Tagged: Bell 525 Relentless

Bell completes hot weather tests on 525

Bell has completed hot-weather testing of its 525 helicopter in Yuma Arizona, flying the aircraft at temperatures up to 120 degrees Fahrenheit. Bell flew the aircraft at high-altitudes throughout the test, reaching 14,000 feet....

Bell 525 crash caused by severe vibrations

The National Transport Safety Board (NTSB) has attributed last year’s Bell 525 Relentless test flight crash to “severe vibrations”. The helicopter’s airframe started vibrating severely soon after take-off, slowing the rotation speed of the...