No fatalities

DIAMOND AIRCRAFT IND INC DA20-C1 accident at North Las Vegas, NV, 9 Dec 2023

North Las Vegas, NV, United States

On December 9, 2023, a DIAMOND AIRCRAFT IND INC DA20-C1 operated by DIAMOND AIRCRAFT SALES OF KENTUCKY LLC was involved in an aviation accident near North Las Vegas, NV. No fatalities were reported. Investigators recorded the probable cause as: The local controller’s loss of situational awareness, inadequate provision of traffic advisory or safety alert information, and lack of positive control, that resulted in a near-midair collision. This summary draws on records from NTSB; 12 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The local controller’s loss of situational awareness, inadequate provision of traffic advisory or safety alert information, and lack of positive control, that resulted in a near-midair collision.

— NTSB Determination

Contributing factors

ATC personnel