# NTSB LAX78DUJ62: Schweizer 1-35, N135RD, Maricopa, AZ, May 29, 1978

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: May 29, 1978
- Place: Maricopa, AZ · MARICOPA, AZ
- Location: 33.0581° N, 112.0476° W: Placed by OpenAirDocs: center of Maricopa, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.0581&lon=-112.0476&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report June 26, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142254
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX78DUJ62
- Page: https://openairdocs.org/ntsb/LAX78DUJ62

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0870  78/5/29  NR.MARICOPA,AZ        LAISTER LP-15       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1330                    N6LV                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 56, 1082 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  1                            129 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         MARICOPA,AZ                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           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                                   EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - NOT INSTALLED
        REMARKS- BOTH GLIDERS WORKING THERMALS.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0870  78/5/29  NR.MARICOPA,AZ        SCHWEIZER 1-35      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 31, 733
        TIME - 1330                    N135RD              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 170 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  1                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         MARICOPA,AZ                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           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                                   EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - NOT INSTALLED
        REMARKS- BOTH GLIDERS WORKING THERMALS.
```

## Aircraft 1

- Registration: [N135RD](https://openairdocs.org/deregistered/N135RD-1990-11-21), registration cancelled 1990-11-21, S/N 26, built 1975 (OpenAirDocs)
- Reported make and model: SCHWEIZER 1-35
- Registry model: [Schweizer SGS 1-35](https://openairdocs.org/model/schweizer-sgs-1-35) (registry code 8050148) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Destroyed

## Aircraft 2

- Registration: [N6LV](https://openairdocs.org/deregistered/N6LV-1981-02-20), registration cancelled 1981-02-20, S/N N5 (OpenAirDocs)
- Reported make and model: LAISTER LP-15
- Registry model: [Laister Sailplane LP-15](https://openairdocs.org/model/laister-sailplane-lp-15) (registry code 5100202) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Destroyed

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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