# N121ST: Hacker Stephen W GLASAIR III, registration cancelled 1992-02-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 27, 1992
- Status when cancelled: Administratively canceled
- Airframe: [Hacker Stephen W GLASAIR III](https://openairdocs.org/model/hacker-stephen-w-glasair-iii) (registry code 05691AU)
- Serial number: 3157
- Type of aircraft: Fixed wing single engine
- Certificate issued: May 21, 1990
- Last registry action: February 27, 1992
- Mode S code: A0590B
- Owner when cancelled: [Hacker Stephen W](https://openairdocs.org/faa-owner/HACKER%20STEPHEN%20W)
- Location: [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque)
- Owner type: Individual
- Owner's area on the map: 35.1408° N, 106.5146° W: Placed by OpenAirDocs at the center of ZIP code 87111, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N121ST
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=121ST
- Page: https://openairdocs.org/deregistered/N121ST-1992-02-27

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 Hacker Stephen W GLASAIR III: https://openairdocs.org/model/hacker-stephen-w-glasair-iii.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 LAX92LA026](https://openairdocs.org/ntsb/LAX92LA026), Oct 27, 1991: Glassair III (N121ST), Scottsdale, AZ, destroyed, 2 fatal. Probable cause: THE CERTIFIED FLIGHT INSTRUCTORS DECISION TO FLY INTO KNOWN FORECAST WEATHER CONDITIONS SPECIFICALLY PROHIBITED BY THE AIRPLANE'S OWNER'S MANUAL AND DECISION TO ALLOW AN UNQUALIFIED PILOT WITH…

## 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 19911027047989A](https://openairdocs.org/incident/19911027047989A), Oct 27, 1991: Amtr GLASAIR (N121ST), Scottsdale, AZ, Destroyed, 2 fatal. Flew into area of thunderstorms with heavy rain,turbulence and lightning. Lost control. Not certified for IFR.
- [Incident 19910113002689I](https://openairdocs.org/incident/19910113002689I), Jan 13, 1991: Amtr GLASAIR (N121ST), Belen, NM, Minor damage. Nose wheel collapsed on rollout. Slid on its nose to a stop.

## Other aircraft with N121ST

- [Registered now](https://openairdocs.org/aircraft/N121ST): Hylio AG 230, S/N 17906100252
- [Cancelled 2015-05-13](https://openairdocs.org/deregistered/N121ST-2015-05-13): Poellien Gary R ADVCD AVIA BUCCNR SX, S/N BUC.SX.0027. Registration expired, pending cancellation. Owner: [Poellien Gary R](https://openairdocs.org/faa-owner/POELLIEN%20GARY%20R), [Rockledge, FL](https://openairdocs.org/faa-place/FL/Rockledge)

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