Aircraft Accident/Incident Report

Vacaville, California 95696
Saturday, September 29, 1990 9:00 PDT

NTSB Narrative Summary Released at Completion of Accident

ACCORDING TO THE PILOT, THE TWO FLIGHTS CONDUCTED EARLIER IN THE MORNING WERE NORMAL WITH WINDS IN THE 4 MPH RANGE. ON THE ACCIDENT FLIGHT, THE WINDS SUDDENLY INCREASED FROM 4 TO 12 MPH. THE PILOT THEN SAID, 'INSTANTLY, WITHOUT INDICATION, A WHIRLWIND CAUGHT THE BALLOON AND SPUN IT 360 DEGREES; A DOWNDRAFT OCCURRED WITH A DESCENT RATE OF 500 FEET PER MINUTE.' THE PILOT FURTHER STATED THAT HE WAS UNABLE TO ARREST THE RATE OF DESCENT AND THE BALLOON COLLIDED WITH A SET OF POWER LINES, THEN THE GROUND.

NTSB Probable Cause Narrative

THE BALLOON'S ENCOUNTER WITH A SUDDEN INCREASE IN WIND SPEED ACCOMPAINED BY A STRONG DOWN DRAFT BEYOND THE COMPENSATION CAPABILITY OF THE BALLOON.

Event Information

Type of Event Accident
Event Date 9/29/1990
Event Day of the Week Saturday
Time of Event 900
Event Time Zone Pacific Daylight Time
Event City VACAVILLE
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95696
Event Date Year 1990
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 Full
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) 30
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 340
Variable Wind Indicator Unknown
Wind Speed (knots) 18
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 22
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 8
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1268
NTSB Notification Source --
NTSB Notification Date Oct 4 1990 12:00AM
NTSB Notification Time 1530
Fiche Number and/or location -used to find docket information 42447
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N90902
NTSB Number LAX90LA340
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BALLOON WORKS
Aircraft Model FIREFLY 9
Aircraft Series Identifier FIREFLY 9
Aircraft Serial Number F9-039
Certified Max Gross Weight 3285
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 --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ROBERT BARBARICK
Aircraft Owner Street Address 2199 MT. VEEDER RD.
Aircraft Owner City NAPA
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 94558
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code NONE
Departure City
Departure State
Departure Country
Departure Time 750
Departure Time Zone PDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Aug 22 2001 3:51PM
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 Yes
Air Medical Flight No
Medical Flight --