Davis-Monthan Airport
Aircraft Accident/Incident Report

Tucson, Arizona 85707
Thursday, December 19, 1985 16:00 MST

NTSB Narrative Summary Released at Completion of Accident

AFTER ABOUT A 45 MIN WAIT AS THE NUMBER ONE ACFT FOR DEPARTURE, THE CONTROLLER INFORMED THE PLT THAT HE COULD EXPECT AN ADDITIONAL 3 MIN WAIT BECAUSE OF WAKE TURBULENCE FROM A (LARGE) EC-130 ACFT WHICH WAS APPROACHING FOR A TOUCH & GO LANDING. THE PLT ELECTED TO WAIVE THE TIME INTERVAL FOR THE WAKE TURBULENCE SEPARATON, AND AS THE EC-130 PASSED HIS POSITION THE CONTROLLER ISSUED THE PLT A CLEARANCE FOR TAKEOFF. THE ACFT CLIMBED TO BETWEEN 25 AND 50 FT AGL AND THEN IT ENCOUNTERED THE WAKE TURBULENCE. THE ACFT PITCHED DOWNWARD, ROLLED RIGHT AND DESCENDED UNTIL IT STRUCK THE RWY, 1 MINUTE, 22 SECONDS AFTER RECEIVING ITS TAKEOFF CLEARANCE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/19/1985
Event Day of the Week Thursday
Time of Event 1600
Event Time Zone Mountain Standard Time
Event City TUCSON
Event State ARIZONA
Event Country --
Zipcode of the event site 85707
Event Date Year 1985
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport DAVIS-MONTHAN
Event Location Nearest Airport ID AFB
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 2705
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1600 Mountain Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID DMA
Elevation of weather observation facility 2760
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation MST
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) 50
Air Temperature at event time (in degrees celsius) 18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 310
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
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 1
Injury Total None --
Injury Total Serious 1
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 2623
NTSB Notification Source --
NTSB Notification Date Dec 20 1985 12:00AM
NTSB Notification Time 1030
Fiche Number and/or location -used to find docket information 30156
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N10882
NTSB Number LAX86LA072
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 150L
Aircraft Series Identifier 150L
Aircraft Serial Number 15075105
Certified Max Gross Weight 1600
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 Sep 1 1985 12:00AM
Airframe hours since last inspection 48
Airframe Hours 7781
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name USAF, DAVIS MONTHAN AERO CLUB
Aircraft Owner Street Address BOX 15034
Aircraft Owner City TUCSON
Aircraft Owner State AZ
Aircraft Owner Country
Aircraft Owner Zipcode 85708
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) Personal
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code DMA
Departure City TUCSON
Departure State AZ
Departure Country
Departure Time 1559
Departure Time Zone MST
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 Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 12
Runway Length 13200
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --