Ukiah Airport
Aircraft Accident/Incident Report

Ukiah, California 95482
Monday, June 30, 1986 14:05 PDT

NTSB Narrative Summary Released at Completion of Accident

THE PIPER PA-18-150 ENCOUNTERED TURBULENT WIND CONDITIONS AND DRAGGED THE LEFT WING DURING A TAKEOFF GROUND RUN FROM RWY 33. THE PLT REPORTED THAT DURING THE TAKEOFF GROUND RUN, THE RIGHT WING LIFTED CAUSING THE LEFT WING TO DRAG ON THE RWY. THE AIRCRAFT THEN SWERVED TO THE LEFT AND DEPARTED THE RWY. THE FSS (LOCATED ON THE ARPT) REPORTED THAT AT THE TIME OF THE ACCIDENT, THE WINDS WERE FROM 260 DEG AT 7 KTS. SEVERAL 'DUST DEVILS' WERE OBSERVED IN THE AREA DURING THE DAY, BUT NONE WERE OBSERVED ON THE ARPT. THE PLT ALSO INDICATED THAT HE RECEIVED A WEATHER BRIEFING AND WAS AWARE OF THE REPORTED WEATHER PHENOMENA.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/30/1986
Event Day of the Week Monday
Time of Event 1405
Event Time Zone Pacific Daylight Time
Event City UKIAH
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95482
Event Date Year 1986
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport UKIAH
Event Location Nearest Airport ID UKI
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 616
Weather Briefing Completeness Partial - limited by pilot
Investigator's weather source Weather Observation Facility
Time of the weather observation 1405 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID UKI
Elevation of weather observation facility 616
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation PDT
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) 33
Dew Point at event time (in degress fahrenheit) 11
Wind Direction (degrees magnetic) 260
Variable Wind Indicator Unknown
Wind Speed (knots) 7
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 2700
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) 1525
NTSB Notification Source --
NTSB Notification Date Jul 1 1986 12:00AM
NTSB Notification Time 1420
Fiche Number and/or location -used to find docket information 31939
Date of most recent change to record Jan 2 2001 9:14AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2406J
NTSB Number LAX86LA274
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 None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-18-150
Aircraft Series Identifier PA-18-150
Aircraft Serial Number 18-7909119
Certified Max Gross Weight 1625
Aircraft Category Airplane
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Jun 29 1986 12:00AM
Airframe hours since last inspection 5
Airframe Hours 5484
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name UNION FLIGHTS
Aircraft Owner Street Address 6273 FREEPORT BLVD.
Aircraft Owner City SACRAMENTO
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 95822
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 Yes - certificate holder
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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code UKI
Departure City UKIAH
Departure State CA
Departure Country
Departure Time 1405
Departure Time Zone PDT
Destination Same as Local Flt --
Destination Airport Code SAC
Destination City SACRAMENTO
Destination State CA
Destination Country
Specific Phase of Flight Takeoff
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 33
Runway Length 4400
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --