# N9BB: 1973 Brown PITTS SPECIAL S-1, registration cancelled 2006-11-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 2, 2006
- Status when cancelled: Second triennial mailing, no response
- Airframe: [Brown PITTS SPECIAL S-1](https://openairdocs.org/model/brown-pitts-special-s-1) (registry code 7220211)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 1
- Year built: 1973
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 14, 1979
- Certificate issued: September 2, 1983
- Last registry action: January 3, 1987
- Mode S code: AC6A95
- Owner when cancelled: [Harding Kenneth A](https://openairdocs.org/faa-owner/HARDING%20KENNETH%20A)
- Location: [San Jose, CA](https://openairdocs.org/faa-place/CA/San%20Jose)
- Owner type: Individual
- Owner's area on the map: 37.2956° N, 121.8941° W: Placed by OpenAirDocs at the center of ZIP code 95125, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9BB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9BB
- Page: https://openairdocs.org/deregistered/N9BB-2006-11-02

From the FAA registry file of November 4, 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 Brown PITTS SPECIAL S-1: https://openairdocs.org/model/brown-pitts-special-s-1.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 LAX86FVG05](https://openairdocs.org/ntsb/LAX86FVG05), Jul 20, 1986: Brown Pitts Special (N9BB), Bridgeville, CA, 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 19860720034299A](https://openairdocs.org/incident/19860720034299A), Jul 20, 1986: Child S1PITTS (N9BB), Bridgeville, CA, Substantial damage. Made inverted low level pass across runway. When engine quit, attempted to roll level. Stalled,impacted the ground.

## Other aircraft with N9BB

- [Cancelled 2025-09-25](https://openairdocs.org/deregistered/N9BB-2025-09-25): Cessna A185F, S/N 18503356. N-number assigned, not yet registered

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