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Type Record · As of May 3, 2026

MAULE M-7-235

Fixed Wing Single Engine · LYCOMING 0-540 SERIES

Registered

49

Year Range

1983–2022

NTSB Events

17

Airworthiness Directives

37

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered MAULE M-7-235 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • AK 30.6% 15
  • CA 6.1% 3
  • WA 6.1% 3
  • FL 6.1% 3
  • TX 6.1% 3
  • MN 4.1% 2
  • NE 4.1% 2
  • WI 4.1% 2
  • CO 4.1% 2
  • DE 4.1% 2

+12 more states

By Decade of Manufacture

  • 1980s 38.8% 19
  • 1990s 28.6% 14
  • 2010s 2.0% 1
  • 2020s 4.1% 2
  • Unknown 26.5% 13

02 /  NTSB Records

Events involving MAULE M-7-235 aircraft

17 event(s) on file. Showing the most recent 17.

03 /  Airworthiness Directives

FAA directives applicable to MAULE M-7-235

37 directive(s) on file. Showing the most recent 25 · 12 more in the Federal Register.

  • Aug 17, 2020

    Airworthiness Directives; Aspen Avionics, Inc.

    The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. The AD applies to certain Aspen Avionics, Inc., Evolution Flight Display (EFD) EFD1000 Emergency Backup Display, EFD1000 Multi-Function Display, and EFD1000 Primary Flight Display systems installed on various airplanes. As pu…

  • Jul 31, 2020

    Airworthiness Directives; Aspen Avionics, Inc.

    The FAA is adopting a new airworthiness directive (AD) for certain Aspen Avionics, Inc., Evolution Flight Display (EFD) EFD1000 Emergency Backup Display, EFD1000 Multi-Function Display, and EFD1000 Primary Flight Display systems installed on various airplanes. This AD imposes operating restrictions on these display sy…

  • Jan 23, 2019

    Airworthiness Directives; Aspen Avionics, Inc., Evolution Flight Display Units

    We are adopting a new airworthiness directive (AD) for certain Aspen Avionics, Inc. (Aspen), Evolution Flight Display (EFD) EFD1000 Primary Flight Display (PFD), EFD1000 Multi-Function Display (MFD), EFD1000 Emergency Backup Display (EBD), and EFD500 MFD units installed on various aircraft. This AD requires disabling…

  • Dec 16, 2013

    Airworthiness Directives; Maule Aerospace Technology, Inc. Airplanes

    We are revising Airworthiness Directive (AD) 98-15-18 that applies to certain Maule Aerospace Technology, Inc. Models M-4, M-5, M- 6, M-7, MT-7, MX-7, MXT-7, and M-8 airplanes that are equipped with rear wing lift struts, part number (P/N) 2079E, and/or front wing lift struts, P/N 2080E. AD 98-15-18 required repetitiv…

  • Aug 13, 2013

    Airworthiness Directives; Maule Aerospace Technology, Inc. Airplanes

    We propose to revise airworthiness directive (AD) 98-15-18 that applies to certain Maule Aerospace Technology, Inc. M-4, M-5, M-6, M-7, MT-7, MX-7, MXT-7, and M-8 airplanes that are equipped with rear wing lift struts, part number (P/N) 2079E, and/or front wing lift struts, P/N 2080E. AD 98-15-18 currently requires re…

  • Aug 12, 2011

    Airworthiness Directives; Lycoming Engines (L)O-360, (L)IO-360, AEIO-360, O-540, IO-540, AEIO-540, (L)TIO-540, IO-580, and IO-720 Series Reciprocating Engines

    We propose to supersede an existing airworthiness directive (AD) that applies to the products listed above. The existing AD currently requires replacing certain crankshafts. Since we issued that AD, Lycoming Engines discovered that the start date of affected engine models in Mandatory Service Bulletin (MSB) No. 569A,…

  • Dec 31, 2009

    Airworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA is superseding an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components, Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan," installed. That AD current…

  • Jul 30, 2009

    Airworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA proposes to supersede an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components, Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan," installed. That AD…

  • Nov 25, 2008

    Airworthiness Directives; Maule Aerospace Technology, Inc. M-4, M-5, M-6, and M-7 Series and Model M-8-235 Airplanes

    The FAA adopts a new airworthiness directive (AD) for certain Maule Aerospace Technology, Inc. M-4, M-5, M-6, and M-7 series and Model M-8-235 airplanes. This AD requires you to paint the top of the rear elevator control horn, the elevator control cable end attached to the top of the rear control horn, the bottom of t…

  • Sep 15, 2008

    Airworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA is adopting a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components, Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan", installed. This AD requires initial…

  • Aug 19, 2008

    Airworthiness Directives; Maule Aerospace Technology, Inc. Models M-4, M-5, M-6, M-7, and M-8 Series Airplanes

    We propose to adopt a new airworthiness directive (AD) for certain Maule Aerospace Technology, Inc. Models M-4, M-5, M-6, M-7, and M-8 series airplanes. This proposed AD would require you to paint the top of the rear elevator control horn, the elevator control cable end attached to the top of the rear control horn, th…

  • May 19, 2008

    Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA proposes to adopt a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan", installed. This proposed AD wo…

  • Apr 2, 2007

    Airworthiness Directives; Superior Air Parts, Inc. (SAP), Cylinder Assemblies Part Numbers Series: SA47000L, SA47000S, SA52000, SA55000, SL32000W, SL32000WH, SL32006W, SL36000TW, SL36000W, and SL36006W

    The FAA is revising an existing airworthiness directive (AD) for certain SAP cylinder assemblies installed in Teledyne Continental Motors (TCM) 470, 520, and 550 series reciprocating engines, Lycoming Engines (LE) 320, 360, and 540 series reciprocating engines, Avco Lycoming (AL) 540 series reciprocating engines, and…

  • Feb 23, 2007

    Airworthiness Directives; Superior Air Parts, Inc. (SAP), Cast Cylinder Assemblies Part Numbers Series: SA47000L, SA47000S, SA52000, SA55000, SL32000W, SL32000WH, SL32006W, SL36000TW, SL36000W, and SL36006W

    The FAA is adopting a new airworthiness directive (AD) for certain SAP cast cylinder assemblies installed in Teledyne Continental Motors (TCM) 470, 520, and 550 series reciprocating engines, Lycoming Engines (LE) 320, 360, and 540 series reciprocating engines, Avco Lycoming (AL) 540 series reciprocating engines, and S…

  • Sep 29, 2006

    Airworthiness Directives; Lycoming Engines (L)O-360, (L)IO-360, AEIO-360, O-540, IO-540, AEIO-540, (L)TIO-540, IO-580, and IO-720 Series Reciprocating Engines.

    The FAA is adopting a new airworthiness directive (AD) for certain Lycoming Engines (L)O-360, (L)IO-360, AEIO-360, O-540, IO-540, AEIO-540, (L)TIO-540, IO-580, and IO-720 series reciprocating engines. This AD requires replacing certain crankshafts. This AD results from reports of 23 confirmed failures of similar crank…

  • Jun 6, 2006

    Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA is superseding an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast", installed. That AD c…

  • May 18, 2006

    Airworthiness Directives; Engine Components Incorporated (ECi) Reciprocating Engine Connecting Rods

    The FAA is adopting a new airworthiness directive (AD) for certain Lycoming Engines (formerly Textron Lycoming) 360 and 540 series reciprocating engines with ECi connecting rods, part number (P/N) AEL11750, installed. The Airmotive Engineering Corp, Division of Engine Components Incorporated (ECi), holds the Parts Man…

  • Feb 24, 2006

    Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA proposes to supersede an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast", installed. Th…

  • Dec 27, 2005

    Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA is adopting a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast", installed. This AD requires r…

  • Oct 5, 2005

    Airworthiness Directives; Engine Components Incorporated (ECi) Reciprocating Engine Connecting Rods

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Lycoming Engines (formerly Textron Lycoming) 360 and 540 series reciprocating engines with ECi connecting rods, part number (P/ N) AEL 11750, installed. This proposed AD would require replacing certain serial-numbered connecting rods, P/N AEL 117…

  • Sep 9, 2005

    Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies

    The FAA proposes to adopt a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast," installed. This propose…

  • Jun 7, 2005

    Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems

    The FAA adopts a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This AD requires you to replace the airplane flight manual suppl…

  • Mar 4, 2005

    Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems

    The FAA proposes to adopt a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This proposed AD would require you to replace the air…

  • 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…

  • 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…

04 /  Type Certificate Data Sheets

FAA TCDS for MAULE M-7-235

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

  • 3A23 Historical Rev 32 · 10/14/2015

    Maule Aerospace Technology Inc.

    Models: M-5-220C, Bee Dee M-4, MX-7-160C, M-7-235B + 47 more

06 /  Supplemental Type Certificates

Modifications approved for MAULE M-7-235

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

  • 03/03/2026

    STC SA02511SE

    Installation of replacement fuel quantity indicator sending unit(s)

    CiES Inc.

  • 12/09/2025

    STC SA01005DE

    Installation of a EarthX ETX900-TSO Lithium battery

    EarthX Inc.

  • 07/24/2025

    STC SA02511SE

    Installation of replacement fuel quantity indicator sending unit(s)

    CiES Inc.

  • 07/21/2025

    STC SA02511SE

    Installation of replacement fuel quantity indicator sending unit(s)

    CiES Inc.

  • 05/27/2025

    STC SA5581SW

    Installation of ALCOR true-flow/ totalizer system

    Alcor LLC

  • 05/27/2025

    STC SA00081NY

    Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector.

    Alcor LLC

  • 04/01/2025

    STC SA02738CH (PAGE 1)

    Installation of L-3 Communications Avionics Systems

    Acron Aviation Inc.

  • 04/01/2025

    STC SA04046CH Page 1

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

    Acron Aviation Inc.

  • 03/01/2025

    STC SA7965SW

    Application of fabric and polyurethane finishing system.

    Shady Aviation LLC

  • 11/22/2024

    STC SA04378CH

    Installation of an engine modified per STC SE04349CH

    SureFly Partners Ltd.

  • 10/23/2024

    STC SA39CH

    Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System

    Wipaire Inc.

  • 09/26/2024

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

  • 08/27/2024

    STC SA04837NY

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

    AeroLED's Holdings, LLC

  • 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

  • 08/21/2024

    STC SA01757WI

    To allow the use of UL91 or UL94 (minimum) grade aviation fuel

    Swift Fuels LLC

  • 06/13/2024

    STC SA02511SE

    Installation of replacement fuel quantity indicator sending unit(s)

    CiES Inc.

  • 06/13/2024

    STC SA02511SE (1 OF 3)

    Installation of replacement fuel quantity indicator sending unit(s)

    CiES Inc.

  • 06/13/2024

    STC SA02511SE (1 OF 2)

    Installation of replacement fuel quantity indicator sending unit(s)

    CiES Inc.

  • 05/17/2024

    STC SA4503NM (PAGE 1)

    Remove original cloth covering and install Ceconite covering

    Ceconite Division of Poly-Fiber Inc.

  • 02/02/2024

    STC SA02658SE (1 OF 2)

    Installation of Garmin GI 275 Multi-Function Display System

    Garmin International Inc.

  • 12/12/2023

    STC SA02571SE (PAGE 1)

    Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).

    Garmin International Inc.

  • 08/16/2023

    STC SA02576AK

    Installation of Cleveland and ABI, LLC Wheel and Brake Kits

    ABI LLC

  • 08/10/2023

    STC SA02019WI

    Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio.

    Peregrine

  • 07/19/2023

    STC SA04378CH

    Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat…

    SureFly Partners Ltd.

  • 05/22/2023

    STC SA01435LA

    Installation of engines modified with Firewall Forward Technologies LLC modified camshaft

    Centri-Lube Technologies LLC

  • 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

  • 04/04/2023

    STC SA11137SC

    Installation of Plane-Power ALT-FLX alternator

    Hartzell Engine Technologies, LLC

  • 02/09/2023

    STC SA01606CH

    Installation of alternate electro-hydraulic power pack system for operation of main wheel skis.

    F.Atlee Dodge Aircraft Services

  • 01/10/2023

    STC SA04378CH

    Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat…

    SureFly Partners Ltd

  • 12/14/2022

    STC SA01233SE

    Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly

    ABI, LLC

+ 404 more STCs on file

07 /  PMA replacement parts

FAA-approved replacement parts for MAULE M-7-235

12 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.

  • STS-S12#https://drs.faa.gov/browse/excelExternalWindow/4D1FADFAD9E0A0618625825900708E24.0001##

    Solenoid Contactor - Starter

    Lamar Technologies LLC replaces 70-112225-5

    PMA holder →
  • STS-S12#https://drs.faa.gov/browse/excelExternalWindow/0D1FABEF5B69424C8625825900708E25.0001##

    Solenoid Contactor - Starter

    Lamar Technologies LLC replaces SAZ-4201E

    PMA holder →
  • STS-S12#https://drs.faa.gov/browse/excelExternalWindow/E10285D4E616536986257DE9004D1120.0001##

    Solenoid Contactor - Starter

    Sky-Tec Partners Ltd replaces 70-112225-5, SAZ-4201E

    PMA holder →
  • STS-S12#https://drs.faa.gov/browse/excelExternalWindow/11BCA512D1C1742786257DCE005E8262.0001##

    Solenoid Contactor - Starter

    Sky-Tec Partners Ltd replaces 70-112225-5, SAZ-4201E

    PMA holder →
  • Master Drawing List CFMI 3000-9, Revision D, Dated 04/04/11#https://drs.faa.gov/browse/excelExternalWindow/52205BBF7CA61FE1862578A1004BC98B.0001##

    Model 3000 Ski Installation Parts

    Custom Fiberglass Molding Inc replaces Modification Part

    PMA holder →
  • Master Drawing List CFMI 3000-10, Revision F, Dated 04/04/11#https://drs.faa.gov/browse/excelExternalWindow/84D7373B27CC8860862578A1004BC9CB.0001##

    Model 3000-01 A/B) Ski Installation Parts

    Custom Fiberglass Molding Inc replaces Modification Part

    PMA holder →
  • ST-892-20/30#https://drs.faa.gov/browse/excelExternalWindow/BEAFA1F8CF2A9204862576DA005926D1.0001##

    System 20/30 Single and Two Axis Automatic Flight Guidance Systems

    S-TEC Corporation replaces Modification Part

    PMA holder →
  • ST-890#https://drs.faa.gov/browse/excelExternalWindow/136FB060DEEBC722862576DA005926A5.0001##

    System 55X Two Axis Automatic Flight Guidance System

    S-TEC Corporation replaces Modification Part

    PMA holder →
  • ST-872-20/30#https://drs.faa.gov/browse/excelExternalWindow/43A70BE639F25C64862576DA0059258C.0001##

    System 20/30 Single and Two Axis Automatic Flight Guidance Systems

    S-TEC Corporation replaces Modification Part

    PMA holder →
  • ST-810-20/30#https://drs.faa.gov/browse/excelExternalWindow/881F7C4E8690721B862576DA00592552.0001##

    System 20/30 Single and Two Axis Automatic Flight Guidance Systems

    S-TEC Corporation replaces Modification Part

    PMA holder →
  • 94016-02#https://drs.faa.gov/browse/excelExternalWindow/8FB5FBE2331591928525703D005FB814.0001##

    Isolator, Vibration

    Hutchinson Aerospace & Industry Inc replaces 94016-02

    PMA holder →
  • 93110-08#https://drs.faa.gov/browse/excelExternalWindow/6CF24A7BEB10D1EB8525703D005FB87D.0001##

    Isolator, Engine

    Hutchinson Aerospace & Industry Inc replaces 93110-08

    PMA holder →

09 /  Equivalent Level of Safety findings

ELOS findings issued for MAULE M-7-235

1 ELOS finding on file. The FAA issues an ELOS when an applicant proposes an alternative means that achieves the same safety outcome as a literal regulation — a standing record of which certification deviations the agency has approved for this model series.

05 /  Aircraft of this type

All 49 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.

49 of 49
N-number St Year NTSB FAA
N107AK CA 1988 · Look up ↗
N141WF WY · Look up ↗
N159JD WA 1987 · Look up ↗
N166LM FL · Look up ↗
N1RW TX 1989 · Look up ↗
N202GT AK Look up ↗
N235FS CA 1988 · Look up ↗
N245LG AK 1991 · Look up ↗
N30075 MN 1994 · Look up ↗
N30AG AK 1994 Look up ↗
N355CB WA 1991 · Look up ↗
N359FS NE 1990 · Look up ↗
N362FS FL 1989 · Look up ↗
N3952V ID 1987 · Look up ↗
N44KG AK 1989 · Look up ↗
N49MW WI 1992 · Look up ↗
N5656B OR 1983 · Look up ↗
N5656S AK 1984 Look up ↗
N5657A AK 1984 Look up ↗
N5659D MN Look up ↗
N5660Y MS · Look up ↗
N5664Y AL Look up ↗
N5669X NE 1987 · Look up ↗
N5670D NM 1987 · Look up ↗
N574HB WI 2021 · Look up ↗
N574RB AK 2018 · Look up ↗
N6060F AK 1985 · Look up ↗
N6110C AK 1987 Look up ↗
N6128P CO Look up ↗
N61294 ND Look up ↗
N61385 MO 1992 Look up ↗
N61399 TX · Look up ↗
N700AW UT · Look up ↗
N730MW TX 1990 · Look up ↗
N770AS AK 1984 Look up ↗
N7UE AR 1988 · Look up ↗
N86MD MT 1988 · Look up ↗
N886Z AK 2022 · Look up ↗
N89CW AK 1989 · Look up ↗
N9202Z AK 1990 · Look up ↗
N92038 CO · Look up ↗
N92078 AK · Look up ↗
N9209F DE 1990 Look up ↗
N9214F DE 1991 · Look up ↗
N9226N CA 1992 · Look up ↗
N9235T MI Look up ↗
N93ML AK 1993 Look up ↗
N988DD FL 1989 · Look up ↗
N997RM WA 1993 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 →