Wednesday, June 30, 2021

Ayres S2R-T34, N4328P: Accident occurred June 21, 2021 and Incident occurred July 27, 2018

This is preliminary information, subject to change, and may contain errors. Any errors in this report will be corrected when the final report has been completed. 

The National Transportation Safety Board did not travel to the scene of this accident.

Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Wichita, Kansas

Ag Solutions LLC

Location: Leoti, KS
Accident Number: CEN21LA286
Date & Time: June 21, 2021, 16:15 Local 
Registration: N4328P
Injuries: 1 Minor
Flight Conducted Under: Part 137: Agricultural

On June 21, 2021, about 1615 central daylight time, an Ayres S2R-T34 airplane, N4328P, was involved in an accident near Leoti, Kansas. The commercial pilot sustained minor injuries, and the airplane sustained substantial damage. The airplane was being operated as a Title 14 Code of Federal Regulations Part 137 aerial application flight.

According to the pilot, prior to the flight, the 510-gallon hopper was loaded with 10 ounces of FoamBuster Max, 62.5 gallons of Buccaneer 5 Extra herbicide, 300 gallons of Kugler KQ-XRN fertilizer, and 87.5 gallons of water (450 gallons total mixture). While on his second spray pass, the pilot noticed the chemical mixture was reacting and foaming over and through the hopper vent. He pulled the airplane out of his second pass and also noticed chemical foaming out of the overflow vent. He then looked forward and observed the chemical reacting violently, and it began to emit from the hopper lid. The windshield became fully obscured with foam, and the pilot was unable to see anything outside the airplane. The pilot opened the window in attempt to determine his altitude when the airplane impacted terrain in a wings-level attitude. The airplane skidded on the terrain and came to rest upright (See Figure 1.).

The airplane sustained substantial damage to both wings and the fuselage.

Aircraft and Owner/Operator Information

Registration: N4328P
Model/Series: S2R-T34 
Aircraft Category: Airplane
Amateur Built: No
Operating Certificate(s) Held: Agricultural aircraft (137)
Operator Designator Code:

Meteorological Information and Flight Plan

Conditions at Accident Site: VMC 
Condition of Light: Day
Observation Facility, Elevation: KTQK,2963 ft msl
Observation Time: 16:15 Local
Distance from Accident Site: 22 Nautical Miles
Temperature/Dew Point: 26°C /9°C
Lowest Cloud Condition: Clear 
Wind Speed/Gusts, Direction: 10 knots / , 340°
Lowest Ceiling: None
Visibility: 10 miles
Altimeter Setting: 30.14 inches Hg
Type of Flight Plan Filed: None
Departure Point: Leoti, KS
Destination: Leoti, KS

Wreckage and Impact Information

Crew Injuries: 1 Minor 
Aircraft Damage: Substantial
Passenger Injuries: 
Aircraft Fire: None
Ground Injuries: 
Aircraft Explosion: None
Total Injuries: 1 Minor
Latitude, Longitude: 38.471722,-101.35047 (est)

Additional Participating Entity: 
Federal Aviation Administration / Flight Standards District Office; Wichita, Kansas

July 27, 2018: Blew a tire on landing and went into the grass at Garden City Regional Airport (KGCK), Finney County, Kansas.

Ag Solutions LLC

Date: 27-JUL-18
Time: 22:24:00Z
Regis#: N4328P
Aircraft Make: AYRES
Aircraft Model: S2R T34
Event Type: INCIDENT
Highest Injury: NONE
Aircraft Missing: No
Flight Phase: LANDING (LDG)
Operation: 137

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