# NTSB ANC80DAA27: Maule M-5, N388X, Big Delta, AK, September 9, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 9, 1980
- Place: Big Delta, AK · BIG DELTA, AK
- Location: 64.1525° N, 145.8422° W: Placed by OpenAirDocs: center of Big Delta, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=64.1525&lon=-145.8422&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 31, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 128435
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC80DAA27
- Page: https://openairdocs.org/ntsb/ANC80DAA27

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2628   80/9/9  NR.BIG DELTA,AK       MAULE M-5           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1600                    N388X               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 28, 700 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            50 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BIG DELTA,AK                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
        REMARKS- FLOAT EQPD.LNDD DOWNWIND ON LAKE.GUSTING 12K.
```

## Aircraft

- Registration: [N388X](https://openairdocs.org/aircraft/N388X), registered now, S/N 7018C, built 1976 (OpenAirDocs)
- Reported make and model: MAULE M-5
- Registry model: [Maule M-5-235C](https://openairdocs.org/model/maule-m-5-235c) (registry code 5460135) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- 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 19800909044099A](https://openairdocs.org/incident/19800909044099A), Sep 9, 1980: Maule M5235C, Big Delta, AK, Substantial damage. Pilot attempted downwind landing on lake. Float dug in and flipped airplane inverted.

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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