DEN71AD044

NTSB accident investigation · Schleicher AS-W15 · Boulder, CO · June 5, 1971

Accident · FatalClosed
Date
June 5, 1971
Place
Boulder, CO · BOULDER, CO
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N3644Schleicher AS-W15
Status
Completed · report January 20, 1972
Report
Brief approved by the director
Safety recommendations
Yes
Case key
80096

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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NTSB brief

NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.

----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1696   71/6/5    BOULDER,COLO        SCHLEICHER AS-W15   CR-  1  0  0  NONCOMMERCIAL             STUDENT, AGE 29, 30 TOTAL
        TIME - 1650                    N3644               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  HOURS, 0 IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BOULDER MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          BOULDER,COLO                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER
           AIRFRAME - FLIGHT CONTROL SURFACES: ELEVATOR ASSEMBLY,ATTACHMENTS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- UPPER,LWR SECTIONS R ELEV SEPD.ABSENCE OF ADEQUATE ADHESIVE BOND ALONG LEADING,OUTBOARD EDGES.

Aircraft

Registration
N3644
Reported as
Schleicher AS-W15
Category
Glider
Engine
none
Damage
Destroyed
Airport
Boulder Muni

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.