# NTSB SEA76DYE62: Schweizer SGS233, N5728S, Monroe, WA, September 18, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 18, 1976
- Place: Monroe, WA · MONROE, WA
- Location: 47.8598° N, 121.9840° W: Placed by OpenAirDocs: center of Monroe, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.8598&lon=-121.9840&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 8, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 155674
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA76DYE62
- Page: https://openairdocs.org/ntsb/SEA76DYE62

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3095  76/9/18    MONROE,WA           SCHWEIZER SGS233    CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 30, 495
        TIME - 1630                    N5728S              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 36 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FROMBACH FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          MONROE,WA                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: TREES                                     LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
           TERRAIN - HIGH OBSTRUCTIONS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- MADE TWO 360'S OVER ARPT,THEN OVERSHOT.LDG OFF ARPT,BOUNCED,ROLLED INTO TREES.
```

## Aircraft

- Registration: [N5728S](https://openairdocs.org/deregistered/N5728S-2021-05-08), registration cancelled 2021-05-08, S/N 72, built 1968 (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: Frombach Field

## 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 19760918031349A](https://openairdocs.org/incident/19760918031349A), Sep 18, 1976: Scwzer SGS233, Monroe, WA, Substantial damage. Made two 360'S over arpt,then overshot. Ldg off arpt,bounced,rolled into trees.

## Other investigations on N5728S (3)

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 MIA07LA041](https://openairdocs.org/ntsb/MIA07LA041), Jan 6, 2007: Schweizer SGS 2-33 (N5728S), Immokalee, FL, no damage. Probable cause: The failure of the glider towing "weak link," for undetermined reasons, at an inadequate altitude to effect a normal landing, resulting in a hard landing.
- [NTSB MIA06CA045](https://openairdocs.org/ntsb/MIA06CA045), Jan 15, 2006: Schewizer 233 (N5728S), Immokalee, FL, substantial damage. Probable cause: The pilot's failure to maintain clearance during the final approach to land, which resulted in an impact with trees, and a hard landing.
- [NTSB LAX69D0054](https://openairdocs.org/ntsb/LAX69D0054), Jul 14, 1968: Schweizer SGS233 (N5728S), Pearblossom, CA, substantial damage

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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