# N7411N: 1961 Hiller UH-12E, registration cancelled 2018-01-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 8, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122)
- Data sheets: [TCDS 4H11](https://openairdocs.org/tcds/4H11) (OpenAirDocs)
- Serial number: 2110
- Year built: 1961
- Type of aircraft: Rotorcraft
- Airworthiness: Multiple
- Airworthiness date: August 17, 1971
- Certificate issued: August 1, 2008
- Last registry action: March 6, 2012
- Mode S code: A9F8C9
- Owner when cancelled: [Forest Air Services Inc](https://openairdocs.org/faa-owner/FOREST%20AIR%20SERVICES%20INC)
- Location: [Pond Creek, OK](https://openairdocs.org/faa-place/OK/Pond%20Creek)
- Owner type: Corporation
- Owner's area on the map: 36.6451° N, 97.8367° W: Placed by OpenAirDocs at the center of ZIP code 73766, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N7411N
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7411N
- Page: https://openairdocs.org/deregistered/N7411N-2018-01-08

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 Hiller UH-12E: https://openairdocs.org/model/hiller-uh-12e.md

## NTSB investigations (3)

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 DEN89LA084](https://openairdocs.org/ntsb/DEN89LA084), Mar 9, 1989: Hiller UH-12E (N7411N), Golden, CO, substantial damage. Probable cause: IMPROPER IN-FLIGHT PLANNING/DECISION BY THE CFI WHICH RESULTED IN LOSS OF TAIL ROTOR EFFECTIVENESS AND LOSS OF DIRECTIONAL CONTROL. CONTRIBUTING FACTORS WERE HIGH DENSITY ALTITUDE, TAILWIND, AND…
- [NTSB DEN85IA117](https://openairdocs.org/ntsb/DEN85IA117), Apr 17, 1985: Hiller UH-12E (N7411N), Broomfield, CO, incident, minor damage
- [NTSB SEA76DYG73](https://openairdocs.org/ntsb/SEA76DYG73), Aug 10, 1976: Hiller Acft UH-12E (N7411N), Kennewick, WA, substantial damage

## FAA accident and incident reports (5)

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.

- [Incident 20080807847179I](https://openairdocs.org/incident/20080807847179I), Aug 7, 2008: Hiller UH12E (N7411N), Viroqua, WI, Minor damage. (-23) On August 7, 2008, at 1604 local, N7411N, a Hiller UH-12/E flown by [privacy data omitted] (certificated #[privacy data omitted]) just completed spraying…
- [Accident 19890309003449A](https://openairdocs.org/incident/19890309003449A), Mar 9, 1989: Hiller UH12E (N7411N), Golden, CO, Substantial damage. Lost tail rotor efectiveness while hovering after a practice pinnacle approach. Set it down, tail rotor hit a rock.
- [Incident 19850911056569I](https://openairdocs.org/incident/19850911056569I), Sep 11, 1985: Hiller UH12E (N7411N), Broomfield, CO. Pilot flew helicopter in non movement area for 17 minutes without clearence from tower.
- [Incident 19850417022209I](https://openairdocs.org/incident/19850417022209I), Apr 17, 1985: Hiller UH12E (N7411N), Broomfield, CO, Minor damage. Developed high rate of descent during autorotation to power recovery. Struck ground tail low.
- [Accident 19760810026679A](https://openairdocs.org/incident/19760810026679A), Aug 10, 1976: Hiller UH12E (N7411N), Kennewick, WA, Substantial damage. Aux fuel pump not used at time eng-driven pump failed. Op manual states pump should have been on.

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