# NTSB MKC71DDM18: Hughes 269B, N9487F, Crosby, MN, May 2, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 2, 1970
- Place: Crosby, MN · CROSBY, MN
- Location: 46.4933° N, 93.9457° W: Placed by OpenAirDocs: center of Crosby, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.4933&lon=-93.9457&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report February 18, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 130702
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC71DDM18
- Page: https://openairdocs.org/ntsb/MKC71DDM18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2143   70/5/2    CROSBY,MINN         HUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 44, 707
        TIME - 1000                    N9487F              PX-  0  0  0  PRACTICE                  TOTAL HOURS, 50 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CROSBY,MINN                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: POWER-OFF AUTOROTATIVE LANDING
           ROLL OVER                                                LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        REMARKS- HIT GND ON TOE OF SKIDS.PWR AND AFT CYCLIC APPLIED.TAIL ROTOR GUARD HIT GND.LOST ANTI-TORQUE CTL.
```

## Aircraft

- Registration: [N9487F](https://openairdocs.org/deregistered/N9487F-2023-01-20), registration cancelled 2023-01-20, S/N 270313, built 1967 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9487F (4)

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 CHI88LA108](https://openairdocs.org/ntsb/CHI88LA108), May 7, 1988: Hughes 269B (N9487F), Minneapolis, MN, substantial damage
- [NTSB CHI84LA274](https://openairdocs.org/ntsb/CHI84LA274), Jul 3, 1984: Hughes 269B (N9487F), Eden Prairie, MN, substantial damage
- [NTSB MKC75FCD22](https://openairdocs.org/ntsb/MKC75FCD22), Oct 30, 1974: Hughes 269B (N9487F), Waterloo, IA, substantial damage
- [NTSB MKC68F0506](https://openairdocs.org/ntsb/MKC68F0506), Mar 28, 1968: Hughes 269B (N9487F), St Paul, MN, 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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