N503GL

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 N503GL.

02 /  NTSB Records

Events on file with the National Transportation Safety Board

03 /  Airworthiness Directives

Applicable to GREAT LAKES 2T-1A-1

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

• Jun 5, 2012

  Airworthiness Directives; WACO Classic Aircraft Corporation Airplanes

  We are adopting a new airworthiness directive (AD) for certain WACO Classic Aircraft Corporation Models 2T-1A, 2T-1A-1, and 2T-1A-2 airplanes. This AD requires inspection of the front and rear horizontal stabilizer spar assemblies with replacement of parts as necessary. This AD was prompted by cracking of the horizontal stabilizer spars, which could lead to…

  Federal Register →

• Dec 16, 2004

  Airworthiness Directives; Great Lakes Aircraft Company, LLC, Models 2T-1A-1 and 2T-1A-2 Airplanes

  The FAA supersedes Airworthiness Directive (AD) 79-20-08, which applies to all Great Lakes Aircraft Company, LLC, (Great Lakes) Models 2T-1A-1 and 2T-1A-2 airplanes with a Lycoming IO-360-B1F6 or AIO-360-B1G6 engine installed. AD 79-20-08 currently requires you to inspect the engine induction system and the alternate air door for any signs of damage and rep…

  Federal Register →

• Sep 20, 2004

  Airworthiness Directives; Great Lakes Aircraft Company, LLC, Models 2T-1A-1 and 2T-1A-2 Airplanes

  The FAA proposes to supersede Airworthiness Directive (AD) 79- 20-08, which applies to all Great Lakes Aircraft Company, LLC, (Great Lakes) Models 2T-1A-1 and 2T-1A-2 airplanes with a Lycoming IO-360-B1F6 or AIO-360-B1G6 engine installed. AD 79-20-08 currently requires you to inspect the engine induction system and the alternate air door for any signs of da…

  Federal Register →

• Nov 30, 1999

  Airworthiness Directives; Precise Flight, Inc. Model SVS III Standby Vacuum Systems

  This amendment adopts a new airworthiness directive (AD) that applies to all aircraft equipped with Precise Flight, Inc. Model SVS III standby vacuum systems installed in accordance with the applicable supplemental type certificate (STC) or through field approval. This AD requires incorporating revised operating limitations for the affected standby vacuum s…

  Federal Register →

• Jul 7, 1999

  Airworthiness Directives; Precise Flight, Inc. Model SVS III Standby Vacuum Systems

  This document proposes to adopt a new airworthiness directive (AD) that would apply to all U.S. owners and operators of aircraft equipped with Precise Flight, Inc. Model SVS III standby vacuum systems installed in accordance with the applicable supplemental type certificate (STC) or through field approval. The proposed AD would require incorporating revised…

  Federal Register →

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

• FAA Aircraft Registry →

  Refreshed May 5, 2026

  Available

• NTSB CAROL →

  Refreshed May 5, 2026

  Available

• Federal Register (FAA Airworthiness Directives) →

  Refreshed May 5, 2026

  Available

• FAA Service Difficulty Reports →

  Refreshed May 5, 2026

  Unavailable

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