# NTSB CHI77FEM26: Hughes 269B, N9423F, Evart, MI, May 30, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 30, 1977
- Place: Evart, MI · EVART, MI
- Location: 43.8984° N, 85.2712° W: Placed by OpenAirDocs: center of Evart, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.8984&lon=-85.2712&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 21, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147377
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI77FEM26
- Page: https://openairdocs.org/ntsb/CHI77FEM26

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3150  77/5/30    EVART, MI           HUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1500                    N9423F              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  AGE 46, 727 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            362 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          EVART, MI                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: ON GROUND                              LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - MISCELLANEOUS UNITS AND ASSEMBLIES: TAIL BOOMS/PYLONS/CONES
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        REMARKS- TAIL BOOM CENTER ATTACH FITTING P/N 269A-2324-7 FAILED WHILE ACFT WAS HOVERING.
```

## Aircraft

- Registration: [N9423F](https://openairdocs.org/aircraft/N9423F), registered now, S/N 65-0207, built 1965 (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

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19770530014149A](https://openairdocs.org/incident/19770530014149A), May 30, 1977: Hughes 269B, Evart, MI, Substantial damage. Tail boom center attach fitting p/n 269A-2324-7 failed while acft was hovering.

## Other investigations on N9423F (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 OAK67A0026](https://openairdocs.org/ntsb/OAK67A0026), Aug 23, 1966: Hughes 269B (N9423F), Minden, NV, 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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