# NTSB NYC75FGM32: Hiller Acft UH-12B, N90424, Beaver Falls, PA, April 1, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 1, 1975
- Place: Beaver Falls, PA · BEAVER FALLS, PA
- Location: 40.7594° N, 80.3226° W: Placed by OpenAirDocs: center of Beaver Falls, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7594&lon=-80.3226&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 10, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148089
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC75FGM32
- Page: https://openairdocs.org/ntsb/NYC75FGM32

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1214   75/4/1    BEAVER FALLS,PA     HILLER ACFT UH-12B  CR-  0  0  1  INSTRUCTIONAL             PRIVATE, AGE 39, 1510
        TIME - 1810                    N90424              PX-  0  0  0  TRAINING                  TOTAL HOURS, 29 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BEAVER CO
        DEPARTURE POINT             INTENDED DESTINATION
          BEAVER FALLS,PA             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: ROLL-ON/RUN-ON
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
        FACTOR(S)
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
           TERRAIN - HIGH OBSTRUCTIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      35
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- DURING FLIGHT PIC STATED THAT THE ENGINE DEVELOPED CARB ICE.HEAT APPLIED ENGINE QUIT,HARD LDG.
```

## Aircraft

- Registration: [N90424](https://openairdocs.org/aircraft/N90424), registered now, S/N 389, built 1951 (OpenAirDocs)
- Reported make and model: HILLER ACFT UH-12B
- Registry model: [Hiller UH-12B](https://openairdocs.org/model/hiller-uh-12b) (registry code 4360110) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Beaver Co

## Other investigations on N90424 (1)

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 NYC76FGM05](https://openairdocs.org/ntsb/NYC76FGM05), Sep 3, 1975: Hiller Acft UH-12B (N90424), Beaver Falls, PA, 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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