# N1PH: 1971 Ham PITTS SPECIAL S-1C, registration cancelled 2005-06-20

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 20, 2005
- Status when cancelled: Triennial form not returned
- Airframe: [Ham PITTS SPECIAL S-1C](https://openairdocs.org/model/ham-pitts-special-s-1c) (registry code 7221123)
- Engine: [Lycoming 0-360-A1D](https://openairdocs.org/engine/lycoming-0-360-a1d) (registry code 41504)
- Data sheets: [TCDS E-286](https://openairdocs.org/tcds/E-286) (OpenAirDocs)
- Serial number: 168H
- Year built: 1971
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: May 28, 1999
- Certificate issued: June 10, 2002
- Last registry action: May 17, 2005
- Mode S code: A0014F
- Owner when cancelled: [Foster Clark B](https://openairdocs.org/faa-owner/FOSTER%20CLARK%20B)
- Location: [Laguna Niguel, CA](https://openairdocs.org/faa-place/CA/Laguna%20Niguel)
- Owner type: Individual
- Owner's area on the map: 33.5301° N, 117.7029° W: Placed by OpenAirDocs at the center of ZIP code 92677, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1PH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1PH
- Page: https://openairdocs.org/deregistered/N1PH-2005-06-20

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 Ham PITTS SPECIAL S-1C: https://openairdocs.org/model/ham-pitts-special-s-1c.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 LAX02LA156](https://openairdocs.org/ntsb/LAX02LA156), May 11, 2002: Ham Pitts S-1C (N1PH), Borrego Springs, CA, substantial damage. Probable cause: The failure of the pilot to maintain control of the airplane during landing rollout resulting in a ground loop/swerve and a nose over. The soft terrain was a factor.

## 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 20020511010709A](https://openairdocs.org/incident/20020511010709A), May 11, 2002: Amtr PITTSS1C (N1PH), Borrego Springs, CA, No damage. (-23) During landing roll at Borrego Springs airport, California, the pilot experienced an uncontrollable veer to the left, then the airplane nose gear…

## Other aircraft with N1PH

- [Registered now](https://openairdocs.org/aircraft/N1PH): Beech F33A, S/N CE-1018, built 1983

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