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Type Record · As of May 3, 2026

ANDERSON GREENWOOD 51

Fixed Wing Single Engine · LYCOMING IO-540 SER

Registered

1

Year Range

1976–1976

NTSB Events

0

Airworthiness Directives

0

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered ANDERSON GREENWOOD 51 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • TX 100.0% 1

By Decade of Manufacture

  • 1970s 100.0% 1

02 /  NTSB Records

Events involving ANDERSON GREENWOOD 51 aircraft

No NTSB-recorded events match ANDERSON GREENWOOD 51 in the indexed corpus.

02c /  Academic Research

Scholarly work mentioning ANDERSON GREENWOOD 51

Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.

Browse the full corpus — academia portal ↗

03 /  Airworthiness Directives

FAA directives applicable to ANDERSON GREENWOOD 51

No matching airworthiness directives are on file for this make and model in the Federal Register.

04 /  Type Certificate Data Sheets

FAA TCDS for ANDERSON GREENWOOD 51

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

06 /  Supplemental Type Certificates

Modifications approved for ANDERSON GREENWOOD 51

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

  • 05/27/2025

    STC SA00081NY

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

    Alcor LLC

  • 05/22/2023

    STC SA01435LA

    Installation of engines modified with Firewall Forward Technologies LLC modified camshaft

    Centri-Lube Technologies LLC

  • 07/11/2019

    STC SA03286CH

    Install an electronic engine ignition system

    Electroair Acquisition Corporation

  • 07/11/2019

    STC SA04032CH

    Install rocker switch assemblies

    Electroair Acquisition Corporation

  • 06/09/2016

    STC SA00081NY

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

    Alcor Inc.

  • 04/04/2016

    STC SA03286CH

    Install an electronic engine ignition system

    Electroair Acquisition Corporation

  • 10/14/2015

    STC SA03286CH

    Install an electronic engine ignition system

    Electroair Acquisition Corporation

  • 10/08/2015

    STC SA04032CH

    Install rocker switch assemblies

    Electroair Acquisition Corporation

  • 01/15/2015

    STC SA03286CH

    Install an electronic engine ignition system

    Electroair Acquisition Corporation

  • 05/25/2011

    STC SA01435LA

    Installation of engines modified with Firewall Forward Technologies LLC modified camshaft

    Centri-Lube Technologies LLC

  • 06/15/2010

    STC SA01435DE

    Installation of engines, modified with a Firewall Forward Technologies.

    Centri-Lube Technologies LLC

  • 06/15/2010

    STC SA01435LA

    Installation of engines modified with Firewall Forward Technologies LLC modified camshaft

    Centri-Lube Technologies LLC

  • 11/10/2009

    STC SA01435LA

    Installation of engines modified with Firewall Forward Technologies LLC modified camshaft

    Centri-Lube Technologies LLC

  • 11/10/2009

    STC SA01435DE

    Installation of engines, modified with a Firewall Forward Technologies

    Centri-Lube Technologies LLC

  • 02/10/2009

    STC SA593CH (Page 1)

    Install Champion SlickSTART magneto booster system.

    Champion Aerospace LLC

  • 06/27/2006

    STC SA01435LA

    Installation of engines modified with Firewall Forward Technologies LLC modified camshaft

    Firewall Forward Technologies LLC

  • 03/12/2004

    STC SA593CH (1 OF 5)

    Install Champion SlickSTART magneto booster system.

    Champion Aerospace LLC

  • 12/18/2003

    STC SA01435LA

    Installation of engines modified with Firewall Forward Technologies LLC modified camshaft

    Firewall Forward Technologies LLC

  • 02/14/2003

    STC SA01435LA

    Installation of engines, modified with a Firewall Forward Technologies, LLC modified camshaft, into aircraft listed. Installation must be done concurrently with STC SE01436LA whic…

    Firewall Forward Inc

  • 12/05/2002

    STC SA489EA

    Installation of ARP Inc. carburetor ice detection system

    Aircraft & Rotorcraft Products (ARP) Inc

  • 05/15/2002

    STC SA00081NY

    Installation of Iceman Aviation Supplies Inc. Carburetor Ice Detector.

    Lamar Technologies Corporation

  • 04/20/2000

    STC SA593CH

    Install Unison SlickSTART tm magneto booster system.

    Unison Industires

  • 12/07/1995

    STC SA00081NY

    Installation of Iceman Aviation Supplies Inc. Carburetor Ice Detector.

    Iceman Aviation Supplies Inc

  • 11/06/1992

    STC SA5159NM

    Installation of chip detector system.

    Northwest Aircraft, Inc

  • 11/06/1992

    STC SA5159NM (1 OF 2)

    Installation of chip detector system.

    Northwest Aircraft Inc

  • 12/07/1983

    STC SA3226SW-D

    Installation of Mitchell automatic flight system model AK700 consisting of a Century IV autopilot or AK700 FD consisting of Century IV flight director autopilot with optional remot…

    Century Flight Systems Inc

07 /  PMA replacement parts

FAA-approved replacement parts for ANDERSON GREENWOOD 51

8 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.

  • EIS-61000-5C#https://drs.faa.gov/browse/excelExternalWindow/6CBA9EA224E99ED086257FAB0068F939.0001##

    Electroair Electronic Ignition System (Kit)

    Electroair Acquisition Corporation replaces Modification Part

    PMA holder →
  • EIS-61000-5M#https://drs.faa.gov/browse/excelExternalWindow/5C8952A3E087CA4286257FAB0068F93A.0001##

    Electroair Electronic Ignition System (Kit)

    Electroair Acquisition Corporation replaces Modification Part

    PMA holder →
  • EA-22000#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179970078620220525194336.0001##

    Controller Wire Harness (14 Pin)

    Electroair Acquisition Corporation replaces Modification Part

    PMA holder →
  • EA-22000T#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155719710720220525194448.0001##

    Controller Wire Harness- Twin (14 Pin)

    Electroair Acquisition Corporation replaces Modification Part

    PMA holder →
  • EA-21000#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157044848520220525194204.0001##

    Six-Cylinder Ignition Controller

    Electroair Acquisition Corporation replaces Modification Part

    PMA holder →
  • EA-23000-A#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID715265899320210923143648.0001##

    EA-23000 Ignition/Starter Switch Panel

    Electroair Acquisition Corporation replaces Modification Part

    PMA holder →
  • EA-23000-A#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID225161709620210923143750.0001##

    EA-23000 Ignition/Starter Switch Panel

    Electroair Acquisition Corporation replaces Modification Part

    PMA holder →
  • Mitchell Model AK700 or AK700FD#https://drs.faa.gov/browse/excelExternalWindow/0D2F5FF933FD51D78625752E005EBCA8.0001##

    Century IV Autopilot or Century IV Flight Director Autopilot

    Century Flight Systems Inc replaces -

    PMA holder →

05 /  Aircraft of this type

All 1 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.

1 of 1
N-number St Year NTSB FAA
N251AG TX 1976 · 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 →