# NTSB ANC66A0048: Hiller UH-12E, N9770C, Fairbanks, AK, June 7, 1966

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 7, 1966
- Place: Fairbanks, AK · FAIRBANKS, AK
- Location: 64.8378° N, 147.7164° W: Placed by OpenAirDocs: center of Fairbanks, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=64.8378&lon=-147.7164&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 3 uninjured
- Status: Completed, report February 16, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 171593
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC66A0048
- Page: https://openairdocs.org/ntsb/ANC66A0048

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0526   66/6/7    FAIRBANKS ALAS      HILLER UH-12E       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 43, 754
        TIME - 1710                    N9770C              PX-  0  0  3  AIR TAXI-PASSG            TOTAL HOURS, 82 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FOREST CLEARING
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     TAXI: AERIAL TAXI TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        REMARKS- LOG HELIPAD BORDERED BY TREES 40-60 FT TALL AT DOWNWIND END OF 50 BY 100 FT CLEARING.PSGRS FIREMEN
```

## Aircraft

- Registration: [N9770C](https://openairdocs.org/deregistered/N9770C-1993-07-29), registration cancelled 1993-07-29, S/N 2160 (OpenAirDocs)
- Reported make and model: HILLER UH-12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Forest Clearing

## Other investigations on N9770C (6)

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 LAX83LA360](https://openairdocs.org/ntsb/LAX83LA360), Jul 27, 1983: Hiller 12E (N9770C), Los Banos, CA, destroyed
- [NTSB LAX80DVA22](https://openairdocs.org/ntsb/LAX80DVA22), Mar 8, 1980: Hiller UH-12E (N9770C), Merced, CA, substantial damage
- [NTSB OAK76FVM47](https://openairdocs.org/ntsb/OAK76FVM47), Sep 10, 1976: Hiller Acft UH-12E (N9770C), Salinas, CA, substantial damage
- [NTSB OAK75FVM27](https://openairdocs.org/ntsb/OAK75FVM27), Apr 17, 1975: Hiller Acft UH-12E (N9770C), King City, CA, substantial damage
- [NTSB LAX74FUM12](https://openairdocs.org/ntsb/LAX74FUM12), Nov 19, 1973: Hiller Acft UH-12E (N9770C), Brawley, CA, substantial damage
- [NTSB ANC67A0065](https://openairdocs.org/ntsb/ANC67A0065), Jun 22, 1967: Hiller Acft UH12E4 (N9770C), Eagle, AK, substantial damage

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.

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