# NTSB DEN73DQA41: Cessna 170, N3947V, Los Alamos, NM, May 16, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 16, 1973
- Place: Los Alamos, NM · LOS ALAMOS, NM
- Location: 35.8940° N, 106.2900° W: Placed by OpenAirDocs: center of Los Alamos, NM, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.8940&lon=-106.2900&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 25, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 190569
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN73DQA41
- Page: https://openairdocs.org/ntsb/DEN73DQA41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1171  73/5/16    LOS ALAMOS,N MEX    CESSNA 170          CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1620                    N3947V              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  36, 3870 TOTAL HOURS, 20
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LOS ALAMOS
        DEPARTURE POINT             INTENDED DESTINATION
          ALBUQUERQUE,N MEX           LOS ALAMOS,N MEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: SNOWBANK                                  LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT QUARTERING TAIL WIND 203-247 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           74                                                       60
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           12                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- HAD TO LND RWY 26 DUE TERRAIN IN AREA.
```

## Aircraft

- Registration: [N3947V](https://openairdocs.org/aircraft/N3947V), registered now, S/N 18266, built 1948 (OpenAirDocs)
- Reported make and model: CESSNA 170
- Registry model: [Cessna 170](https://openairdocs.org/model/cessna-170) (registry code 2072302) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Los Alamos

## 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 19730516012249A](https://openairdocs.org/incident/19730516012249A), May 16, 1973: Cessna 170, Los Alamos, NM, Substantial damage. Had to lnd rwy 26 due terrain in area.

## Other investigations on N3947V (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 UNK65X0836](https://openairdocs.org/ntsb/UNK65X0836), Nov 25, 1964: Cessna 170 (N3947V), Freeman, SD, destroyed

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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