# NTSB LAX80FA125: Skybolt 01, N37631, Rialto, CA, July 23, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 23, 1980
- Place: Rialto, CA · RIALTO, CA
- Location: 34.1174° N, 117.3892° W: Placed by OpenAirDocs: center of Rialto, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.1174&lon=-117.3892&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal, 2 serious
- Status: Completed, report March 25, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 129335
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX80FA125
- Page: https://openairdocs.org/ntsb/LAX80FA125

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3639  80/7/23    RIALTO,CA           CESSNA 150          CR-  1  1  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1919                    N430AF              PX-  0  0  0  DUAL                      AGE 32, 700 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  1  1  0                            203 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - RIALTO MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          RIALTO,CA                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   CONVERGENCE ANGLE-DEGREES -  0
          HORIZONTAL COLLISION ANGLE-DEGREES -   0                 VERTICAL COLLISION ANGLE-DEGREES -  0
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- CLOSED PATTERN RWY 24.CALLED UNICOM TURNING BASE TO FINAL.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3639  80/7/23    RIALTO,CA           SKYBOLT 01          CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 57, 6000
        TIME - 1919                    N37631              PX-  0  1  0  PRACTICE                  TOTAL HOURS, 4 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  1  1  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - RIALTD MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          RIALTO,CA                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
        FACTOR(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - NOT UNDER RADAR CONTACT
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   CONVERGENCE ANGLE-DEGREES -  0
          HORIZONTAL COLLISION ANGLE-DEGREES -   0                 VERTICAL COLLISION ANGLE-DEGREES -  0
          EVASIVE ACTION TAKEN - NO                                ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- CLOSED PATTERN RWY 24.NOT RADIO EQUIPPED.MADE CONTINUOUS 180DEG TURN TO FINAL FRM DOWNWIND.
```

## Aircraft 1

- Registration: [N37631](https://openairdocs.org/deregistered/N37631-1983-05-23), registration cancelled 1983-05-23, S/N 6233 (OpenAirDocs)
- Reported make and model: SKYBOLT 01
- Registry model: [Knight Ralph E SKYBOLT](https://openairdocs.org/model/knight-ralph-e-skybolt) (registry code 05655AR) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed
- Airport: Rialtd Muni

## Aircraft 2

- Registration: [N430AF](https://openairdocs.org/deregistered/N430AF-1983-05-25), registration cancelled 1983-05-25, S/N 15068782 (OpenAirDocs)
- Reported make and model: CESSNA 150
- Registry model: [Cessna 150H](https://openairdocs.org/model/cessna-150h) (registry code 2071818) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Rialto Muni

## FAA reports on this event (2)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19800723029971A](https://openairdocs.org/incident/19800723029971A), Jul 23, 1980: Amtrsn SKYBOLT, Rialto, CA, Destroyed. During 180 degree turn to final, over-took & collided with N430AF already on final for landing. No radio a factor.
- [Accident 19800723029962A](https://openairdocs.org/incident/19800723029962A), Jul 23, 1980: Cessna 150, Rialto, CA, Destroyed. On final for landing, was over-taken & struck by N37631 making a 180 degree turn to final. Factor N37631 NORDO.

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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