# NTSB MKC74FER63: Mooney M20C, N6898U, Crystal, MN, June 29, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 29, 1974
- Place: Crystal, MN · CRYSTAL, MN
- Location: 45.0373° N, 93.3595° W: Placed by OpenAirDocs: center of Crystal, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.0373&lon=-93.3595&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report October 24, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 130685
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC74FER63
- Page: https://openairdocs.org/ntsb/MKC74FER63

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2947  74/6/29    CRYSTAL,MINN        MOONEY M20C         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 350
        TIME - 1400                    N6898U              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 150 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CRYSTAL
        DEPARTURE POINT             INTENDED DESTINATION
          PARK RAPIDS,MINN            CRYSTAL,MINN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR RETRACTED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - FAILED TO ASSURE THE GEAR WAS DOWN AND LOCKED
        FACTOR(S)
           AIRFRAME - LANDING GEAR: LANDING GEAR WARNING AND INDICATING COMPONENTS
        REMARKS- HARD LNDG GR RETRACTED.LOCK NOT FULLY ENGD.GEAR IND LIGHT OUT OF ADJ.
```

## Aircraft

- Registration: [N6898U](https://openairdocs.org/deregistered/N6898U-2019-01-09), registration cancelled 2019-01-09, S/N 2602, built 1963 (OpenAirDocs)
- Reported make and model: MOONEY M20C
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Crystal

## 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 19740629028079A](https://openairdocs.org/incident/19740629028079A), Jun 29, 1974: Mooney M20C, Crystal, MN, Substantial damage. Hard lndg gr retracted. Lock not fully engd. Gear ind light out of adj.

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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