# NTSB SEA75FYG32: Schweizer SGS233, N5721S, Colville, WA, April 19, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 19, 1975
- Place: Colville, WA · COLVILLE, WA
- Location: 48.5454° N, 117.8985° W: Placed by OpenAirDocs: center of Colville, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.5454&lon=-117.8985&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 29, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149094
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA75FYG32
- Page: https://openairdocs.org/ntsb/SEA75FYG32

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2841  75/4/19    COLVILLE,WA         SCHWEIZER SGS233    CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 44, 32 TOTAL
        TIME - 1515                    N5721S              PX-  0  0  0  TRAINING                  HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - COLVILLE MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          COLVILLE,WA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        REMARKS- TOW PLANE BECAME AIRBORNE THEN SETTLED.STUDENT THOUGHT TOW IN TROUBLE & RELEASED.HIT TREE.
```

## Aircraft

- Registration: [N5721S](https://openairdocs.org/deregistered/N5721S-2015-05-19), registration cancelled 2015-05-19, S/N 67, built 1967 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS233
- Registry model: [Schweizer SGS 2-33](https://openairdocs.org/model/schweizer-sgs-2-33) (registry code 8051604) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Colville Muni

## 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 19750419011349A](https://openairdocs.org/incident/19750419011349A), Apr 19, 1975: Scwzer SGS233, Colville, WA, Substantial damage. Tow plane became airborne then settled. Student thought tow in trouble & released. Hit tree.

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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