# NTSB CHI67A0017: Hughes 269A, N8940F, Joliet, IL, July 28, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 28, 1966
- Place: Joliet, IL · JOLIET, IL
- Location: 41.5250° N, 88.0817° W: Placed by OpenAirDocs: center of Joliet, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.5250&lon=-88.0817&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 31, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 122434
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI67A0017
- Page: https://openairdocs.org/ntsb/CHI67A0017

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0687  66/7/28    JOLIET ILL          HUGHES 269A         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1810                    N8940F              PX-  0  0  0  DUAL                      AGE 36, 1794 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            59 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - JOLIET
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           MISCELLANEOUS                                            LANDING: ROLL-ON/RUN-ON
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: POORLY MAINTAINED RUNWAY SURFACE
        REMARKS- AFTER N8940F SLID ABOUT 300 FT DOWN THE RUNWAY THE MAIN ROTOR SEVERED THE TAIL BOOM.
```

## Aircraft

- Registration: [N8940F](https://openairdocs.org/deregistered/N8940F-2012-11-16), registration cancelled 2012-11-16, S/N 114-0014, built 1964 (OpenAirDocs)
- Reported make and model: HUGHES 269A
- Registry model: [Hughes 269A-1](https://openairdocs.org/model/hughes-269a-1) (registry code 4470404) (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: Joliet

## Other investigations on N8940F (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 CHI68F0768](https://openairdocs.org/ntsb/CHI68F0768), May 18, 1968: Hughes 269B (N8940F), West Dundee, IL, destroyed

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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