# NTSB SEA71FDG09: Mooney M20A, Libby, MT, August 13, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 13, 1970
- Place: Libby, MT · LIBBY, MT
- Location: 48.3864° N, 115.5564° W: Placed by OpenAirDocs: center of Libby, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.3864&lon=-115.5564&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report June 11, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 108417
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA71FDG09
- Page: https://openairdocs.org/ntsb/SEA71FDG09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
E-0010  70/8/13    LIBBY,MONT          MOONEY M20A         CR-  0  0  1  NONCOMMERCIAL             CERTIFICATE OTHER, AGE
        TIME - 1500                    CF-WKP              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  34, 300 TOTAL HOURS, 95
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LIBBY
        DEPARTURE POINT             INTENDED DESTINATION
          SEATTLE,WASH                LIBBY,MONT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - NOT ALIGNED WITH RUNWAY/INTENDED LANDING AREA
           WEATHER - DOWNDRAFT,UPDRAFTS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    12000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- CANADIAN PLT CERT.PIVOT ARM ATTACHMENT WELD CLUSTER FAILED.
```

## Aircraft

- Registration: CF-WKP (not matched to a registry record)
- Reported make and model: MOONEY M20A
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Libby

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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