# NTSB DEN74FTE92: Schweizer SGS126, N2416W, Boulder, CO, June 28, 1974

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 28, 1974
- Place: Boulder, CO · BOULDER, CO
- Location: 40.0244° N, 105.2513° W: Placed by OpenAirDocs: center of Boulder, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0244&lon=-105.2513&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report August 14, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 173368
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN74FTE92
- Page: https://openairdocs.org/ntsb/DEN74FTE92

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1968  74/6/28    BOULDER,COLO        SCHWEIZER SGS126    CR-  0  1  0  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 0530                    N2416W              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  AGE 55, 747 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            20 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - BOULDER MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          BOULDER,COLO                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        REMARKS- AUTOMOBILE LAUNCH.ACFT SPUN WHEN RELEASED FM TOW ROPE.WITNESS OBSD ACFT AT HI ANGLE OF ATTACK.
```

## Aircraft

- Registration: [N2416W](https://openairdocs.org/deregistered/N2416W-2017-10-06), registration cancelled 2017-10-06, S/N 364, built 1967 (OpenAirDocs)
- Reported make and model: SCHWEIZER SGS126
- Registry model: [Schweizer SGS 1-26C](https://openairdocs.org/model/schweizer-sgs-1-26c) (registry code 8050120) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Boulder Muni

## 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 19740628020859A](https://openairdocs.org/incident/19740628020859A), Jun 28, 1974: Scwzer SGS126C, Boulder, CO, Substantial damage. Automobile launch. Acft spun when released fm tow rope. Witness obsd acft at hi angle of attack.

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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