# N9073Q: 1981 Robinson Helicopter R22, registration cancelled 2011-04-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 27, 2011
- Status when cancelled: Registration pending, pending cancellation
- Airframe: [Robinson Helicopter R22](https://openairdocs.org/model/robinson-helicopter-r22) (registry code 7640102)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS H10WE](https://openairdocs.org/tcds/H10WE), [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 0227
- Year built: 1981
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: November 10, 1981
- Last registry action: August 17, 2005
- Mode S code: AC8BFD
- Location: [San Leandro, CA](https://openairdocs.org/faa-place/CA/San%20Leandro)
- Owner type: Individual
- Owner's area on the map: 37.7167° N, 122.1694° W: Placed by OpenAirDocs at the center of ZIP code 94577, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9073Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9073Q
- Page: https://openairdocs.org/deregistered/N9073Q-2011-04-27

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 Robinson Helicopter R22: https://openairdocs.org/model/robinson-helicopter-r22.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 LAX82FA012](https://openairdocs.org/ntsb/LAX82FA012), Nov 11, 1981: Robinson R22 (N9073Q), Livermore, CA, destroyed, 2 fatal

## 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 19811111072959A](https://openairdocs.org/incident/19811111072959A), Nov 11, 1981: Robsin R22 (N9073Q), Livermore, CA, Destroyed. Demonstrating autorotation to new student. Allowed RPM decay, blade droop caused main rotor tail boom strike.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
