# NTSB SEA68D0246: Maule M-4, N4621T, Idaho Falls, ID, January 20, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 20, 1968
- Place: Idaho Falls, ID · IDAHO FALLS, ID
- Location: 43.4896° N, 112.0353° W: Placed by OpenAirDocs: center of Idaho Falls, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.4896&lon=-112.0353&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 13, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 111549
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA68D0246
- Page: https://openairdocs.org/ntsb/SEA68D0246

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3261  68/1/20    IDAHO FALLS,ID      MAULE M-4           CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 39, 1452
        TIME - 1350                    N4621T              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 25 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
        FACTOR(S)
           TERRAIN - SNOW-COVERED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
```

## Aircraft

- Registration: [N4621T](https://openairdocs.org/aircraft/N4621T), registered now, S/N 1033, built 1965 (OpenAirDocs)
- Reported make and model: MAULE M-4
- 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

## Other investigations on N4621T (4)

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 DEN04LA029](https://openairdocs.org/ntsb/DEN04LA029), Dec 13, 2003: Maule M-4-210 (N4621T), Elbert, CO, substantial damage. Probable cause: the pilot's failure to maintain directional control of the airplane. A contributing factor was his inexperience in aircraft type.
- [NTSB SEA69D0232](https://openairdocs.org/ntsb/SEA69D0232), May 3, 1969: Maule M4-210 (N4621T), Dubois, ID, substantial damage
- [NTSB DEN67F0202](https://openairdocs.org/ntsb/DEN67F0202), Jan 29, 1967: Maule M4-210 (N4621T), Ogden, UT, substantial damage
- [NTSB OAK67F0053](https://openairdocs.org/ntsb/OAK67F0053), Jul 4, 1966: Maule M-4 (N4621T), Black Springs, NV, 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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