# NTSB DEN79DTE38: Schweizer SGS135, N2739H, Colorado Spr, CO, May 13, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 13, 1979
- Place: Colorado Spr, CO · COLORADO SPR, CO
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 11, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135766
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN79DTE38
- Page: https://openairdocs.org/ntsb/DEN79DTE38

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1526  79/5/13  NR.COLORADO SPR,CO    SCHWEIZER SGS135    CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE UNK/NR, 56
        TIME - 1330                    N2739H              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 6 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WESTCLIFF,CO                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- GLIDER-COLLIDED WITH ROCKS AFTER LOOSING THERMAL LIFT.
```

## Aircraft

- Registration: [N2739H](https://openairdocs.org/deregistered/N2739H-2013-04-18), registration cancelled 2013-04-18, S/N 69, built 1976 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS135
- Registry model: [Schweizer SGS 1-35C](https://openairdocs.org/model/schweizer-sgs-1-35c) (registry code 8050151) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage

## Other investigations on N2739H (1)

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 SEA92LA098](https://openairdocs.org/ntsb/SEA92LA098), May 20, 1992: Schweizer SGS-1-35C (N2739H), Big Timber, MT, substantial damage. Probable cause: AIRSPEED WAS NOT MAINTAINED. FACTORS TO THE ACCIDENT WERE: NO THERMAL LIFT AND INADEQUATE REMEDIAL ACTION.

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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