# NTSB LAX80FUG15: Bell 47G3B1, N7923S, Yucaipa, CA, December 19, 1979

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: December 19, 1979
- Place: Yucaipa, CA · YUCAIPA, CA
- Location: 34.0336° N, 117.0429° W: Placed by OpenAirDocs: center of Yucaipa, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.0336&lon=-117.0429&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report February 12, 1982
- Report: Brief approved by the director
- NTSB case key (mKey): 132141
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80FUG15
- Page: https://openairdocs.org/ntsb/LAX80FUG15

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4027  79/12/19   YUCAIPA,CA          BELL 47G3B1         CR-  0  1  1  INSTRUCTIONAL             ATP,FLIGHT INSTR., AGE
        TIME - 1430                    N7923S              PX-  0  0  0  DUAL                      32, 3833 TOTAL HOURS, 94
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          RIVERSIDE,CA                LOCAL                        YUCAIPA,CA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDETERMINED                                             TAKEOFF: VERTICAL
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ENG SURGED,LOST ALT,TURNED TO MISS PWRLINES
```

## Aircraft

- Registration: [N7923S](https://openairdocs.org/deregistered/N7923S-2017-03-10), registration cancelled 2017-03-10, S/N 6594, built 1966 (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Registry model: [Bell 47G-3B-1](https://openairdocs.org/model/bell-47g-3b-1) (registry code 1181028) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## 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 19791219034609A](https://openairdocs.org/incident/19791219034609A), Dec 19, 1979: Bell 47G3B1, Yucaipa, CA, Substantial damage. Pilot claims engine failure. No malfunction found. Aircraft made hard landing on autoration.

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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