# NTSB IAD79DIA04: Schweizer SGS233, N33978, Warrenton, VA, November 25, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: November 25, 1978
- Place: Warrenton, VA · WARRENTON, VA
- Location: 38.7154° N, 77.7976° W: Placed by OpenAirDocs: center of Warrenton, VA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.7154&lon=-77.7976&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report January 4, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 139096
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD79DIA04
- Page: https://openairdocs.org/ntsb/IAD79DIA04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3421  78/11/25   WARRENTON,VA        SCHWEIZER SGS233    CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 57, 5000
        TIME - 1238                    N33978              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 5 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WARRENTON AIRPARK
        DEPARTURE POINT             INTENDED DESTINATION
          WARRENTON,VA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    5000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     310
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           15                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- WIND GUSTING TO 20KTS.
```

## Aircraft

- Registration: [N33978](https://openairdocs.org/deregistered/N33978-2012-04-02), registration cancelled 2012-04-02, S/N 389, built 1975 (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: Destroyed
- Airport: Warrenton Airpark

## 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 19781125036109A](https://openairdocs.org/incident/19781125036109A), Nov 25, 1978: Scwzer SGS126E, Warrenton, VA, Substantial damage. Wind gusting to 20KTS.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.