# NTSB DEN66F0015: Grasshopper D-8, N5053K, Heber, UT, June 12, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 12, 1965
- Place: Heber, UT · HEBER, UT
- Location: 40.5414° N, 111.3879° W: Placed by OpenAirDocs: center of Heber, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5414&lon=-111.3879&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 4, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177377
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN66F0015
- Page: https://openairdocs.org/ntsb/DEN66F0015

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1427  65/6/12    HEBER UT            GRASSHOPPER D-8     CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 35, 20 TOTAL
        TIME - 1630                    N5053K              PX-  0  0  0  PRACTICE                  HOURS, 10 IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - HEVER
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
          SYSTEMS-INFLIGHT FAILURE OF AILERON BELCRANK HORNS
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: POOR/INADEQUATE DESIGN
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- GLIDER STRUCK ROCK ON LANDING.
```

## Aircraft

- Registration: [N5053K](https://openairdocs.org/deregistered/N5053K-2013-10-29), registration cancelled 2013-10-29, S/N 001, built 1962 (OpenAirDocs)
- Reported make and model: GRASSHOPPER D-8
- Registry model: [Sargent Kenneth GRASSHOPPER D-8](https://openairdocs.org/model/sargent-kenneth-grasshopper-d-8) (registry code 05647GB) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider, amateur-built
- Engines: none
- Damage: Destroyed
- Airport: Hever

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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