Aircraft Accident/Incident Report

Somerton, Arizona 85350
Sunday, November 30, 2014 1:20 MST

NTSB Narrative Summary Released at Completion of Accident

On November 30, 2014, about 0120 mountain standard time, a single-engine Air Tractor, Inc., AT-502B, N946TR, impacted an open field near Somerton, Arizona. Tri Rotor Spray and Chemical, Inc., operated the airplane under the provisions of 14 Code of Federal Regulations Part 137 as a local aerial application flight. The pilot, the sole occupant, was fatally injured; the airplane was destroyed in the postcrash fire. The airplane departed from a private airstrip about 0100. Visual night meteorological conditions prevailed for the flight. According to a company representative, prior to the accident the pilot had landed the airplane and placed 100 gallons of water onboard the airplane. The intent was to do a water calibration flight to end his day. After the field had been sprayed with water, the pilot was returning to land. The company representative reported that no communications between the pilot and company pilots flying in the area were made prior to the accident. A witness reported that he observed a fire in a nearby field, which was later identified as the accident airplane.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 11/30/2014
Event Day of the Week Sunday
Time of Event 120
Event Time Zone Mountain Standard Time
Event City Somerton
Event State ARIZONA
Event Country --
Zipcode of the event site 85350
Event Date Year 2014
Event Date Month 11
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 323323N
Event Location Longitude 1144124W
Event Location Airport --
Event Location Nearest Airport ID --
Indicates whether the acc/inc occurred off or on an airport --
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness --
Investigator's weather source Unknown
Time of the weather observation
Direction of event from weather observation facility (degrees) --
Weather Observation Facility ID --
Elevation of weather observation facility --
Distance of event from weather observation facility (units?) --
Time Zone of the weather observation --
Lighting Conditions --
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions --
Sky Condition for Lowest Ceiling --
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) --
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) --
Variable Wind Indicator --
Wind Speed (knots) --
Wind Velocity Indicator --
Wind Gust Indicator --
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) --
NTSB Notification Source FAA NWM Operations Center
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Dec 9 2014 10:55AM
User who most recently changed record coos
Basic weather conditions --
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N946TR
NTSB Number WPR15LA048
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed --
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion Unknown
Aircraft Manufacturer's Full Name AIR TRACTOR INC
Aircraft Model AT 502B
Aircraft Series Identifier --
Aircraft Serial Number 502B-2946
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class --
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats 1
Total number of seats on the aircraft --
Number of Engines --
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection --
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name TRI ROTOR SPRAY AND CHEMICAL INC
Aircraft Owner Street Address --
Aircraft Owner City ULYSSES
Aircraft Owner State KS
Aircraft Owner Country USA
Aircraft Owner Zipcode 678808151
Operator is an individual? No
Operator Name TRI ROTOR SPRAY AND CHEMICAL INC
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address --
Operator City ULYSSES
Operator State KS
Operator Country USA
Operator Zip code 678808151
Operator Code --
Owner has at least one certificate Yes - certificate holder
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) Aerial Application
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code --
Departure City --
Departure State --
Departure Country USA
Departure Time --
Departure Time Zone --
Destination Same as Local Flt --
Destination Airport Code --
Destination City --
Destination State --
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Dec 9 2014 10:55AM
User who most recently changed record coos
Since inspection or accident --
Event Location Runway Number and Location --
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --