No fatalities

Near Midair Collision at St. Pete-Clearwater International Airport (N370SD)

St Petersburg-Clearwater, FL, United States

On April 29, 2021, an AIRBUS A319-112 (registration N370SD) operated by Allegiant Travel Company was involved in an aviation accident near St Petersburg-Clearwater, FL. No fatalities were reported. Investigators recorded the probable cause as: The air traffic controller’s failure to properly scan the runway and local area, and their general loss of situational awareness, resulting in a near midair collision. This summary draws on records from NTSB; 10 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards
AIRBUS A319-112
Photo: Rodrigo Flores / CC BY 3.0, via Wikimedia Commons

On April 29, 2021, a near midair collision occurred at St. Pete-Clearwater International Airport (PIE) when AAY803 took evasive action to avoid N370SD. No injuries or damage were reported.

Incident Overview and Context On April 29, 2021, at approximately 1507 Eastern Daylight Time, a near midair collision occurred at St. Pete-Clearwater International Airport (PIE) in St. Petersburg-Clearwater, Florida. The incident involved flight AAY803, operating under Title 14 Code of Federal Regulations (CFR) Part 121, and aircraft N370SD, operating under Title 14 CFR Part 91. AAY803 was on initial climb from runway 18 when it took evasive action to avoid N370SD, which was crossing over the runway about midfield while on a right downwind for runway 22. Daytime visual meteorological conditions prevailed, and no injuries or aircraft damage were reported.

Contributing factors

ATC personnelPilot