Ultralight Crash in Chonburi Kills Pilot Due to Wing Fabric Failure
An X-AIR HAWK ultralight crashed in Chonburi, Thailand, killing the pilot and injuring a passenger. The accident was caused by deteriorated wing fabric and…
No fatalities
ROBINSON HELICOPTER COMPANY R44 II accident at Randolph, WI, 31 Jul 2021
On July 31, 2021, a ROBINSON HELICOPTER COMPANY R44 II operated by MF HELICOPTERS LLC was involved in an aviation accident near Randolph, WI. No fatalities were reported. Investigators recorded the probable cause as: The pilot’s failure to maintain clearance from power lines during a low-level aerial application flight. This summary draws on records from NTSB; 16 related events involving the same aircraft type or operator are linked below.
Probable cause
The pilot’s failure to maintain clearance from power lines during a low-level aerial application flight.
— NTSB Determination
Contributing factors
Pilot
More accident analyses
Ultralight Aircraft Excurses Runway at Pai Airport After Crosswind Gust
A Challenger II Special ultralight aircraft (U-B23) landed off-runway at Pai Airport, Mae Hong Son, on September 17, 2024, due to a gust of wind. No injuries…
PKBWL Investigating Serious Incident Involving AT-3R100
The Polish aviation safety authority is investigating a serious incident involving an AT-3R100 aircraft that occurred on September 2, 2024. The investigation…
Glider wing strike during low approach at Kruszyn airfield
A SZD-48-3 glider suffered damage when its left wing struck a ground obstacle during a low final approach at EPWK on June 20, 2025. The pilot was uninjured.
Fatal skydiving accident in Leszno involving a Crossfire 3-119
A 39-year-old skydiver died after a hard landing near Leszno on May 1, 2026. The PKBWL preliminary report indicates the fatal impact resulted from a late,…
Student Pilot Crash at Krosno Aerodrome Involving SZD-50-3 Puchacz
A student pilot crashed an SZD-50-3 Puchacz glider into the airfield fence during a solo training flight on June 6, 2026. The pilot was uninjured, but the…