Piper Cheyennes Are Added to NPRMs on Beta Operations
Operators of more than 2,500 Piper Cheyennes will be required to amend their flight manuals to prohibit beta power settings in flight, if a proposed AD is adopted. Similar NPRMs published in 1997 cover nearly 4,500 other turboprops (August 1997, page 12). The FAA says that intentional or inadvertent...
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