US 12,214,899 B1
Propeller restraint kits for turboprop aircraft
Russell Ray Schrock, Wichita, KS (US); and Michael Earl Lee, Wichita, KS (US)
Assigned to TEXTRON INNOVATIONS INC., Providence, RI (US)
Filed by Textron Aviation Inc., Wichita, KS (US)
Filed on Oct. 20, 2023, as Appl. No. 18/490,996.
Int. Cl. B64D 47/00 (2006.01)
CPC B64D 47/00 (2013.01) 28 Claims
OG exemplary drawing
 
1. A propeller restraint kit for turboprop aircraft comprising:
an open-ended propeller restraint boot sized and configured for placement over a tip of a propeller blade;
a cowling attachment assembly adapted to being attached to an aircraft cowling skin; and
a propeller boot tether strap of predetermined length interconnecting the propeller restraint boot and the cowling attachment assembly, wherein
the cowling attachment assembly includes:
(i) a quick disconnect (QD) pin assembly connected to a terminal end of the propeller boot tether strap, and
(ii) a pin receiver adapted to being positionally attached to an interior portion of the aircraft cowling skin, the pin receiver including a pin receiving cylinder which is adapted to being positioned relative to a hole in the aircraft cowling skin to receive the quick disconnect pin and thereby removably attach the QD pin assembly and the pin receiver.