Aircraft Accident/Incident Report

Conrad, Montana 59425
Thursday, June 9, 1983 9:50 MDT

NTSB Narrative Summary Released at Completion of Accident

THE ACFT LANDED HARD AND COLLAPSED THE RIGHT MAIN LANDING GEAR DURING A FORCED LANDING AFTER FUEL EXHAUSTION. DURING A LANDING TO RELOAD THE PILOT HAD HANDLED THE HERBICIDE ON-LOADING AND A GROUND CREWMAN WAS LOADING THE ACFT FUEL. THE SUPPLY OF 80/87 OCTANE FUEL WAS EXHAUSTED BUT THERE WAS 100 OCTANE AVAILABLE. THE PILOT WAS TOLD ABOUT THE FUEL SUPPLY BUT HE MADE NO REPLY AS HE WAS BUSY LOADING HERBICIDE. THE REFUELING WAS NOT COMPLETED. ABOUT AN HOUR AFTER TAKEOFF THE ENGINE CEASED OPERATION DURING A PULL-UP MANEUVER. AFTER THE ACCIDENT THE PILOTS FATHER DRAINED ABOUT 1 CUP OF FUEL FROMEACH FUEL TANK. THE PILOT STATED HE SHOULD HAVE TOPPED OFF WITH FUEL.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/9/1983
Event Day of the Week Thursday
Time of Event 950
Event Time Zone Mountain Daylight Time
Event City CONRAD
Event State MONTANA
Event Country --
Zipcode of the event site 59425
Event Date Year 1983
Event Date Month 6
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 --
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 856 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 310
Weather Observation Facility ID CTB
Elevation of weather observation facility 3541
Distance of event from weather observation facility (units?) 32
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 15000
Lowest Non-Ceiling Height 7000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 60
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) 4
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 17
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 4200
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 772
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 21191
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 N23069
NTSB Number DEN83LA136
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Air Tractor
Aircraft Model AT-301
Aircraft Series Identifier AT-301
Aircraft Serial Number 301-0350
Certified Max Gross Weight 1500
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Apr 5 1983 12:00AM
Airframe hours since last inspection 67
Airframe Hours 435
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name MINUTEMAN AERIAL APPLICATION
Aircraft Owner Street Address P.O. BOX 1404
Aircraft Owner City CONRAD
Aircraft Owner State MT
Aircraft Owner Country
Aircraft Owner Zipcode 59425
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 Agriculture
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Aerial Application
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code S01
Departure City CONRAD
Departure State MT
Departure Country
Departure Time 0
Departure Time Zone
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 Landing
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 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --