# NTSB UNK64X1173: Schweizer SGU222, N91864, Hilltown, PA, April 4, 1964

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: April 4, 1964
- Place: Hilltown, PA · HILLTOWN, PA
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 uninjured
- Status: Completed, report February 5, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 184939
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X1173
- Page: https://openairdocs.org/ntsb/UNK64X1173

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0280   64/4/4    HILLTOWN PA         SCHWEIZER SGU222    CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE UNK/NR, 141
        TIME - 1400                    N91864              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 40 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
           WEATHER - DOWNDRAFT,UPDRAFTS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     *ERROR-INVALID CODE*
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          UNKNOWN/NOT REPORTED                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
```

## Aircraft

- Registration: [N91864](https://openairdocs.org/deregistered/N91864-2014-11-24), registration cancelled 2014-11-24, S/N 35, built 1951 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGU222
- Registry model: [Schweizer SGU 2-22](https://openairdocs.org/model/schweizer-sgu-2-22) (registry code 8050602) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: 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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