# NTSB ANC75AA001: Hiller Acft UH-12E, N5352V, Ketchikan, AK, July 2, 1974

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 2, 1974
- Place: Ketchikan, AK · KETCHIKAN, AK
- Location: 55.3571° N, 131.6746° W: Placed by OpenAirDocs: center of Ketchikan, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=55.3571&lon=-131.6746&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed, report January 17, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 132573
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC75AA001
- Page: https://openairdocs.org/ntsb/ANC75AA001

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3768   74/7/2  NR.KETCHIKAN,ALAS     HILLER ACFT UH-12E  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 2965
        TIME - 1300                    N5352V              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 300 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         KETCHIKAN,ALAS               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- BEGAN TO SETTLE ABT 50FT ABOVE TREES.ATMTD TO BACK INTO LDG AREA.M/R CONTACTED A TREE.LOST CTL.
```

## Aircraft

- Registration: [N5352V](https://openairdocs.org/deregistered/N5352V-2008-09-24), registration cancelled 2008-09-24, S/N 2027, built 1959 (OpenAirDocs)
- Reported make and model: HILLER ACFT UH-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: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19740702042709A](https://openairdocs.org/incident/19740702042709A), Jul 2, 1974: Hiller UH12C, Ketchikan, AK, Substantial damage. Began to settle abt 50FT above trees. Atmtd to back into ldg area.m/r contacted a tree. Lost ctl.

## Other investigations on N5352V (2)

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 ANC74DAD14](https://openairdocs.org/ntsb/ANC74DAD14), Mar 21, 1974: Hiller Acft UH-12E (N5352V), Ketchikan, AK, substantial damage
- [NTSB ANC68A0045](https://openairdocs.org/ntsb/ANC68A0045), Mar 31, 1968: Hiller UH-12E (N5352V), Wrangell, 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.

---
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.
