# NTSB ANC71DAD06: Hiller 12E, N1847, Juneau, AK, April 15, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 15, 1971
- Place: Juneau, AK · JUNEAU, AK
- Location: 58.3019° N, 134.4197° W: Placed by OpenAirDocs: center of Juneau, AK, within about 29 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=58.3019&lon=-134.4197&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 27, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 160994
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71DAD06
- Page: https://openairdocs.org/ntsb/ANC71DAD06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1246  71/4/15    JUNEAU,ALAS         HILLER 12E          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1015                    N1847               PX-  0  0  0  DUAL                      AGE 31, 4292 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            607 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          JUNEAU,ALAS                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           DUAL STUDENT - MISJUDGED SPEED AND ALTITUDE
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        REMARKS- DURG PRACTICE AUTO TO WATER STUDENT APPLIED EXCESSIVE AFT CYCLIC,T/R HIT WATER. FLOAT EQPD.
```

## Aircraft

- Registration: N1847 (not matched to a registry record)
- Reported make and model: HILLER 12E
- Category: Helicopter
- Engines: reciprocating
- Damage: 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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