# NTSB CHI78FEP01: Hughes 269C, N7436F, Cottage Grove, WI, October 6, 1977

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 6, 1977
- Place: Cottage Grove, WI · COTTAGE GROVE, WI
- Location: 43.0924° N, 89.2052° W: Placed by OpenAirDocs: center of Cottage Grove, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.0924&lon=-89.2052&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report December 9, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145373
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI78FEP01
- Page: https://openairdocs.org/ntsb/CHI78FEP01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3281   77/10/6   COTTAGE GROVE,WI    HUGHES 269C         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, AGE 35, 3315
        TIME - 1004                    N7436F              PX-  0  0  0  DUAL                      TOTAL HOURS, 60 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MADISON,WI                  MADISON,WI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           DUAL STUDENT - CONTROL INTERFERENCE
        REMARKS- STUDENT'S LEG BLOCKED CONTROLS
```

## Aircraft

- Registration: [N7436F](https://openairdocs.org/deregistered/N7436F-2012-07-10), registration cancelled 2012-07-10, S/N 360475, built 1976 (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (registry code 4470504) (OpenAirDocs)
- Registry engine: [Lycoming HO-360 series](https://openairdocs.org/engine/lycoming-ho-360-series) (registry code 41513, 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 19771006034839A](https://openairdocs.org/incident/19771006034839A), Oct 6, 1977: Hughes 269C, Cottage Grove, WI, Substantial damage. Student's leg blocked controls

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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