies

    Atlas STC → DRS ↗

  • 05/24/2019

    STC SA02019SE-D (1 OF 3)

    Installation of Garmin GTN 6XX/7XX Navigation System

    Garmin International Inc

    Atlas STC → DRS ↗

  • 05/24/2019

    STC SA02019SE-D (1 OF 2)

    Installation of Garmin GTN 6XX/7XX Navigation System

    Garmin International Inc

    Atlas STC → DRS ↗

+ 444 more STCs on file

07 /  PMA replacement parts

FAA-approved replacement parts for CESSNA 421B

42 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.

  • SMR2074-4-1#https://drs.faa.gov/browse/excelExternalWindow/FD0E53B49FAB687586257D34005550C2.0001##

    Pneumatic De-Icer Boot

    B/E Aerospace Inc, DBA, SMR Technologies Inc replaces 23S-2074-4-1

    PMA holder →

  • SMR2074-4-2#https://drs.faa.gov/browse/excelExternalWindow/51D264FAF1EFDFAE86257D3400555127.0001##

    Pneumatic De-Icer Boot

    B/E Aerospace Inc, DBA, SMR Technologies Inc replaces 23S-2074-4-2

    PMA holder →

  • SMR5070-09#https://drs.faa.gov/browse/excelExternalWindow/44717423175FE6B786257D3400553D82.0001##

    Pneumatic De-Icer Boot

    B/E Aerospace Inc, DBA, SMR Technologies Inc replaces 27S-7D5070-09

    PMA holder →

  • SMR5070-10#https://drs.faa.gov/browse/excelExternalWindow/4D6AE0230AF4AD2986257D3400553DEA.0001##

    Pneumatic De-Icer Boot

    B/E Aerospace Inc, DBA, SMR Technologies Inc replaces 27S-7D5070-10

    PMA holder →

  • 13889#https://drs.faa.gov/browse/excelExternalWindow/099E93E2F33C5D8086257FC5006D9D92.0001##

    CONE

    Timken Corporation replaces 13889

    PMA holder →

  • 13889#https://drs.faa.gov/browse/excelExternalWindow/BB7DC1FE7B966CB486257D2A0057454D.0001##

    CONE

    Timken Corporation replaces 13889

    PMA holder →

  • 6029#https://drs.faa.gov/browse/excelExternalWindow/B3FAA1DDC5B43B9E86257CFB006E9943.0001##

    Stub Wing Access Doubler Assembly

    Spoilers Inc replaces Modification Part

    PMA holder →

  • 6031#https://drs.faa.gov/browse/excelExternalWindow/8527F025677E99F886257CFB006E9945.0001##

    Stub Wing Access Panel

    Spoilers Inc replaces Modification Part

    PMA holder →

  • ASC400NA#https://drs.faa.gov/browse/excelExternalWindow/8EE73F4475270C6B8625774400681244.0001##

    Nose avionics lock

    Aircraft Security & Alert Systems LLC replaces F6500H lock 5213085-1 cam

    PMA holder →

  • ASC400NA#https://drs.faa.gov/browse/excelExternalWindow/F1E995AD47E1631C862577440068126E.0001##

    Nose avionics lock

    Aircraft Security & Alert Systems LLC replaces F6500H lock 5213075-7 cam

    PMA holder →

  • ASC400NB#https://drs.faa.gov/browse/excelExternalWindow/2D86993BD283524D86257744006811EC.0001##

    Nose baggage lock

    Aircraft Security & Alert Systems LLC replaces F6500H lock & 5213085-1 cam

    PMA holder →

  • ASC400CD#https://drs.faa.gov/browse/excelExternalWindow/6C808F44F7A9AB31862577440068116C.0001##

    Cabin Door Lock

    Aircraft Security & Alert Systems LLC replaces F6500H lock 5011185-9 cam

    PMA holder →

  • SMR5070-10#https://drs.faa.gov/browse/excelExternalWindow/93D1D48A7091C06E862571B9004E9B3F.0001##

    Pneumatic De-Icer Boot

    B/E Aerospace Inc, DBA, SMR Technologies Inc replaces Goodrich 27S-7D5070-10

    PMA holder →

  • SMR5070-09#https://drs.faa.gov/browse/excelExternalWindow/6945F472F4317687862573020070A660.0001##

    Pneumatic De-Icer Boot

    B/E Aerospace Inc, DBA, SMR Technologies Inc replaces Modification Part

    PMA holder →

  • SMR5070-10#https://drs.faa.gov/browse/excelExternalWindow/15A642E377661730862573020070A690.0001##

    Pneumatic De-Icer Boot

    B/E Aerospace Inc, DBA, SMR Technologies Inc replaces Modification Part

    PMA holder →

  • SMR5070-09#https://drs.faa.gov/browse/excelExternalWindow/14FB131CE25B3F8C862571B9004E9B14.0001##

    Pneumatic De-Icer Boot

    B/E Aerospace Inc, DBA, SMR Technologies Inc replaces Goodrich 27S-7D5070-09

    PMA holder →

  • 40-011-89#https://drs.faa.gov/browse/excelExternalWindow/9D207FA069E6CF038625746B005FFC59.0001##

    Air Conditioning System Kit

    ACC-KP LLC replaces Modification Part

    PMA holder →

  • 40-011-39#https://drs.faa.gov/browse/excelExternalWindow/4B2CADBDB1DA3E298625746B005FFADA.0001##

    Air Conditioning System Kit

    ACC-KP LLC replaces Modification Part

    PMA holder →

  • YK385#https://drs.faa.gov/browse/excelExternalWindow/5815FECBBF588DE78625751400665CAA.0001##

    Mitchell Kit

    Century Flight Systems Inc replaces -

    PMA holder →

  • AK407 and AK407FD#https://drs.faa.gov/browse/excelExternalWindow/ED197004DB1CB6D68625751400665D0E.0001##

    Mitchell Kits

    Century Flight Systems Inc replaces -

    PMA holder →

  • Dwg 597-0732-007, 992-1194-001#https://drs.faa.gov/browse/excelExternalWindow/20F977CAEC56382B8525704A005B2229.0001##

    AP-106 Autopilot Sys

    Rockwell Collins Inc. replaces Modification Part

    PMA holder →

  • P5114534-6#https://drs.faa.gov/browse/excelExternalWindow/8DCC34CDEE8D7ECD86257AEF005B7185.0001##

    Cover Face, RH

    Premier Aerospace Services & Technology, Inc. replaces 5114534-6

    PMA holder →

  • P5114534-5#https://drs.faa.gov/browse/excelExternalWindow/E4A06F37BDAE039586257AEF005B70C0.0001##

    Cover Face, LH

    Premier Aerospace Services & Technology, Inc. replaces 5114534-5

    PMA holder →

  • ST-237#https://drs.faa.gov/browse/excelExternalWindow/A4A9BAE0FCCBCB2A86257AC20077167A.0001##

    System 60 Two Axis Automatic Flight Guidance System

    S-TEC Corporation replaces Modification Part

    PMA holder →

  • ST-379#https://drs.faa.gov/browse/excelExternalWindow/CEFA35DAD18789758625799F005F0FFD.0001##

    System 65 Two Axis Automatic Flight Guidance System

    S-TEC Corporation replaces Modification Part

    PMA holder →

  • 56-00f 47-625, 227, 236, 330, 70000, 41250, 30250, 73000, 40250, SP31125, SP31750, 7600, 2100, 1528 Report Number: S&M Report A Rev. 03/ dtd 2/1/93 or later FAA approved revision#https://drs.faa.gov/browse/excelExternalWindow/E6E3EE015F7B3B0E8625738B006B29C0.0001##

    Cabin Door Support Cables

    Aero Cables Corporation replaces Modification Part

    PMA holder →

  • 40-011-79#https://drs.faa.gov/browse/excelExternalWindow/B98F601CF78377688625746B005FFC0D.0001##

    Air Conditioning System Kit

    ACC-KP LLC replaces Modification Part

    PMA holder →

  • 1151#https://drs.faa.gov/browse/excelExternalWindow/FDB1555F319D7B4D8625736A0049FF99.0001##

    RAM Air Scoop Duct

    Ram Aircraft Limited Partnership replaces Cessna Duct P/N Sceet 20-60-6

    PMA holder →

  • ST-379#https://drs.faa.gov/browse/excelExternalWindow/0BB01DAD8E8A877A86257553006E58D5.0001##

    System 65 Two Axis Flight Guidance System

    S-TEC Corporation replaces -

    PMA holder →

  • ST-237#https://drs.faa.gov/browse/excelExternalWindow/40CB41A35FD6A86E8625754E006BAE9F.0001##

    System 60 Two Axis Flight Guidance System

    S-TEC Corporation replaces -

    PMA holder →

  • ST-238#https://drs.faa.gov/browse/excelExternalWindow/4E0C64618C822BA78625754E006BAECB.0001##

    Yaw Damper System

    S-TEC Corporation replaces -

    PMA holder →

  • 8109-29 (LH) Rev. C Group List No 8109-29 dtd, 11/13/85 or later FAA approved revision.#https://drs.faa.gov/browse/excelExternalWindow/5A40B375BC677CFC8625737500691390.0001##

    Exhaust Manifold Assy.

    Wall Colmonoy Corporation replaces Cessna Part No 5155125-9

    PMA holder →

  • 8108-29 (RH) Rev. G Group List No. 8108-29 dtd. 11/14/85 or later FAA approved revision.#https://drs.faa.gov/browse/excelExternalWindow/77E1E6A2B6A13D758625737500691355.0001##

    Exhaust Manifold Assy

    Wall Colmonoy Corporation replaces Cessna Part No. 5155125-10

    PMA holder →

  • 4013#https://drs.faa.gov/browse/excelExternalWindow/5815FF6E9AF917F3862571DB006C383F.0001##

    Spoiler panel, right

    Spoilers Inc replaces Modification Part

    PMA holder →

  • 4014#https://drs.faa.gov/browse/excelExternalWindow/FE41F5D835999CA1862571DB006C379B.0001##

    Spoiler panel, left

    Spoilers Inc replaces Modification Part

    PMA holder →

  • 4010#https://drs.faa.gov/browse/excelExternalWindow/7FF9952818A05E3B862571DB006C355E.0001##

    Pump mounting assy

    Spoilers Inc replaces Modification Part

    PMA holder →

  • 4000-1#https://drs.faa.gov/browse/excelExternalWindow/80A347A66781EE41862571DB006C34E4.0001##

    Hydraulic pump

    Spoilers Inc replaces Modification Part

    PMA holder →

  • 4021#https://drs.faa.gov/browse/excelExternalWindow/543249FEF3F6821B862571DB006C335A.0001##

    Doubler, wing skin right

    Spoilers Inc replaces Modification Part

    PMA holder →

  • 4022#https://drs.faa.gov/browse/excelExternalWindow/3B1108EAFAC6893B862571DB006C331A.0001##

    Doubler, wing skin left

    Spoilers Inc replaces Modification Part

    PMA holder →

  • 4005#https://drs.faa.gov/browse/excelExternalWindow/92F2A51A6BF9024D862571DB006C31A9.0001##

    Annunciator panel assy

    Spoilers Inc replaces Modification Part

    PMA holder →

+ 2 more PMA parts on file

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for CESSNA 421B

05 /  Aircraft of this type

All 224 registered N-numbers

Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.

224 of 224
N-number St Year NTSB FAA
N100AJ IL 1972 · Look up ↗
N104WM KY 1975 · Look up ↗
N110DH DE — · Look up ↗
N111TF OR 1974 · Look up ↗
N111TL DE 1974 · Look up ↗
N114HV TX 1973 · Look up ↗
N1223H GA 1973 ● Look up ↗
N122SW OK — · Look up ↗
N123BT DE 1973 · Look up ↗
N124WC NC 1973 · Look up ↗
N12WT NY 1974 ● Look up ↗
N138JG KY 1975 · Look up ↗
N13HL FL 1975 · Look up ↗
N13MF FL 1972 · Look up ↗
N14RT DE 1974 · Look up ↗
N1510G DE 1974 · Look up ↗
N1527G FL 1974 · Look up ↗
N1534G CA — · Look up ↗
N1543G LA 1974 · Look up ↗
N1557G MT 1974 · Look up ↗
N155J — 1972 · Look up ↗
N1592G TX 1974 · Look up ↗
N16AS — 1973 ● Look up ↗
N17HL CO — · Look up ↗
N1925G AZ 1975 · Look up ↗
N1942G CO 1974 · Look up ↗
N1944G CO 1974 · Look up ↗
N1946G CT 1974 · Look up ↗
N1GQ WA 1972 · Look up ↗
N1YA WY 1974 ● Look up ↗
N208V CO 1975 · Look up ↗
N20MW OH 1975 · Look up ↗
N210FC CA 1975 · Look up ↗
N214DF MI 1973 · Look up ↗
N21GF CO 1971 ● Look up ↗
N2345A DE 1974 · Look up ↗
N234DA OK 1971 · Look up ↗
N238FA TX 1972 · Look up ↗
N239SE CO 1972 · Look up ↗
N23DT DE 1975 · Look up ↗
N240RT OK 1975 · Look up ↗
N241TS CA — · Look up ↗
N242HB MO 1970 · Look up ↗
N300MB CA 1974 · Look up ↗
N304MC UT — · Look up ↗
N315M NV — ● Look up ↗
N318PP MT 1974 · Look up ↗
N31KC WA 1973 · Look up ↗
N31KS TX — · Look up ↗
N31KT CA 1970 ● Look up ↗
N321HA DE 1973 · Look up ↗
N333CJ DE 1972 · Look up ↗
N333KW GA 1974 · Look up ↗
N3377Q TX — · Look up ↗
N3540M IL — · Look up ↗
N355RT DE 1974 · Look up ↗
N35FS CA 1974 · Look up ↗
N37676 TX 1974 · Look up ↗
N37JK NV — ● Look up ↗
N37M PR — ● Look up ↗
N382MC NM — · Look up ↗
N384AM OK — · Look up ↗
N400BJ FL 1974 · Look up ↗
N400CE NC 1975 · Look up ↗
N400TM TX — · Look up ↗
N40JC TX 1973 · Look up ↗
N41019 GA 1973 ● Look up ↗
N41041 MN 1973 ● Look up ↗
N41055 CA 1974 · Look up ↗
N41085 MI — · Look up ↗
N410EC AL 1973 · Look up ↗
N41106 FL 1974 · Look up ↗
N41114 OH 1973 ● Look up ↗
N41124 CO 1973 · Look up ↗
N411TB OR — · Look up ↗
N411Z TX 1973 ● Look up ↗
N415RA MD 1975 · Look up ↗
N41PB NC 1974 · Look up ↗
N41SP FL 1975 · Look up ↗
N421AH FL 1975 · Look up ↗
N421BN CA — · Look up ↗
N421BP FL 1973 · Look up ↗
N421BX MA — · Look up ↗
N421CK TX 1973 · Look up ↗
N421CL VA 1973 · Look up ↗
N421CR IN 1971 · Look up ↗
N421CT AZ 1973 · Look up ↗
N421DK CA 1974 · Look up ↗
N421E FL 1974 · Look up ↗
N421EZ IL 1974 · Look up ↗
N421FA TX 1973 · Look up ↗
N421FM FL 1974 · Look up ↗
N421GC DE 1975 · Look up ↗
N421GE FL 1970 · Look up ↗
N421GG IL 1974 · Look up ↗
N421GH FL 1973 · Look up ↗
N421GR AL 1993 · Look up ↗
N421GW NH 1974 · Look up ↗
N421HH CA — · Look up ↗
N421HM WA 1970 · Look up ↗
N421HR CO — · Look up ↗
N421HZ AZ 1972 · Look up ↗
N421JM CA 1975 · Look up ↗
N421KS FL 1973 ● Look up ↗
N421MC CA 1972 ● Look up ↗
N421MY MO — · Look up ↗
N421PD TX 1975 · Look up ↗
N421PF GA — · Look up ↗
N421PZ CO 1974 · Look up ↗
N421RC WI — · Look up ↗
N421RH MT — · Look up ↗
N421SE RI 1973 · Look up ↗
N421TM WA 1974 · Look up ↗
N421VC IN — · Look up ↗
N421VV DE 1975 · Look up ↗
N421WD IL 1973 · Look up ↗
N421WX NV — · Look up ↗
N421YP CA — · Look up ↗
N4251T KY — · Look up ↗
N42776 IA 1973 · Look up ↗
N42BC TX 1975 · Look up ↗
N42BJ FL 1972 · Look up ↗
N42YZ OK 1973 · Look up ↗
N440JB KY 1975 · Look up ↗
N4440K FL 1974 ● Look up ↗
N444AT OH — · Look up ↗
N444SM FL 1974 · Look up ↗
N444TA AZ 1973 · Look up ↗
N44KF KS 1974 · Look up ↗
N456HA FL 1974 · Look up ↗
N458VC FL 1974 · Look up ↗
N467DM SC 1973 ● Look up ↗
N469LC NM 1974 · Look up ↗
N477MG MT 1973 · Look up ↗
N48BP IL 1975 · Look up ↗
N49AR WA — · Look up ↗
N4AD UT 1973 · Look up ↗
N4MU MO 1970 · Look up ↗
N500TJ SC 1974 · Look up ↗
N502AT FL 1973 · Look up ↗
N505RW WA — · Look up ↗
N50DL KS 1973 · Look up ↗
N518B WV 1973 · Look up ↗
N52JV GA 1973 · Look up ↗
N530DM TX — · Look up ↗
N5370J DE 1975 · Look up ↗
N5371J DE 1975 · Look up ↗
N5397J DC 1975 · Look up ↗
N5443J IL 1975 · Look up ↗
N5448J AZ 1975 · Look up ↗
N555MY MA 1974 · Look up ↗
N555RF TX 1974 · Look up ↗
N581CJ KS — ● Look up ↗
N583DW GA 1973 · Look up ↗
N587MW TX 1974 · Look up ↗
N5882T CA — · Look up ↗
N5949M TX 1972 · Look up ↗
N5962M WI — ● Look up ↗
N5967M VA — · Look up ↗
N5988M AZ 1972 · Look up ↗
N5996M TX 1972 · Look up ↗
N59NM NV 1975 · Look up ↗
N5PJ NY 1972 · Look up ↗
N612CG OK 1973 · Look up ↗
N616D MO — · Look up ↗
N624PK CO 1971 · Look up ↗
N628RJ TX 1974 ● Look up ↗
N65AE TN 1975 · Look up ↗
N6675Q WI 1973 · Look up ↗
N66EP UT 1973 · Look up ↗
N677HC IA — · Look up ↗
N678DB UT 1975 · Look up ↗
N699JS FL 1975 · Look up ↗
N6LH TX 1972 ● Look up ↗
N6WM CA 1974 · Look up ↗
N701AM FL 1973 ● Look up ↗
N702NC MI — · Look up ↗
N707DM ME 1971 · Look up ↗
N707DT FL 1973 · Look up ↗
N707SP WY 1973 · Look up ↗
N70CP UT 1975 · Look up ↗
N7116W TX 1974 · Look up ↗
N711TP CA 1973 · Look up ↗
N71544 TX — · Look up ↗
N716RM MN 1974 · Look up ↗
N721VG TX — · Look up ↗
N726LA UT 1974 · Look up ↗
N7549Q NC 1972 · Look up ↗
N7557Q FL 1972 ● Look up ↗
N75CB TX 1975 · Look up ↗
N75SK GA 1974 · Look up ↗
N7624Q KS 1973 · Look up ↗
N770CS CO 1975 · Look up ↗
N777TS PA — · Look up ↗
N77EP AL 1973 · Look up ↗
N780JC FL 1974 · Look up ↗
N788JJ IN 1975 · Look up ↗
N799TF CA — ● Look up ↗
N79TD OR 1972 · Look up ↗
N800SM CA 1972 · Look up ↗
N8047Q WI 1970 ● Look up ↗
N8093Q NC 1973 · Look up ↗
N80RS CO 1975 ● Look up ↗
N816LH TX — · Look up ↗
N845YC FL 1973 · Look up ↗
N84RT GA 1973 · Look up ↗
N860RC TX — · Look up ↗
N878SP FL 1974 · Look up ↗
N87MK OK 1974 · Look up ↗
N888ED KS 1973 · Look up ↗
N888HC CA 1975 · Look up ↗
N888VV FL 1973 · Look up ↗
N898EP NM 1973 · Look up ↗
N8AV KS 1974 · Look up ↗
N8WB OR 1974 · Look up ↗
N915LP FL — · Look up ↗
N921AJ NJ 1974 · Look up ↗
N928DM FL — · Look up ↗
N92PS PA 1971 · Look up ↗
N954MC UT 1975 · Look up ↗
N960EM TX 1974 · Look up ↗
N974CF OK 1974 · Look up ↗
N977SM IN 1974 ● Look up ↗
N9SD SC — · Look up ↗

Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)

05 /  Sources & Methodology

Every count traces back to a primary US-government source

We render counts and lists as the agency publishes them. Read the methodology →