# NTSB MKC69F0432: Hughes 269B, N9486F, St Paul, MN, April 10, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 10, 1969
- Place: St Paul, MN · ST PAUL, MN
- Location: 44.9444° N, 93.0933° W: Placed by OpenAirDocs: center of St. Paul, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9444&lon=-93.0933&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 25, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 189542
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC69F0432
- Page: https://openairdocs.org/ntsb/MKC69F0432

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1134  69/4/10    ST PAUL,MINN        HUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 44, 1308
        TIME - 0740                    N9486F              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 670 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  UNUSUAL NOISE
        REMARKS- PLT AUTOROTATED DUE TO UNUSUAL NOISE.UNCONTROLLABLE ROTATION TO R WHEN ACFT WAS FLARED FOR LDG.
```

## Aircraft

- Registration: [N9486F](https://openairdocs.org/deregistered/N9486F-2013-02-20), registration cancelled 2013-02-20, S/N 1260300, built 1966 (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: Destroyed

## Other investigations on N9486F (1)

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 OAK73FJA02](https://openairdocs.org/ntsb/OAK73FJA02), Jul 10, 1972: Hughes 269B (N9486F), Honolulu, HI, 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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