Aircraft Accident/Incident Report

Snowmass Villag, Colorado 81615
Wednesday, July 16, 2003 6:30 MDT

NTSB Narrative Summary Released at Completion of Accident

Balloon #1 N35965 departed approximately 1 to 2 minutes after balloon #2 N5047C departed. Balloon #2 had proceeded slightly west of a creek bed. Approximately 1 mile down the creek bed, #1 passed #2. Two miles further down the creek bed, #2 had obtained a faster ground speed and began to close in on balloon #1. The pilot of balloon #2 initiated an accent to climb up and over balloon #1. The basket of balloon #2 impacted the envelope of balloon #1 approximately 20 feet down from the top of the balloon causing substantial damage to the envelope.

NTSB Probable Cause Narrative

the failure of the pilot of balloon #2 to maintain clearance from balloon #1 while overtaking him.

Event Information

Type of Event Accident
Event Date 7/16/2003
Event Day of the Week Wednesday
Time of Event 630
Event Time Zone Mountain Daylight Time
Event City Snowmass Villag
Event State COLORADO
Event Country --
Zipcode of the event site 81615
Event Date Year 2003
Event Date Month 7
MidAir Collision Indicator Yes
On Ground Collision occurred ? No
Event Location Latitude 391954N
Event Location Longitude 1065907W
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 553 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 320
Weather Observation Facility ID ASE
Elevation of weather observation facility 7820
Distance of event from weather observation facility (units?) 2
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height 9000
Sky/Lowest/Cloud Conditions Few
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 11
Dew Point at event time (in degress fahrenheit) 6
Wind Direction (degrees magnetic) 170
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 6
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30.45
Density Altitude (feet) 8653
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 10
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 15107
NTSB Notification Source FAA COMM CTR
NTSB Notification Date Jul 16 2003 12:00AM
NTSB Notification Time 730
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Mar 30 2004 8:14AM
User who most recently changed record NTSB\MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office Denver, CO FSDO

Aircraft Involved

Aircraft #1

Aircraft #2

Aircraft Registration Number N35965 N5047C
NTSB Number DEN03LA130A DEN03LA130B
Missing Aircraft Indicator -- --
Federal Aviation Reg. Part Part 91: General Aviation Part 91: General Aviation
Type of Flight Plan filed None None
Flight plan Was Activated? No No
Damage Substantial None
Aircraft Fire None None
Aircraft Explosion None None
Aircraft Manufacturer's Full Name Aerostar Aerostar
Aircraft Model RX-8 S-71A
Aircraft Series Identifier -- --
Aircraft Serial Number RX8-3004 S71A-3022
Certified Max Gross Weight 1650 --
Aircraft Category Balloon Balloon
Aircraft Registration Class U.S. Registered/U.S. Soil U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No 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 Fixed
Aircraft, Type of Last Inspection Annual Annual
Date of Last Inspection May 6 2003 12:00AM Jun 27 2003 12:00AM
Airframe hours since last inspection 5.7 --
Airframe Hours 451.6 --
ELT Installed No No
ELT Activated No No
ELT Aided Location of Event Site No No
ELT Type -- --
Aircraft Owner Name Bruce L. Wood Adventures Out West
Aircraft Owner Street Address On File P.O. Box 38512
Aircraft Owner City Carbondale Colorado Springs
Aircraft Owner State -- --
Aircraft Owner Country USA USA
Aircraft Owner Zipcode 81623 80937
Operator is an individual? Yes No
Operator Name -- --
Operator Same as Owner? Yes Yes
Operator Is Doing Business As -- --
Operator Address Same as Owner? Yes Yes
Operator Street Address -- --
Operator City -- --
Operator State -- --
Operator Country -- --
Operator Zip code -- --
Operator Code -- --
Owner has at least one certificate None None
Other Operator of large aircraft? -- --
Certified for Part 133 or 137 Operation -- --
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 Personal
Second Pilot on Board No No
Departure Point Same as Event Yes Yes
Departure Airport Code NONE NONE
Departure City Snowmass Villag Snowmass Villag
Departure State CO CO
Departure Country USA USA
Departure Time 610 610
Departure Time Zone MDT MDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere dest & departure same, accident can occur anywhere
Destination Airport Code -- --
Destination City -- --
Destination State -- --
Destination Country -- --
Specific Phase of Flight Maneuvering Maneuvering
Report sent to ICAO? No No
Evacuation occurred No No
Date of most recent change to record Feb 13 2004 11:57AM Feb 13 2004 11:57AM
User who most recently changed record MCBM MCBM
Since inspection or accident Last Inspection --
Event Location Runway Number and Location NA NA
Runway Length -- --
Runway Width -- --
Sight Seeing flight Yes Yes
Air Medical Flight No No
Medical Flight -- --