# NTSB MKC66F0260: Mooney M21, N5544Q, Mitchell, SD, September 14, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 14, 1965
- Place: Mitchell, SD · MITCHELL, SD
- Location: 43.7281° N, 98.0414° W: Placed by OpenAirDocs: center of Mitchell, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.7281&lon=-98.0414&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 20, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 175505
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC66F0260
- Page: https://openairdocs.org/ntsb/MKC66F0260

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3957  65/9/14    MITCHELL S DAK      MOONEY M21          CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 44, 1750
        TIME - 1000                    N5544Q              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MITCHELL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - LACK OF LUBRICATION-SPECIFIC PART,NOT SYSTEM
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - CIRCUIT BREAKER POPPED
        REMARKS- LANDING GEAR MOTOR ACTUATOR UNIT STICKING CAUSING CIRCUIT BREAKER TO TRIP PRIOR TO FULL GR EXTENSN
```

## Aircraft

- Registration: [N5544Q](https://openairdocs.org/deregistered/N5544Q-1976-10-12), registration cancelled 1976-10-12, S/N 625 (OpenAirDocs)
- Reported make and model: MOONEY M21
- Registry model: [Mooney M20E](https://openairdocs.org/model/mooney-m20e) (registry code 5870212) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mitchell

## Other investigations on N5544Q (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 CHI71AC074](https://openairdocs.org/ntsb/CHI71AC074), Apr 8, 1971: Mooney M20E (N5544Q), Willoughby, OH, destroyed, 4 fatal

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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