No fatalities

WACO RNF accident at Phoenix, AZ, 14 Dec 2025

Phoenix, AZ, United States

On December 14, 2025, a WACO RNF was involved in an aviation accident near Phoenix, AZ. No fatalities were reported. Investigators recorded the probable cause as: The biplane pilot’s failure to maintain adequate clearance from the low-wing airplane while taxiing. This summary draws on records from NTSB.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

Probable cause

The biplane pilot’s failure to maintain adequate clearance from the low-wing airplane while taxiing.

— NTSB Determination

Contributing factors

PilotContributed to outcomePilot of other aircraft