# NTSB UNK73X0100: Cessna 172L, N4257L, Lamacaza, Canada, October 16, 1972

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 16, 1972
- Place: Lamacaza, Canada · LAMACAZA,QUE,CAN, CD
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 serious
- Status: Completed, report March 25, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 169750
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK73X0100
- Page: https://openairdocs.org/ntsb/UNK73X0100

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
6-0094  72/10/16   LAMACAZA,QUE,CAN    CESSNA 172L         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 53, 500
        TIME - 0905                    N4257L              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          CASEY,QUE,CAN               OTTAWA,ONT,CAN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - SNOW
           TERRAIN - HIGH OBSTRUCTIONS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     SNOW SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          UNKNOWN/NOT REPORTED                                     IFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- HIT MOUNTAIN NR PEAK.INVESTIGATED & REPORTED BY CANADIAN GOVT.
```

## Aircraft

- Registration: [N4257L](https://openairdocs.org/deregistered/N4257L-1973-06-22), registration cancelled 1973-06-22, S/N 17254326 (OpenAirDocs)
- Reported make and model: CESSNA 172L
- Registry model: [Cessna 172G](https://openairdocs.org/model/cessna-172g) (registry code 2072420) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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