# NTSB IAD70AI040: Mooney M20C, N9339V, Manassas, VA, January 24, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 24, 1970
- Place: Manassas, VA · MANASSAS, VA
- Location: 38.7468° N, 77.4826° W: Placed by OpenAirDocs: center of Manassas, VA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.7468&lon=-77.4826&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report March 13, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 147493
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD70AI040
- Page: https://openairdocs.org/ntsb/IAD70AI040

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0013  70/1/24    MANASSAS,VA         MOONEY M20C         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 37, 687
        TIME - 1800                    N9339V              PX-  0  0  3  PRACTICE                  TOTAL HOURS, 80 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MANASSAS DAVIS
        DEPARTURE POINT             INTENDED DESTINATION
          MANASSAS,VA                 MANASSAS,VA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: SNOWBANK                                  LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - AIRPORT SUPERVISORY PERSONNEL: FAILURE TO NOTIFY OF UNSAFE COND/AND OR FAILURE TO MARK OBSTRUCTION
           PERSONNEL - AIRPORT SUPERVISORY PERSONNEL: IMPROPER/INADEQUATE SNOW REMOVAL
        REMARKS- NOTAM NOT IN EFFECT ON SNOW HAZARD.PLT NOT ADVISED AS TO SNOWBANK ON RNWY BY UNICOM.
```

## Aircraft

- Registration: [N9339V](https://openairdocs.org/aircraft/N9339V), registered now, S/N 700005, built 1969 (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: Manassas Davis

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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