20240627010549A

Accident · Substantial damage

FAA accident report · Air Tractor AT-301 · Andover, MO · June 27, 2024

Date
June 27, 2024 · 10:40 local
Place
Andover, MO
Airport
Lamoni Municipal Airport
Phase of flight
Cruise/Level Flight
Operating rules
Agricultural (Part 137)
Operator
CC6G
Damage
Substantial damage
Aircraft
N3165C
NTSB investigation
NTSBCEN24LA241
Reported as
Air Tractor AT-301
Reported engine
Pratt & Whitney R1340 series
People aboard
1
Fatal injuries
0
Other injuries
1
Pilot’s certificate
Commercial pilot
Pilot’s flight hours
918 total301 in this make and model56 in the last 90 days

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

The aircraft departed with full fuel and 1700 lbs of granulated fertilizer. Approximately three miles from the departure airport, the pilot noticed a steady loss of altitude that could not be mitigated with application of full engine power. In an attempt to make a precautionary landing in a suitable field, the aircraft's left wing struck a tree top resulting in a stall spin and the aircraft crashed into the field.

The accident scene was consistent with the aircraft cartwheeling into the field after striking the tree top.

The engine, propeller and engine mount assembly, separated from the fuselage and came to rest in the original impact crater. The heavily damaged, yet still mainly intact fuselage, was located approximately 15-30 yards beyond the engine/propeller assembly.

Visual inspection of the engine revealed no apparent pre-crash anomalies. FAA inspectors took fuel samples from each available sump and noted a yellowish color consistent with that of automotive gasoline. There were no placards near the fuel caps, indicating authorized use of automotive gasoline. The aircraft flight manual and weight & balance information could not be located at the accident scene. FAA inspectors calculated density altitude at just over 4100 feet MSL.

As the FAA filed it

THE AIRCRAFT DEPARTED WITH FULL FUEL AND 1700 LBS OF GRANULATED FERTILIZER. APPROXIMATELY THREE MILES FROM THE DEPARTURE AIRPORT, THE PILOT NOTICED A STEADY LOSS OF ALTITUDE THAT COULD NOT BE MITIGATED WITH APPLICATION OF FULL ENGINE POWER. IN AN ATTEMPT TO MAKE A PRECAUTIONARY LANDING IN A SUITABLE FIELD, THE AIRCRAFT'S LEFT WING STRUCK A TREE TOP RESULTING IN A STALL SPIN AND THE AIRCRAFT CRASHED INTO THE FIELD.

THE ACCIDENT SCENE WAS CONSISTENT WITH THE AIRCRAFT CARTWHEELING INTO THE FIELD AFTER STRIKING THE TREE TOP.

THE ENGINE, PROPELLER AND ENGINE MOUNT ASSEMBLY, SEPARATED FROM THE FUSELAGE AND CAME TO REST IN THE ORIGINAL IMPACT CRATER. THE HEAVILY DAMAGED, YET STILL MAINLY INTACT FUSELAGE, WAS LOCATED APPROXIMATELY 15-30 YARDS BEYOND THE ENGINE/PROPELLER ASSEMBLY.

VISUAL INSPECTION OF THE ENGINE REVEALED NO APPARENT PRE-CRASH ANOMALIES. FAA INSPECTORS TOOK FUEL SAMPLES FROM EACH AVAILABLE SUMP AND NOTED A YELLOWISH COLOR CONSISTENT WITH THAT OF AUTOMOTIVE GASOLINE. THERE WERE NO PLACARDS NEAR THE FUEL CAPS, INDICATING AUTHORIZED USE OF AUTOMOTIVE GASOLINE. THE AIRCRAFT FLIGHT MANUAL AND WEIGHT & BALANCE INFORMATION COULD NOT BE LOCATED AT THE ACCIDENT SCENE. FAA INSPECTORS CALCULATED DENSITY ALTITUDE AT JUST OVER 4100 FEET MSL.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.