# N4073S: Robinson Helicopter R22 BETA, registration cancelled 1993-02-10

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 10, 1993
- Status when cancelled: Valid registration
- Airframe: [Robinson Helicopter R22 BETA](https://openairdocs.org/model/robinson-helicopter-r22-beta) (registry code 7640110)
- Data sheets: [TCDS H10WE](https://openairdocs.org/tcds/H10WE) (OpenAirDocs)
- Serial number: 1889
- Type of aircraft: Rotorcraft
- Certificate issued: September 16, 1991
- Last registry action: September 19, 1991
- Mode S code: A4C974
- Owner when cancelled: [Helicopters International Inc](https://openairdocs.org/faa-owner/HELICOPTERS%20INTERNATIONAL%20INC)
- Location: [Spring, TX](https://openairdocs.org/faa-place/TX/Spring)
- Owner type: Corporation
- Owner's area on the map: 30.0395° N, 95.5344° W: Placed by OpenAirDocs at the center of ZIP code 77379, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4073S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4073S
- Page: https://openairdocs.org/deregistered/N4073S-1993-02-10

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 Robinson Helicopter R22 BETA: https://openairdocs.org/model/robinson-helicopter-r22-beta.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 FTW92FA224](https://openairdocs.org/ntsb/FTW92FA224), Sep 5, 1992: Robinson R22 (N4073S), Alpine, TX, destroyed, 1 fatal. Probable cause: Failure by the pilot-in-command, for unknown reasons, to maintain sufficient altitude to clear surrounding terrain. Factors were mountainous terrain and high density altitude.

## 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 19920905035369A](https://openairdocs.org/incident/19920905035369A), Sep 5, 1992: Robsin R22BETA (N4073S), Alpine, TX, Destroyed, 1 fatal. Struck mountainside. Over gross weight and high density altitude factors.

## Other aircraft with N4073S

- [Cancelled 2005-01-21](https://openairdocs.org/deregistered/N4073S-2005-01-21): Eurocopter AS 350 BA, S/N 3041. Exported to Canada. Owner: [Sunshine Helicopters Inc](https://openairdocs.org/faa-owner/SUNSHINE%20HELICOPTERS%20INC), [Kahului, HI](https://openairdocs.org/faa-place/HI/Kahului)

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