# N100F: Mong Sport A-2, registration cancelled 1970-06-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 19, 1970
- Status when cancelled: Valid registration
- Airframe: [Mong Sport A-2](https://openairdocs.org/model/mong-sport-a-2) (registry code 57901PH)
- Serial number: 4923
- Type of aircraft: Fixed wing single engine
- Certificate issued: August 22, 1962
- Mode S code: A00531
- Owner when cancelled: [Thompson Leroy E/Thompson Wilma J](https://openairdocs.org/faa-owner/THOMPSON%20LEROY%20E%2FTHOMPSON%20WILMA%20J)
- Location: [Clinton, IA](https://openairdocs.org/faa-place/IA/Clinton)
- Owner type: Co-owned
- The mark today: https://openairdocs.org/aircraft/N100F
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=100F
- Page: https://openairdocs.org/deregistered/N100F-1970-06-19

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 Mong Sport A-2: https://openairdocs.org/model/mong-sport-a-2.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 MKC67F0147](https://openairdocs.org/ntsb/MKC67F0147), Aug 7, 1966: Mong A-2 (N100F), Clinton, IA, destroyed

## Other aircraft with N100F

- [Registered now](https://openairdocs.org/aircraft/N100F): Grumman G-164A, S/N 1021, built 1972
- [Cancelled 1961-09-21](https://openairdocs.org/deregistered/N100F-1961-09-21): Beech C-50, S/N CH-188. Exported to Japan. Owner: [Air Ferry International](https://openairdocs.org/faa-owner/AIR%20FERRY%20INTERNATIONAL), [Pacific Palisade, CA](https://openairdocs.org/faa-place/CA/Pacific%20Palisade)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.