# NTSB OAK70D0024: Cougar 125-A, N73637, Lower Lake, CA, May 25, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 25, 1969
- Place: Lower Lake, CA · LOWER LAKE, CA
- Location: 38.9130° N, 122.6070° W: Placed by OpenAirDocs: center of Lower Lake, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.9130&lon=-122.6070&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 14, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 175618
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK70D0024
- Page: https://openairdocs.org/ntsb/OAK70D0024

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1872  69/5/25    LOWER LAKE,CALIF    COUGAR 125-A        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 43, 680
        TIME - 1300                    N73637              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 93 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - PEARCE FIELD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        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                  WIND VELOCITY-KNOTS
          NONE                                                      10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WIND VARIABLE GUSTING 15K.
```

## Aircraft

- Registration: [N73637](https://openairdocs.org/deregistered/N73637-2013-05-07), registration cancelled 2013-05-07, S/N LSJ-1, built 1963 (OpenAirDocs)
- Reported make and model: COUGAR 125-A
- Registry model: [Cougar A](https://openairdocs.org/model/cougar-a) (registry code 62501B1) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Pearce Field

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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