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Public Record · As of May 5, 2026

N4001

Lockheed 12A View Type →

Status

Registration Valid

Type

Fixed Wing Multi Engine

Engine

P&W R-985 SERIES

Last Cert Issue

—

Aircraft Resources

Engine · Pratt & Whitney Canada → Search FAA TCDS for LOCKHEED 12A →

01 /  Registration

Filed with the Federal Aviation Administration

Every cell below is a literal field from the FAA Aircraft Registry. Click any value to open the FAA registry record for N4001.

Tail Number

N4001

Serial Number

1280

Make

LOCKHEED

Model

12A

Year of Manufacture

—

Mfr / Model Code

5261402

Type Aircraft

Fixed Wing Multi Engine

Type Engine

Reciprocating

Engines

2

Seats

8

Engine Manufacturer

P&W

Engine Model

R-985 SERIES

Horsepower

450 hp

Weight Class

CLASS 1

Certification

Standard · code 1

Registrant

WALTERS RICHARD L · Individual

Address

PO BOX 409 · BOYCE, VA 22620-0409

FAA Region

1 · County 043

Status

Registration Valid

Airworthiness Date

—

Cert Issue Date

—

Expiration Date

—

Last FAA Action

—

Mode S Hex (ICAO24)

A4AF1C

Mode S (Octal)

51127434

Live position via ICAO24 A4AF1C

ADS-B Exchange → FlightAware → FlightRadar24 →

External services. Live tracks are unaffiliated with TallyAero or the FAA.

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to LOCKHEED 12A

Federal Aviation Administration airworthiness directives matched to make and model. Each entry links to the Federal Register publication.

  • Sep 9, 2005

    Airworthiness Directives; Hartzell Propeller Inc. Propellers

    The FAA is adopting a new airworthiness directive (AD) for certain Hartzell Propeller Inc. propellers. This AD requires inspecting the propeller blades and other critical propeller parts for corrosion and mechanical damage. This AD results from two events where a "Z- shank" blade failed and separated and the results of teardown inspections that detected cor…

    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 applies to certain GTX 33, GTX 33D, GTX 3…

    Federal Register →

  • Dec 29, 2004

    Airworthiness Directives; Hartzell Propeller Inc. Propellers

    The FAA proposes to adopt a new airworthiness directive (AD) for certain Hartzell Propeller Inc. propellers. This proposed AD would require inspecting the propeller blades and other critical propeller parts for corrosion and mechanical damage. This proposed AD results from two events where a "Z-shank" blade failed and separated and the results of teardown i…

    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, GTX 33D, GTX 330, and GTX 330D Mode S…

    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 detect, from other aircraft, the S1 (su…

    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, from other aircraft, the S1 (suppression)…

    Federal Register →

  • Jun 6, 2000

    Airworthiness Directives; Rolls-Royce plc RB211 Series Turbofan Engines

    This amendment supersedes an existing airworthiness directive (AD) applicable to certain Rolls-Royce plc (R-R) RB211 series turbofan engines. That AD currently requires the removal from service of intermediate pressure (IP) compressor stage 6-7 rotor shafts that exceed reduced cyclic life limits. This amendment requires further reduction of cyclic life limi…

    Federal Register →

  • Oct 12, 1999

    Airworthiness Directives; Raytheon Aircraft Company 90, 99, 100, 200, 300, 1900, and 2000 Series Airplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to all Raytheon Aircraft Company (Raytheon) 90, 99, 100, 200, 300, 1900, and 2000 series airplanes. The proposed AD would require revising the Airplane Flight Manual (AFM) to include requirements for activation of the airframe pneumatic deicing boots. The proposed AD is the…

    Federal Register →

  • Jun 8, 1998

    Airworthiness Directives; Raytheon Aircraft Company 200 Series Airplanes

    This document proposes to adopt a new airworthiness directive (AD) that would apply to Raytheon Aircraft Company (Raytheon) 200 series airplanes. The proposed AD would require revising the FAA- approved Airplane Flight Manual (AFM) to specify procedures that would prohibit flight in severe icing conditions (as determined by certain visual cues), limit or pr…

    Federal Register →

Advisory Circulars naming this type

FAA guidance that explicitly references LOCKHEED12A

04 /  Service Difficulty Reports

FAA SDR filings

The FAA does not currently expose a public API for Service Difficulty Reports. We do not back-fill or paraphrase. Search the FAA SDR portal directly →

05 /  Sources & Methodology

Every fact on this page links to its primary US-government source

We render only what the agency publishes. Found a factual error? Report it → We acknowledge within 5 business days and resolve within 14.