A mechanical failure, specifically a problem with the main rotor, caused the fatal DPS helicopter crash in Flagstaff, according to a preliminary NTSB report.
Look in The Past on MSN
The strange helicopter that changed aviation forever - Banana helicopter
Early helicopter engineers faced a major challenge: how to lift heavy loads safely. One unusual solution was the tandem rotor design, which used two large rotors instead of one. This eliminated the ...
A helicopter spun out of control and crashed in Huntington Beach last month after a small control part in its tail came loose, according to a preliminary report released this week by the National ...
Study on Aerodynamic Interference in Helicopter Mode of a Tiltwing Aircraft. Advances in Aerospace Science and Technology, 11 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results