# NTSB LAX79DUG01: Amateur 700XP, N700XP, Lake Matthews, CA, October 14, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 14, 1978
- Place: Lake Matthews, CA · LAKE MATTHEWS, CA
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 13, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 138979
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX79DUG01
- Page: https://openairdocs.org/ntsb/LAX79DUG01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2922  78/10/14   LAKE MATTHEWS,CA    AMATEUR 700XP       CR-  0  0  1  MISCELLANEOUS             ATP,FLIGHT INSTR., AGE
        TIME - 1530                    N700XP              PX-  0  0  0  TEST                      45, 6680 TOTAL HOURS, 4
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          RIVERSIDE,CA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           AIRFRAME - WINGS: BRACING WIRES,STRUTS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- DURING APPLICATION OF 5 NEG G'S,WINGS FOLDED.PLT BAILED OUT.
```

## Aircraft

- Registration: N700XP (not matched to a registry record)
- Reported make and model: AMATEUR 700XP
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed

## 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 19781014030699A](https://openairdocs.org/incident/19781014030699A), Oct 14, 1978: Kinner SPORTSTERK, Lake Matthews, CA, Destroyed. During application of 5 neg g's,wings folded. Plt bailed out.

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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