# N221AG: 1944 Mckinnon G21G, registration cancelled 2015-05-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 6, 2015
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Mckinnon G21G](https://openairdocs.org/model/mckinnon-g21g) (registry code 5550120)
- Engine: [AiResearch TPE331 series](https://openairdocs.org/engine/airesearch-tpe331-series) (registry code 01514)
- Data sheets: [TCDS 4A24](https://openairdocs.org/tcds/4A24) (OpenAirDocs)
- Serial number: 1240
- Year built: 1944
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: May 17, 1996
- Certificate issued: December 17, 2009
- Last registry action: December 17, 2009
- Mode S code: A1E4BF
- Owner when cancelled: [Triple S Aviation LLC](https://openairdocs.org/faa-owner/TRIPLE%20S%20AVIATION%20LLC)
- Location: [Addison, TX](https://openairdocs.org/faa-place/TX/Addison)
- Owner type: Corporation
- Owner's area on the map: 32.9600° N, 96.8372° W: Placed by OpenAirDocs at the center of ZIP code 75001, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N221AG
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=221AG
- Page: https://openairdocs.org/deregistered/N221AG-2015-05-06

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Mckinnon G21G: https://openairdocs.org/model/mckinnon-g21g.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DCA11WA032](https://openairdocs.org/ntsb/DCA11WA032), Feb 27, 2011: Grumman G21 (N221AG), Al Ain, United Arab Emirates, destroyed, 4 fatal

## Other aircraft with N221AG

- [Registered now](https://openairdocs.org/aircraft/N221AG): Cameron Balloons U S A-315, S/N 6954, built 2022

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