# N7636B: 1951 Hiller UH-12A, registration cancelled 2017-10-30

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 30, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Hiller UH-12A](https://openairdocs.org/model/hiller-uh-12a) (registry code 4360104)
- Engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033)
- Data sheets: [TCDS 6H1](https://openairdocs.org/tcds/6H1), [TCDS E-244](https://openairdocs.org/tcds/E-244) (OpenAirDocs)
- Serial number: 51-16107
- Year built: 1951
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard
- Airworthiness date: December 10, 1963
- Certificate issued: March 10, 1993
- Last registry action: April 28, 2011
- Mode S code: AA4FD9
- Owner when cancelled: [Lacy Glenn M](https://openairdocs.org/faa-owner/LACY%20GLENN%20M)
- Location: [Bedford, VA](https://openairdocs.org/faa-place/VA/Bedford)
- Owner type: Individual
- Owner's area on the map: 37.3369° N, 79.5257° W: Placed by OpenAirDocs at the center of ZIP code 24523, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N7636B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7636B
- Page: https://openairdocs.org/deregistered/N7636B-2017-10-30

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 Hiller UH-12A: https://openairdocs.org/model/hiller-uh-12a.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 CHI74FEV49](https://openairdocs.org/ntsb/CHI74FEV49), May 1, 1974: Hiller Acft UH-12A (N7636B), Springfield, IL, substantial damage

## 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 19740501013629A](https://openairdocs.org/incident/19740501013629A), May 1, 1974: Hiller UH12A (N7636B), Springfield, IL, Substantial damage. Not rotorcraft rated. Adjusted blade trim tab improperly. Struck tail on expedited ldg.m/r hit tail.

---
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.