# NTSB DEN70D0146: Bell 47J-2A, N73202, Montrose, CO, August 23, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 23, 1969
- Place: Montrose, CO · MONTROSE, CO
- Location: 38.4688° N, 107.8590° W: Placed by OpenAirDocs: center of Montrose, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.4688&lon=-107.8590&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report January 26, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 159664
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN70D0146
- Page: https://openairdocs.org/ntsb/DEN70D0146

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2808  69/8/23    MONTROSE,COLO       BELL 47J-2A         CR-  0  0  2  COMMERCIAL                COMMERCIAL, AGE 33, 7600
        TIME - 1030                    N73202              PX-  0  0  0  OTHER                     TOTAL HOURS, 200 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MONTROSE COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          MONTROSE,COLO               MONTROSE,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            TAKEOFF: INITIAL CLIMB
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: OTHER
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: FREE WHEEL UNIT
           MISCELLANEOUS ACTS,CONDITIONS - BINDING
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
                                  UNUSUAL NOISE
        REMARKS- FILMING MOVIE.MAST PILOT BEARING LOCKED,FREE WHELING UNIT SLIPPED,ENG OVERSPED.M/R HIT TAIL ON LDG
```

## Aircraft

- Registration: [N73202](https://openairdocs.org/deregistered/N73202-1988-08-03), registration cancelled 1988-08-03, S/N 1850 (OpenAirDocs)
- Reported make and model: BELL 47J-2A
- Registry model: [Bell 47J-2](https://openairdocs.org/model/bell-47j-2) (registry code 1181104) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Montrose County

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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