# NTSB ANC71FAG23: Maule M4-210, N4604T, Glennallen, AK, September 13, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 13, 1970
- Place: Glennallen, AK · GLENNALLEN, AK
- Location: 62.1092° N, 145.5464° W: Placed by OpenAirDocs: center of Glennallen, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=62.1092&lon=-145.5464&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report June 30, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 147805
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71FAG23
- Page: https://openairdocs.org/ntsb/ANC71FAG23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3790  70/9/13    GLENNALLEN,ALAS     MAULE M4-210        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 33, 684
        TIME - 0800                    N4604T              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 533 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LAKE LOUISE
        DEPARTURE POINT             INTENDED DESTINATION
          GLENNALLEN,ALAS             ANCHORAGE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: OBJECT                                    LANDING: OTHER
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        REMARKS- BOTH PLUGS NR 1 CYL AND 1 PLUG NR 3 CYL DIDNT FIRE. SETTLED BACK TO ROAD,HIT OIL DRUMS.
```

## Aircraft

- Registration: [N4604T](https://openairdocs.org/aircraft/N4604T), registered now, S/N 1017, built 1965 (OpenAirDocs)
- Reported make and model: MAULE M4-210
- Registry model: [Maule M-4-210](https://openairdocs.org/model/maule-m-4-210) (registry code 5460108) (OpenAirDocs)
- Registry engine: [Continental IO-360 series](https://openairdocs.org/engine/continental-io-360-series) (registry code 17025, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lake Louise

## Other investigations on N4604T (2)

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 LAX70FUA26](https://openairdocs.org/ntsb/LAX70FUA26), May 27, 1970: Maule M-4 (N4604T), San Clemnte, CA, substantial damage
- [NTSB LAX66F0121](https://openairdocs.org/ntsb/LAX66F0121), Jul 3, 1965: Maule M-4 (N4604T), Moorpark, CA, substantial damage

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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