# NTSB LAX71FUG11: Rackleff MAD 1, N416S, Riverside, CA, September 5, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 5, 1970
- Place: Riverside, CA · RIVERSIDE, CA
- Location: 33.9533° N, 117.3961° W: Placed by OpenAirDocs: center of Riverside, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.9533&lon=-117.3961&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report November 13, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 155473
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX71FUG11
- Page: https://openairdocs.org/ntsb/LAX71FUG11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1362   70/9/5    RIVERSIDE,CALIF     RACKLEFF MAD 1      CR-  0  1  0  MISCELLANEOUS             PRIVATE, AGE 44, 1426
        TIME - 1230                    N416S               PX-  0  0  0  TEST                      TOTAL HOURS, 0 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FLABOB
        DEPARTURE POINT             INTENDED DESTINATION
          RIVERSIDE,CALIF             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: TRAFFIC PATTERN-CIRCLING
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        REMARKS- INITIAL TEST FLT. OBS SAW ACFT MAKE ABRUPT CHANGES IN PITCH ATTITUDE ON T/O CLIMBOUT.
```

## Aircraft

- Registration: [N416S](https://openairdocs.org/deregistered/N416S-1975-06-09), registration cancelled 1975-06-09, S/N MAD-1A-001, built 1970 (OpenAirDocs)
- Reported make and model: RACKLEFF MAD 1
- Registry model: [Rackleff M.A.D.1](https://openairdocs.org/model/rackleff-m-a-d-1) (registry code 05611GZ) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Flabob

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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