# NTSB DEN73DTC06: Maule M4220C, N40331, Jackson, WY, August 12, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 12, 1972
- Place: Jackson, WY · JACKSON, WY
- Location: 43.4719° N, 110.7753° W: Placed by OpenAirDocs: center of Jackson, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.4719&lon=-110.7753&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 21, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 163342
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN73DTC06
- Page: https://openairdocs.org/ntsb/DEN73DTC06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2310  72/8/12    JACKSON,WYO         MAULE M4220C        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1520                    N40331              PX-  0  0  0  BUSINESS                  AGE 26, 1235 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            53 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - JACKSON HOLE
        DEPARTURE POINT             INTENDED DESTINATION
          JACKSON,WYO                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- SEL RWY BEING USED BY GLIDER OPNS.GLIDER ON RWY.
```

## Aircraft

- Registration: [N40331](https://openairdocs.org/aircraft/N40331), registered now, S/N 2106C, 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 6V 350 series](https://openairdocs.org/engine/franklin-6v-350-series) (registry code 27043, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Jackson Hole

## Other investigations on N40331 (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 NYC76FHJ17](https://openairdocs.org/ntsb/NYC76FHJ17), Mar 14, 1976: Maule M4220C (N40331), Brookhaven, NY, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
