# NTSB LAX74DUJ59: Schweizer SGS233, N7778S, Phoenix, AZ, April 27, 1974

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 27, 1974
- Place: Phoenix, AZ · PHOENIX, AZ
- Location: 33.4484° N, 112.0740° W: Placed by OpenAirDocs: center of Phoenix, AZ, within about 13 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.4484&lon=-112.0740&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report June 28, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 124333
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX74DUJ59
- Page: https://openairdocs.org/ntsb/LAX74DUJ59

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1228  74/4/27    PHOENIX,ARIZ        SCHWEIZER SGS233    CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 20, 21 TOTAL
        TIME - 1300                    N7778S              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, 19 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - TURF
        DEPARTURE POINT             INTENDED DESTINATION
          PHOENIX,ARIZ                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- SNGLE WHEEL GR. NO UNICOM AT TURF
```

## Aircraft

- Registration: [N7778S](https://openairdocs.org/deregistered/N7778S-2002-02-08), registration cancelled 2002-02-08, S/N 148, built 1969 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS233
- Registry model: [Schweizer SGS 2-33A](https://openairdocs.org/model/schweizer-sgs-2-33a) (registry code 8051606) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Turf

## 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 19740427013489A](https://openairdocs.org/incident/19740427013489A), Apr 27, 1974: Scwzer SGS233A, Phoenix, AZ, Substantial damage. Sngle wheel gr. No UNICOM at Turf

## Other investigations on N7778S (1)

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.

- [NTSB LAX01LA142](https://openairdocs.org/ntsb/LAX01LA142), Apr 8, 2001: Schweizer 2-33A (N7778S), Peoria, AZ, substantial damage. Probable cause: The glider's encounter with a dust devil during takeoff that resulted in a loss of control.

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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