# NTSB DEN73DTE61: Maule M4220C, N40634, La Junta, CO, February 25, 1973

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: February 25, 1973
- Place: La Junta, CO · LA JUNTA, CO
- Location: 37.9794° N, 103.5473° W: Placed by OpenAirDocs: center of La Junta, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.9794&lon=-103.5473&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 3 uninjured
- Status: Completed, report April 25, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169890
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN73DTE61
- Page: https://openairdocs.org/ntsb/DEN73DTE61

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0440  73/2/25    LA JUNTA,COLO       MAULE M4220C        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 38, 491
        TIME - 1355                    N40634              PX-  0  0  3  BUSINESS                  TOTAL HOURS, 67 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - LA JUNTA
        DEPARTURE POINT             INTENDED DESTINATION
          FARMINGTON,N MEX            LA JUNTA,COLO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           WEATHER - LOCAL WHIRLWIND
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                 2000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     UNKNOWN/NOT REPORTED
        TEMPERATURE-F                                            WIND VELOCITY-KNOTS
           47                                                       17
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
```

## Aircraft

- Registration: [N40634](https://openairdocs.org/aircraft/N40634), registered now, S/N 2152C, built 1972 (OpenAirDocs)
- Reported make and model: MAULE M4220C
- Registry model: [Maule M-4-220C](https://openairdocs.org/model/maule-m-4-220c) (registry code 5460114) (OpenAirDocs)
- Registry engine: [Franklin 6A-350SER](https://openairdocs.org/engine/franklin-6a-350ser) (registry code 27023, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: La Junta

## 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 19730225004409A](https://openairdocs.org/incident/19730225004409A), Feb 25, 1973: Maule M4T, La Junta, CO, Substantial damage

## Other investigations on N40634 (1)

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 OAK74FXQ01](https://openairdocs.org/ntsb/OAK74FXQ01), Jul 21, 1973: Maule 220-C (N40634), Reno, 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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