# N11SW: Wolkoff-Pitts SC1, registration cancelled 1997-09-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 4, 1997
- Status when cancelled: Triennial form not returned
- Airframe: [Wolkoff-Pitts SC1](https://openairdocs.org/model/wolkoff-pitts-sc1) (registry code 722021A)
- Serial number: P1802
- Type of aircraft: Fixed wing single engine
- Certificate issued: May 10, 1994
- Last registry action: May 21, 1997
- Mode S code: A02B7F
- Owner when cancelled: [Olsten Richard K](https://openairdocs.org/faa-owner/OLSTEN%20RICHARD%20K)
- Location: [Wailuku, HI](https://openairdocs.org/faa-place/HI/Wailuku)
- Owner type: Individual
- Owner's area on the map: 20.8956° N, 156.5298° W: Placed by OpenAirDocs at the center of ZIP code 96793, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N11SW
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=11SW
- Page: https://openairdocs.org/deregistered/N11SW-1997-09-04

From the FAA registry file of October 28, 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 Wolkoff-Pitts SC1: https://openairdocs.org/model/wolkoff-pitts-sc1.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 MKC78DCG55](https://openairdocs.org/ntsb/MKC78DCG55), Aug 5, 1978: Pitts S-1 (N11SW), Olathe, KS, 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.

- [Incident 19890226008689I](https://openairdocs.org/incident/19890226008689I), Feb 26, 1989: Amtrpt PITTSSPECS1C (N11SW), Kahului, HI, Minor damage. Lost directional control on rollout. Right brake stuck due to dirty anti spin pins.

## Other aircraft with N11SW

- [Registered now](https://openairdocs.org/aircraft/N11SW): Burkhart Grob Flugzeugbau STANDARD CIRRUS, S/N 243G, built 1972

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