# NTSB LAX80FJA20: Schweizer SGS126, N5640V, Oahu, HI, July 6, 1980

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 6, 1980
- Place: Oahu, HI · OAHU, HI
- Location: 21.4333° N, 157.9667° W: Placed by OpenAirDocs: center of Oʻahu, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=21.4333&lon=-157.9667&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report August 4, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 129868
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80FJA20
- Page: https://openairdocs.org/ntsb/LAX80FJA20

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1498   80/7/6    OAHU,HI             SCHWEIZER SGS126    CR-  0  1  0  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1810                    N5640V              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  47, 7216 TOTAL HOURS, 16
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DILLINGHAM
        DEPARTURE POINT             INTENDED DESTINATION
          OAHU,HI                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           AIRFRAME - FLIGHT CONTROL SURFACES: ELEVATOR ASSEMBLY,ATTACHMENTS
           MISCELLANEOUS ACTS,CONDITIONS - CROSSED
        REMARKS- PLT REVERSED ELEV CONTROLS DRG REASSEMBLY.SINGLE WHEEL EQPD.
```

## Aircraft

- Registration: N5640V (not matched to a registry record)
- Reported make and model: SCHWEIZER SGS126
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Dillingham

## 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 19800706023589A](https://openairdocs.org/incident/19800706023589A), Jul 6, 1980: Scwzer SGS126C, Mokuleia, HI, Substantial damage. Pilot reversed elevator controls during assembly of glider and crashed during takeoff.

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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