# NTSB FTW69F0368: Lake LA-4, N7615L, Quinlan, TX, January 7, 1969

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: January 7, 1969
- Place: Quinlan, TX · QUINLAN, TX
- Location: 32.9090° N, 96.1313° W: Placed by OpenAirDocs: center of Quinlan, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.9090&lon=-96.1313&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report June 2, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 191174
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW69F0368
- Page: https://openairdocs.org/ntsb/FTW69F0368

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0578   69/1/7    QUINLAN,TEX         LAKE LA-4           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1730                    N7615L              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 42, 7520 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            10 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - RABBIT COVE STRIP
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- ACFT PITCHED UP SHARPLY AFTER T/O. PLT LOST CONTROL. ACFT SANK IN LAKE.
```

## Aircraft

- Registration: [N7615L](https://openairdocs.org/deregistered/N7615L-2024-01-13), registration cancelled 2024-01-13, S/N 388, built 1968 (OpenAirDocs)
- Reported make and model: LAKE LA-4
- Registry model: [Lake LA-4](https://openairdocs.org/model/lake-la-4) (registry code 5110302) (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: Rabbit Cove Strip

## Other investigations on N7615L (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 WPR21LA312](https://openairdocs.org/ntsb/WPR21LA312), Aug 3, 2021: Lake LA-4 (N7615L), Lake Isabell, CA, substantial damage. Probable cause: The pilot’s failure to establish a positive climb rate after takeoff, which resulted in an impact with an object.

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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