# N90HS: Holman H L/Sears H O HS 1, registration cancelled 1991-12-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 13, 1991
- Status when cancelled: Triennial form not returned
- Airframe: [Holman H L/Sears H O HS 1](https://openairdocs.org/model/holman-h-l-sears-h-o-hs-1) (registry code 05612TB)
- Serial number: HS001
- Type of aircraft: Fixed wing single engine
- Certificate issued: April 4, 1988
- Last registry action: November 18, 1991
- Mode S code: AC6D93
- Owners when cancelled: [Holman Howard L](https://openairdocs.org/faa-owner/HOLMAN%20HOWARD%20L), [Sears Howard O](https://openairdocs.org/faa-owner/SEARS%20HOWARD%20O)
- Location: [Riverside, CA](https://openairdocs.org/faa-place/CA/Riverside)
- Owner type: Partnership
- Owner's area on the map: 33.9084° N, 117.4013° W: Placed by OpenAirDocs at the center of ZIP code 92504, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N90HS
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=90HS
- Page: https://openairdocs.org/deregistered/N90HS-1991-12-13

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 Holman H L/Sears H O HS 1: https://openairdocs.org/model/holman-h-l-sears-h-o-hs-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 LAX89DUG04](https://openairdocs.org/ntsb/LAX89DUG04), May 27, 1989: Holman/Sears HS-1 (N90HS), Rialto, CA, substantial damage. Probable cause: FAILURE OF THE PILOT TO MAINTAIN SUFFICIENT AIRSPEED, WHILE TURNING AFTER TAKEOFF, WHICH RESULTED IN A STALL/SPIN. CONTRIBUTING FACTORS WERE: IMPROPER PLANNING/DECISION BY THE PILOT BY TEST FLYING AN…

## 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 19890527012939A](https://openairdocs.org/incident/19890527012939A), May 27, 1989: Amtr HS1 (N90HS), Rialto, CA, Substantial damage. Stalled and spun in after starting a low level turn on climbout. Report says first flight of this aircraft.

## Other aircraft with N90HS

- [Registered now](https://openairdocs.org/aircraft/N90HS): Seidel Howard CLASSIC 4, S/N C9710-0210, built 2013
- [Cancelled 2000-12-06](https://openairdocs.org/deregistered/N90HS-2000-12-06): Stanton PITTS S-1S, S/N 7-0233. Triennial form not returned. Owner: [Owens Jim](https://openairdocs.org/faa-owner/OWENS%20JIM), [Frierson, LA](https://openairdocs.org/faa-place/LA/Frierson)

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