Aircraft Accident/Incident Report

Englewood, Colorado 80126
Saturday, September 21, 1991 7:45 MDT

NTSB Narrative Summary Released at Completion of Accident

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.

NTSB Probable Cause Narrative

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

Event Information

Type of Event Accident
Event Date 9/21/1991
Event Day of the Week Saturday
Time of Event 745
Event Time Zone Mountain Daylight Time
Event City ENGLEWOOD
Event State COLORADO
Event Country --
Zipcode of the event site 80126
Event Date Year 1991
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) -17
Wind Direction (degrees magnetic) 90
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2208
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 45398
Date of most recent change to record Dec 12 2000 10:44AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4036Y
NTSB Number DEN91LA137
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name RAVEN
Aircraft Model RALLEY RX7
Aircraft Series Identifier RALLEY RX7
Aircraft Serial Number RX7-304
Certified Max Gross Weight 1480
Aircraft Category Balloon
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft --
Number of Engines 0
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection May 18 1991 12:00AM
Airframe hours since last inspection 1
Airframe Hours 201
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name JAMES E. LONG
Aircraft Owner Street Address 2977 VALLEY FORGE RD.
Aircraft Owner City LISLE
Aircraft Owner State IL
Aircraft Owner Country
Aircraft Owner Zipcode 60530
Operator is an individual? --
Operator Name FRANK J. RIEHL
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 6510 E. 64TH
Operator City COMMERCE CITY
Operator State CO
Operator Country
Operator Zip code 80022
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code NONE
Departure City ENGLEWOOD
Departure State CO
Departure Country
Departure Time 745
Departure Time Zone MDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing - flare/touchdown
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --