# NTSB NYC74DHA07: Schweizer SGS233, N1241S, Erwinna, PA, August 24, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 24, 1973
- Place: Erwinna, PA · ERWINNA, PA
- Location: 40.5007° N, 75.0727° W: Placed by OpenAirDocs: center of Erwinna, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.5007&lon=-75.0727&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 1, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189280
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC74DHA07
- Page: https://openairdocs.org/ntsb/NYC74DHA07

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2315  73/8/24    ERWINNA,PA          SCHWEIZER SGS233    CR-  0  0  1  INSTRUCTIONAL             PRIVATE, AGE 53, 188
        TIME - 1535                    N1241S              PX-  0  0  0  SOLO                      TOTAL HOURS, 3 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - VAN SANT
        DEPARTURE POINT             INTENDED DESTINATION
          ERWINNA,PA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           COLLIDED WITH: PARKED AIRCRAFT                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        REMARKS- VEERED INTO PARKED SGS233,N1174S,SUBSTL DMG. PLT HAD .3 SOLO IN TYPE. SECOND SOLO FLT.
```

## Aircraft

- Registration: [N1241S](https://openairdocs.org/deregistered/N1241S-2006-08-15), registration cancelled 2006-08-15, S/N 223, built 1971 (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: Van Sant

## 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 19730824023669A](https://openairdocs.org/incident/19730824023669A), Aug 24, 1973: Scwzer SGS233A, Erwinna, PA, Substantial damage. Veered into parked SGS233,N1174S,substl dmg. Plt had .3 solo in type. Second solo flt.

## Other investigations on N1241S (2)

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 IAD03LA046](https://openairdocs.org/ntsb/IAD03LA046), Apr 19, 2003: Schweizer SGS 2-33A (N1241S), Sterling, MA, substantial damage. Probable cause: The student pilot's misjudgment of his traffic pattern altitudes, which resulted in a premature descent into a tree.
- [NTSB NYC73DHA02](https://openairdocs.org/ntsb/NYC73DHA02), Jul 15, 1972: Schweizer 233A (N1241S), Erwinna, PA, 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.

---
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.
