# N121H: 1937 Mckinnon G-21E, registration cancelled 2013-01-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 30, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Mckinnon G-21E](https://openairdocs.org/model/mckinnon-g-21e) (registry code 5550105)
- Engine: [Pratt & Whitney Canada PT6A-60A](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-60a) (registry code 52043)
- Data sheets: [TCDS 4A24](https://openairdocs.org/tcds/4A24), [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (OpenAirDocs)
- Serial number: 1211
- Year built: 1937
- Type of aircraft: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: May 5, 1970
- Certificate issued: September 9, 1994
- Last registry action: September 29, 2000
- Mode S code: A05818
- Owner when cancelled: [Stallion Aircraft Inc](https://openairdocs.org/faa-owner/STALLION%20AIRCRAFT%20INC)
- Location: [Bensenville, IL](https://openairdocs.org/faa-place/IL/Bensenville)
- Owner type: Corporation
- Owner's area on the map: 41.9644° N, 87.9441° W: Placed by OpenAirDocs at the center of ZIP code 60106, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N121H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=121H
- Page: https://openairdocs.org/deregistered/N121H-2013-01-30

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 G-21E: https://openairdocs.org/model/mckinnon-g-21e.md

## NTSB investigations (2)

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 CHI95FA182](https://openairdocs.org/ntsb/CHI95FA182), Jun 14, 1995: Grumman G-21E (N121H), West Chicago, IL, destroyed, 2 fatal. Probable cause: THE PILOT ALLOWED EXCESSIVE NOSE-UP ROTATION OF THE AIRPLANE DURING LIFT-OFF, AND FAILED TO OBTAIN AND/OR MAINTAIN ADEQUATE AIRSPEED, WHICH RESULTED IN AN INADVERTENT STALL AND COLLISION WITH THE…
- [NTSB FTW72FRD05](https://openairdocs.org/ntsb/FTW72FRD05), Sep 2, 1971: Mckinnon G-21E (N121H), Westwego, LA, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19950613020609A](https://openairdocs.org/incident/19950613020609A), Jun 13, 1995: Mckinn G21E (N121H), Chicago/West Ch, IL, Destroyed, 2 fatal. Nose high takeoff. Began left turn. Stalled. Vertical impact. No annual pilot not flown amphibian last two years. (-23) the aircraft was observed taking off…

## Other aircraft with N121H

- [Registered now](https://openairdocs.org/aircraft/N121H): Saint/Mull/Vanfleet/Maxson RV12S, S/N 1001, built 2018
- [Cancelled 1929-06-22](https://openairdocs.org/deregistered/N121H-1929-06-22): Aeromarine Klemm L 25 A, S/N 2-15. Owner: [Aeromarine Klemm Corp](https://openairdocs.org/faa-owner/AEROMARINE%20KLEMM%20CORP), [Keyport, NJ](https://openairdocs.org/faa-place/NJ/Keyport)

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