Martin NBS-1 (MB-2) crash, Jun 5, 1922, United States of...
Martin NBS-1 (MB-2) accident on June 5, 1922 near United States of America, United States with no fatalities.
- Date: June 5, 1922
- Aircraft: Martin NBS-1 (MB-2)
- Location: United States of America, United States
- Fatalities: 0
- Phase of flight: En route
A US Army Air Service Martin NBS 1 training aircraft crashed in unknown circumstances on 5 June 1922. The crew fate is unknown.