# NTSB CHI73FEC14: Hughes 269B, N9552F, Flint, MI, October 31, 1972

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 31, 1972
- Place: Flint, MI · FLINT, MI
- Location: 43.0125° N, 83.6875° W: Placed by OpenAirDocs: center of Flint, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0125&lon=-83.6875&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report April 17, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169177
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI73FEC14
- Page: https://openairdocs.org/ntsb/CHI73FEC14

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4085  72/10/31   FLINT, MICH         HUGHES 269B         CR-  0  0  2  MISCELLANEOUS             COMMERCIAL, AGE 40, 1256
        TIME - 1241                    N9552F              PX-  0  0  0  POLICE PATROL             TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - BISHOP
        DEPARTURE POINT             INTENDED DESTINATION
          FLINT, MICH                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            TAKEOFF: VERTICAL
           COLLIDED WITH: TREES                                     LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ROTATED TO R AFTER LIFT OFF. PLT UN STOP ROTATION,MADE EMERG LDG. FIRST PATROL SINCE DUAL CK OUT.
```

## Aircraft

- Registration: N9552F (not matched to a registry record)
- Reported make and model: HUGHES 269B
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Bishop

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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