# NTSB LAX71FUG23: Riggs Gyro C, N9163, Adelanto, CA, November 8, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: November 8, 1970
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report August 4, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 158917
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX71FUG23
- Page: https://openairdocs.org/ntsb/LAX71FUG23-158917

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4137   70/11/8   ADELANTO,CALIF      RIGGS GYRO C        CR-  0  1  0  MISCELLANEOUS             STUDENT, AGE 69, 864
        TIME - 0940                    N9163               PX-  0  0  0  EXPERIMENTATION           TOTAL HOURS, 64 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - EL MIRAGE
        DEPARTURE POINT             INTENDED DESTINATION
          ADELANTO,CALIF              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           ROLL OVER                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - IMPROPER RECOVERY FROM BOUNCED LANDING
        FACTOR(S)
           PILOT IN COMMAND - MISJUDGED SPEED
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           TERRAIN - OTHER
        REMARKS- DRY LAKE BED DUSTY DUE GRND TRAFFIC. EXPERIMENTAL TEST OF HOME BUILT ACFT.1 HR IN TYPE IN 90 DAYS.
```

## Aircraft

- Registration: [N9163](https://openairdocs.org/deregistered/N9163-1971-04-20), registration cancelled 1971-04-20, S/N 3, built 1969 (OpenAirDocs)
- Reported make and model: RIGGS GYRO C
- Registry model: [Riggs C](https://openairdocs.org/model/riggs-c) (registry code 05602Z7) (OpenAirDocs)
- Category: Gyroplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- 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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