# NTSB CHI77FEK20: Hiller UH-12E, N5376V, Columbus, OH, May 19, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 19, 1977
- Place: Columbus, OH · COLUMBUS, OH
- Location: 39.9612° N, 82.9988° W: Placed by OpenAirDocs: center of Columbus, OH, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9612&lon=-82.9988&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report June 29, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 158337
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI77FEK20
- Page: https://openairdocs.org/ntsb/CHI77FEK20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0969  77/5/19    COLUMBUS,OH         HILLER UH-12E       CR-  0  0  2  MISCELLANEOUS             COMMERCIAL, AGE 32, 3680
        TIME - 1515                    N5376V              PX-  0  0  0  TEST                      TOTAL HOURS, 2200 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HELI MINIT MEN
        DEPARTURE POINT             INTENDED DESTINATION
          COLUMBUS,OH                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            LANDING: FINAL APPROACH
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON WATER
        REMARKS- COTTER KEY LEFT OUT OF BOLT & NUT BY MECHANIC.
```

## Aircraft

- Registration: [N5376V](https://openairdocs.org/deregistered/N5376V-2012-09-20), registration cancelled 2012-09-20, S/N 2058, built 1960 (OpenAirDocs)
- Reported make and model: HILLER 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
- Airport: Heli Minit Men

## 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 19770519012419A](https://openairdocs.org/incident/19770519012419A), May 19, 1977: Hiller UH12E, Columbus, OH, Substantial damage. Cotter key left out of bolt & nut by mechanic.

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.
