NTSB Probes Marquart M-5 Charger Incident Near Tucson

The National Transportation Safety Board is investigating an aviation occurrence involving a Marquart M-5 Charger near Tucson, Arizona, on May 15, 2026. The aircraft, registration N987JB, is registered to private owner Jack L. Bigham.

According to NTSB and Federal Aviation Administration database records, no fatalities were reported in the incident. Officials have not yet released details about the extent of damage or the specific nature of the occurrence. No preliminary report or probable cause determination has been issued.

The Marquart M-5 Charger is a two-seat experimental amateur-built aerobatic biplane designed for sport aviation. As an experimental category aircraft, it is typically constructed and maintained by the owner. The NTSB has not provided information about the flight's purpose or the sequence of events leading to the incident.