# N9PJ: 1976 Aerotek PITTS SPECIAL S-1S, registration cancelled 2004-02-03

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 3, 2004
- Exported to: Australia
- Status when cancelled: Valid registration
- Airframe: [Aerotek PITTS SPECIAL S-1S](https://openairdocs.org/model/aerotek-pitts-special-s-1s) (registry code 0110301)
- Engine: [Lycoming AEIO-360 series](https://openairdocs.org/engine/lycoming-aeio-360-series) (registry code 41522)
- Data sheets: [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 1-0037
- Year built: 1976
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition, racing
- Airworthiness date: April 25, 1979
- Certificate issued: May 4, 2002
- Last registry action: May 4, 2002
- Mode S code: AC6BC8
- Owner when cancelled: [Kupczynski Janusz George](https://openairdocs.org/faa-owner/KUPCZYNSKI%20JANUSZ%20GEORGE)
- Location: [Azusa, CA](https://openairdocs.org/faa-place/CA/Azusa)
- Owner type: Individual
- Owner's area on the map: 34.2816° N, 117.7999° W: Placed by OpenAirDocs at the center of ZIP code 91702, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9PJ
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9PJ
- Page: https://openairdocs.org/deregistered/N9PJ-2004-02-03

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 Aerotek PITTS SPECIAL S-1S: https://openairdocs.org/model/aerotek-pitts-special-s-1s.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 LAX00LA315](https://openairdocs.org/ntsb/LAX00LA315), Aug 28, 2000: Pitts S1S (N9PJ), Westminister, CA, substantial damage. Probable cause: The pilot of the Pitts misjudged the clearance while maneuvering under the Cessna.

## 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 20000827028721A](https://openairdocs.org/incident/20000827028721A), Aug 27, 2000: Amtr PITTSSPECS1S (N9PJ), Westmister, CA, No damage. (-23) Two a/c flying in formation collided in the air. A Cessna 172 rg was the lead a/c. a pitts S1-S was flying in trail. The pilot of the pitts S1-S was…
- [Incident 19950915047579I](https://openairdocs.org/incident/19950915047579I), Sep 15, 1995: Child S1SPITTS (N9PJ), Scribner, NE, Minor damage. Narrative: pilot departed the north omaha airport on a flight to test an aircraft for the purpose of purchasing it. Some airwork was accomplished enroute to…

## Other aircraft with N9PJ

- [Registered now](https://openairdocs.org/aircraft/N9PJ): Cirrus Design SR22, S/N 3240, built 2008

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