# NTSB MIA77FLT01: Dehavilland OHC-1, N8DW, Walls, MS, January 22, 1977

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: January 22, 1977
- Place: Walls, MS · WALLS, MS
- Location: 34.9256° N, 90.1633° W: Placed by OpenAirDocs: center of Walls, MS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.9256&lon=-90.1633&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report April 26, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 156912
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA77FLT01
- Page: https://openairdocs.org/ntsb/MIA77FLT01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0667  77/1/22    WALLS,MS            DEHAVILLAND OHC-1   CR-  0  1  0  INSTRUCTIONAL             STUDENT, AGE 34, 120
        TIME - 1400                    N8DW                PX-  0  0  0  TRAINING                  TOTAL HOURS, 14 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - TWINKLETOWN
        DEPARTURE POINT             INTENDED DESTINATION
          WALLS,MS                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              LANDING: FINAL APPROACH
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           AIRFRAME - FLIGHT CONTROL SURFACES: FLAP ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - CORRODED/CORROSION
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- L FLAP INBOARD HINGE BKN.HINGE RUSTED,SLACK IN CABLE ALLOWED BOTH FLAPS TO RETRACT.
```

## Aircraft

- Registration: [N8DW](https://openairdocs.org/aircraft/N8DW), registered now, S/N F354, built 1951 (OpenAirDocs)
- Reported make and model: DEHAVILLAND OHC-1
- Registry model: [Dehavilland DHC-1](https://openairdocs.org/model/dehavilland-dhc-1) (registry code 2801702) (OpenAirDocs)
- Registry engine: [Lycoming IO-540 series](https://openairdocs.org/engine/lycoming-io-540-series) (registry code 41530, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Twinkletown

## 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 19770122001219A](https://openairdocs.org/incident/19770122001219A), Jan 22, 1977: Dhav DHC1B2, Walls, MS, Substantial damage. L flap inboard hinge bkn. Hinge rusted,slack in cable allowed both flaps to retract.

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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