# NTSB OAK74DXQ46: Cessna 177B, N30794, Mammoth Lks, CA, June 22, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 22, 1974
- Place: Mammoth Lks, CA · MAMMOTH LKS, CA
- Location: 37.6244° N, 118.9884° W: Placed by OpenAirDocs: center of Mammoth Lakes, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6244&lon=-118.9884&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 31, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 128226
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK74DXQ46
- Page: https://openairdocs.org/ntsb/OAK74DXQ46

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1760  74/6/22    MAMMOTH LKS,CALIF   CESSNA 177B         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 39, 243
        TIME - 1125                    N30794              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 120 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MAMMOTH LAKES
        DEPARTURE POINT             INTENDED DESTINATION
          MAMMOTH LKS,CALIF           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: ROLL
        PROBABLE CAUSE(S)
           WEATHER - LOCAL WHIRLWIND
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        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                                                     UNKNOWN/NOT REPORTED
        TEMPERATURE-F                                            TYPE OF WEATHER CONDITIONS
           70                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
```

## Aircraft

- Registration: [N30794](https://openairdocs.org/aircraft/N30794), registered now, S/N 17701469, built 1970 (OpenAirDocs)
- Reported make and model: CESSNA 177B
- Registry model: [Cessna 177B](https://openairdocs.org/model/cessna-177b) (registry code 2073708) (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: Mammoth Lakes

## 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 19740622018929A](https://openairdocs.org/incident/19740622018929A), Jun 22, 1974: Cessna 177B, Mammoth Lks, CA, Substantial damage

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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