# N80HB: Humphrey W A/Blalock M K PITTS S-1, registration cancelled 1991-04-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 4, 1991
- Status when cancelled: Triennial form undeliverable
- Airframe: [Humphrey W A/Blalock M K PITTS S-1](https://openairdocs.org/model/humphrey-w-a-blalock-m-k-pitts-s-1) (registry code 7220784)
- Serial number: 5837BH
- Type of aircraft: Fixed wing single engine
- Certificate issued: January 16, 1987
- Last registry action: March 30, 1991
- Mode S code: AAE035
- Owner when cancelled: [Nelson James R II](https://openairdocs.org/faa-owner/NELSON%20JAMES%20R%20II)
- Location: [Uniontown, PA](https://openairdocs.org/faa-place/PA/Uniontown)
- Owner type: Individual
- Owner's area on the map: 39.9007° N, 79.7479° W: Placed by OpenAirDocs at the center of ZIP code 15401, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N80HB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=80HB
- Page: https://openairdocs.org/deregistered/N80HB-1991-04-04

From the FAA registry file of November 5, 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 Humphrey W A/Blalock M K PITTS S-1: https://openairdocs.org/model/humphrey-w-a-blalock-m-k-pitts-s-1.md

## 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 19840630035459I](https://openairdocs.org/incident/19840630035459I), Jun 30, 1984: Amtrpt PITTSSPECS1 (N80HB), Pine Bluff, AR, Minor damage. Ran off the downwind side of the runway while landing in a moderate crosswind.

## Other aircraft with N80HB

- [Registered now](https://openairdocs.org/aircraft/N80HB): Cessna 525C, S/N 525C0017, built 2010

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