NTSB Identification: DEN84LA029B.
The docket is stored on NTSB microfiche number 22367.
Accident occurred Saturday, November 19, 1983 in COLORADO SPGS, CO
Aircraft: Burkhart Grob G103, registration: N4246L
Injuries: 3 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PIPER PA-18, N3594P, WAS BEING USED TO TOW A BURKHART GROB FLUGZEUGBAU G103 TWIN ASTIR, N4246L. AT 0950 MST, THE WIND WAS REPORTED FROM 310 DEG AT 9 KTS. SINCE THE TERRAIN SLOPED DOWNHILL TO THE SOUTH, RWY 17R (COVERED WITH HARD PACKED SNOW) WAS BEING USED FOR TAKEOFF. THE GLIDER CLUB HAD A POLICY THAT ALL TAKEOFFS WOULD BE MADE TO THE SOUTH, BUT NO TAKEOFFS WERE PERMITTED IF THE TAILWIND EXCEEDS 20 KTS. THE TOW PLT REPORTED THAT DURING TAKEOFF, A QUARTERING REAR GUST OF WIND WAS ENCOUNTERED & FORCED THE ACFT BACK ONTO THE RWY. THE ACFT TOUCHED DOWN AT THE END OF THE RWY, ROLLED INTO SNOW & NOSED OVER. THE INSTRUCTOR PLT (CFI) IN THE GLIDER REPORTED THE GLIDER HAD JUST LIFTED OFF WHEN HE SAW THE TOW PLANE SETTLE TO THE GROUND & DISAPPEAR IN A CLOUD OF SNOW. THE GLIDER STUDENT RELEARSE THE TOW ROPE. THE GLIDER ENTERED THE CLOUD OF SNOW. WHEN IT EMERGED FROM THE CLOUD, THE GLIDER AIRCREW SAW THE INVERTED TOW PLANE IMMEDIATELY AHEAD. THE LEFT WING OF THE GLIDER HIT THE RIGHT MAIN GEAR OF THE TOW PLANE. TOW PLT EST GUSTS, 15 KTS.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT OF OTHER AIRCRAFT

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

STALL/MUSH..INADVERTENT..PILOT OF OTHER AIRCRAFT


Contributing Factors

WEATHER CONDITION..HIGH DENSITY ALTITUDE


Contributing Factors

WEATHER CONDITION..TAILWIND


Contributing Factors

WEATHER CONDITION..GUSTS



Contributing Factors

TERRAIN CONDITION..SNOW COVERED



Contributing Factors

WEATHER CONDITION..WHITEOUT




Contributing Factors

OBJECT..AIRCRAFT PARKED/STANDING

Index for Nov1983 | Index of months