NTSB Identification: DEN91LA137.
The docket is stored on NTSB microfiche number 45398.
Accident occurred Saturday, September 21, 1991 in ENGLEWOOD, CO
Probable Cause Approval Date: 05/03/1993
Aircraft: RAVEN RALLEY RX7, registration: N4036Y
Injuries: 2 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.

DURING AN ATTEMPTED LANDING, THE BALLOON TOUCHED DOWN HARD AND THE BASKET TIPPED OVER. A LOAD CABLE INADVERTENTLY TANGLED IN THE HEATER ACTIVATION DEVICE AND LIT THE BURNER WHICH SET THE ENVELOPE AND SURROUNDING GRASS ON FIRE. THE PILOT EXTINGUISHED BOTH FIRES.

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

A HARD LANDING AND INADVERTENT DEPLOYMENT OF THE BALLOON HEATER. A FACTOR WAS: INADVERTENT ENTANGLEMENT OF A LOAD CABLE WITH THE HEATER ACTIVATION DEVICE.

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