# NTSB ANC73FAD01: Hiller 12E, N4415, Annette, AK, August 27, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 27, 1972
- Place: Annette, AK · ANNETTE, AK
- Location: 55.0617° N, 131.5417° W: Placed by OpenAirDocs: center of Annette, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=55.0617&lon=-131.5417&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 17, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 168473
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC73FAD01
- Page: https://openairdocs.org/ntsb/ANC73FAD01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3225  72/8/27    ANNETTE,ALAS        HILLER 12E          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0910                    N4415               PX-  0  0  0  CONSTRUCTION              AGE 27, 2545 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            657 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          JOHNSON COVE,ALAS           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
          PERSONNEL-INADEQUATE SUPERVISION OF WORK CREW.
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
         FIRE AFTER IMPACT
        REMARKS- HIT BY FALLING TREE.NO A/G COMM AVBL.
```

## Aircraft

- Registration: [N4415](https://openairdocs.org/aircraft/N4415), registered now, S/N 2040, built 1960 (OpenAirDocs)
- Reported make and model: HILLER 12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

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.

---
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.