# NTSB LAX67A0040: Laister LK-10A, N56051, Adelanto, CA, October 16, 1966

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 16, 1966
- Place: Adelanto, CA · ADELANTO, CA
- Location: 34.5828° N, 117.4092° W: Placed by OpenAirDocs: center of Adelanto, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.5828&lon=-117.4092&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report May 5, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 121565
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX67A0040
- Page: https://openairdocs.org/ntsb/LAX67A0040

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0929  66/10/16   ADELANTO CALIF      LAISTER LK-10A      CR-  2  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 48,
        TIME - 1409                    N56051              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  UNK/NR TOTAL HOURS, 291
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - EL MIRAGE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: ACROBATICS
           STALL: SPIN                                              IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           AIRFRAME - FUSELAGE: LONGERON
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - UNAPPROVED MODIFICATION
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- PLT WAS DOING SPINS.FUSELAGE MODIFIED USING SUB-STRENGTH TUBING.2-TOP LONGERONS FAILED NR TAIL GRP
```

## Aircraft

- Registration: [N56051](https://openairdocs.org/deregistered/N56051-1967-11-14), registration cancelled 1967-11-14, S/N 78 (OpenAirDocs)
- Reported make and model: LAISTER LK-10A
- Registry model: [Laister-Kauffman TG-4A](https://openairdocs.org/model/laister-kauffman-tg-4a) (registry code 5090206) (OpenAirDocs)
- Category: Glider, amateur-built
- Engines: none
- Damage: Destroyed
- Airport: El Mirage

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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