# N204AP: 1970 Bell TH-1L, registration cancelled 2018-01-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 16, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Bell TH-1L](https://openairdocs.org/model/bell-th-1l) (registry code 1180817)
- Engine: [Lycoming T53-L-13](https://openairdocs.org/engine/lycoming-t53-l-13) (registry code 41551)
- Data sheets: [TCDS H4NM](https://openairdocs.org/tcds/H4NM) (OpenAirDocs)
- Serial number: 157840
- Year built: 1970
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Experimental, showing compliance
- Airworthiness date: March 5, 1986
- Certificate issued: February 25, 1988
- Last registry action: April 5, 2001
- Mode S code: A1A0ED
- Owner when cancelled: [Southern Aero Corporation](https://openairdocs.org/faa-owner/SOUTHERN%20AERO%20CORPORATION)
- Location: [Ozark, AL](https://openairdocs.org/faa-place/AL/Ozark)
- Owner type: Corporation
- Owner's area on the map: 31.4675° N, 85.6170° W: Placed by OpenAirDocs at the center of ZIP code 36360, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N204AP
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=204AP
- Page: https://openairdocs.org/deregistered/N204AP-2018-01-16

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 Bell TH-1L: https://openairdocs.org/model/bell-th-1l.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 LAX94LA132](https://openairdocs.org/ntsb/LAX94LA132), Feb 23, 1994: Bell TH-1L (N204AP), Etna, CA, substantial damage. Probable cause: THE FAITUGE OF THE GEAR TOOTH WHICH CAUSED THE FAILURE OF THE 42-DEGREE GEAR BOX.
- [NTSB MIA89LA081](https://openairdocs.org/ntsb/MIA89LA081), Feb 8, 1989: Bell TH-1L (N204AP), Greenville, FL, substantial damage. Probable cause: INSTALLATION OF THE IMPROPER SPRAG CLUTCH ASSEMBLY BY THE OWNERS MAINTENANCE PERSONNEL RESULTING IN FAILURE OF THE SPRAG CLUTCH AND THE LOSS OF TRANSMISSION DRIVE.

## FAA accident and incident reports (2)

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 19940223002819A](https://openairdocs.org/incident/19940223002819A), Feb 23, 1994: Bell TH1L (N204AP), Etna, CA, Substantial damage. Vibration after log pickup tried dump load. Lost tail rotor. Uncontrolled spin to impact. 42 degree gear box failed
- [Accident 19890208031229A](https://openairdocs.org/incident/19890208031229A), Feb 8, 1989: Bell TH1L (N204AP), Greenville, FL, Substantial damage. Loud noise,lost RPM. Autorotated into trees. Improper sprag clutch installed,became disengaged from stress and wear

## Other aircraft with N204AP

- [Registered now](https://openairdocs.org/aircraft/N204AP): Amazon.Com Services MK30, S/N 1786501193

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