Boeing 221 Monomail
Historical safety data and incident record for the Boeing 221 Monomail aircraft.
Safety Rating
10/10Total Incidents
2
Total Fatalities
1
Incident History
May 27, 1935 1 Fatalities
Wyoming Air Service
Glendo Wyoming
The pilot was performing a mail flight from Billings, Montana, to Cheyenne, Wyoming, with intermediate stops in Sheridan and Casper. While cruising in poor weather conditions, he decided to reduce his altitude to maintain a visual contact with the ground. Eventually, the single engine aircraft hit a hill located 21 kilometers south from Glendo, killing the pilot.
Safety Profile
Reliability
Reliable
This rating is based on historical incident data and may not reflect current operational safety.