# NTSB LAX73FUD11: Bell 206B, N48531, Glassel Prk, CA, June 25, 1973

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 25, 1973
- Place: Glassel Prk, CA · GLASSEL PRK, CA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report December 18, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189877
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX73FUD11
- Page: https://openairdocs.org/ntsb/LAX73FUD11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3275  73/6/25    GLASSEL PRK,CALIF   BELL 206B           CR-  0  1  0  NONCOMMERCIAL             COMMERCIAL, AGE 47, 11000
        TIME - 0919                    N48531              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 35 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BURBANK,CALIF               SAN CLEMENTE,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: AUTOROTATIVE DESCENT
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: ENGINE DRIVE SHAFT
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE TEMPERATURE
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- INPUT SHAFT FWD COUPLING(P/N2060401085) & DRAG PIN ASSY(P/N2060315095).ABT 200FT AGL.
```

## Aircraft

- Registration: N48531 (not matched to a registry record)
- Reported make and model: BELL 206B
- Category: Helicopter
- Engines: turbo shaft
- 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 19730625022229A](https://openairdocs.org/incident/19730625022229A), Jun 25, 1973: Bell 206B1, Glassel Prk, CA, Substantial damage. Input shaft fwd coupling(P/N2060401085) & drag pin assy(P/N2060315095).abt 200FT AGL.

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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