# N9933D: Piper PA-18A 150, registration cancelled 1973-06-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 27, 1973
- Status when cancelled: Valid registration
- Airframe: [Piper PA-18A 150](https://openairdocs.org/model/piper-pa-18a-150) (registry code 7101837)
- Serial number: 18-6986
- Type of aircraft: Fixed wing single engine
- Certificate issued: July 7, 1967
- Mode S code: ADE08D
- Owner when cancelled: [Rothfus Howard J](https://openairdocs.org/faa-owner/ROTHFUS%20HOWARD%20J)
- Location: [Carter Lake, IA](https://openairdocs.org/faa-place/IA/Carter%20Lake)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N9933D
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9933D
- Page: https://openairdocs.org/deregistered/N9933D-1973-06-27

From the FAA registry file of October 31, 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 Piper PA-18A 150: https://openairdocs.org/model/piper-pa-18a-150.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 MKC73FCD33](https://openairdocs.org/ntsb/MKC73FCD33), Oct 6, 1972: Piper PA-18 (N9933D), Guthrie Ctr, IA, destroyed, 1 fatal

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