# NTSB ANC81DAG55: Maule M-5, N5633H, Alexander Crk, AK, July 28, 1981

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 28, 1981
- Place: Alexander Crk, AK · ALEXANDER CRK, AK
- Location: 61.4218° N, 150.5999° W: Placed by OpenAirDocs: center of Alexander Creek, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.4218&lon=-150.5999&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed, report October 6, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124626
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC81DAG55
- Page: https://openairdocs.org/ntsb/ANC81DAG55

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1865  81/7/28    ALEXANDER CRK,AK    MAULE M-5           CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 32, 528
        TIME - 1700                    N5633H              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 13 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ALEXANDER CRK
        DEPARTURE POINT             INTENDED DESTINATION
          ALEXANDER LAKE,AK           ALEXANDER CRK,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: FLOAT ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           AIRFRAME - LANDING GEAR: OTHER
           SYSTEMS - ELECTRICAL SYSTEM: RELAYS AND WIRING
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- R WTR RUDDER ON FLOAT EQUIPPED ACFT EXTDD,BOTH WTR RUDDERS INDCD UP.ELEC WIRE LOOSE IN INDCR SYS.
```

## Aircraft

- Registration: [N5633H](https://openairdocs.org/aircraft/N5633H), registered now, S/N 7268C, built 1979 (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
- Airport: Alexander Crk

## 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 19810728045399A](https://openairdocs.org/incident/19810728045399A), Jul 28, 1981: Maule M5180C, Alexander Creek, AK, Substantial damage. Landed with water rudders extended. Airplane flipped over. Found water rudder position indicator inoperative.

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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