# NTSB LAX76AL021: Schweizer SGS135, N34087, Maricopa, AZ, September 21, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 21, 1975
- 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: Fatal
- Injuries: 1 fatal
- Status: Completed, report December 3, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 151141
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX76AL021
- Page: https://openairdocs.org/ntsb/LAX76AL021

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3178  75/9/21  NR.MARICOPA,AZ        SCHWEIZER SGS135    CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1002                    N34087              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 25, 1010 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            2 IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         MARICOPA,AZ                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      85
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- FLEW INTO MTN SLOPE. OBS STATED WIND WAS BLOWING VERY HARD.
```

## Aircraft

- Registration: [N34087](https://openairdocs.org/deregistered/N34087-1976-01-12), registration cancelled 1976-01-12, S/N 10 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS135
- Registry model: [Schweizer SGS 1-35](https://openairdocs.org/model/schweizer-sgs-1-35) (registry code 8050148) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Destroyed

## FAA reports on this event (1)

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

- [Accident 19750921037079A](https://openairdocs.org/incident/19750921037079A), Sep 21, 1975: Scwzer SGS135, Maricopa, AZ, Destroyed. Flew into mtn slope. OBS stated wind was blowing very hard.

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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