# NTSB MKC68F0506: Hughes 269B, N9487F, St Paul, MN, March 28, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 28, 1968
- 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: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 16, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 111185
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC68F0506
- Page: https://openairdocs.org/ntsb/MKC68F0506

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0849  68/3/28    ST PAUL,MINN        HUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1530                    N9487F              PX-  0  0  1  CORP/EXEC                 AGE 37, 1300 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            300 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - LAMETTI-SONS PVT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            STATIC: IDLING ROTORS
        PROBABLE CAUSE(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      74
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          260                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- DURING DECELERATION OF M/R BLADES,WINDS 20K-GUSTS TO 30K,CAUSED BLADE TO STRIKE T/R AND TAIL BOOM.
```

## 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
- Airport: Lametti-Sons Pvt

## 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 MKC71DDM18](https://openairdocs.org/ntsb/MKC71DDM18), May 2, 1970: Hughes 269B (N9487F), Crosby, 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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