Make every flight a great flight with the Whisper Prop® propeller system.
Whisper Prop is a five-blade, small diameter, carbon fiber propeller with a natural composite core for superior noise dampening. Developed in conjunction with *MT-Propeller, the BLR Aerospace Whisper Prop incorporates advanced computer design to deliver an ultra-lightweight result with infinite blade life.
Installing Whisper Prop on your King Air will enhance performance and send cabin comfort soaring with unprecedented levels of quiet and a smooth, low-vibration flying experience. A smaller diameter equates to greater ground clearance, reduced vacuum effect, and less resulting FOD.
Designed for superior protection against damage, the Whisper Prop features a hard nickel leading edge. In the unusual event that the blade is damage, you can be confided that the Whisper Prop has the easiest in-field repair, decreasing expensive aircraft downtime.
*MT-Propeller is the industry leader in design and production of high performance and noise reducing propeller systems with more than 18,000 systems flying worldwide and over 60,000 blades in service. Read more about MT-Propeller here.
Click below to see what King Air models are compatible with BLR's Whisper Prop®. Propeller comparison charts available for download upon clicking model. Contact BLR for more information.
King Air 90 Series
-
King Air 90
- $124,650
King Air 200 Series
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King Air 200/B200
- $130,700
- King Air 250/260
-
- $130,700
King Air 300 Series
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King Air 300
- $165,100
-
King Air 350
- $165,100
King Air 100
-
King Air 100
- $122,450




Whisper Prop + Winglets
Performance gains are even higher when Whisper Prop is paired with BLR Winglets. Together, this powerful package comes with a certified Flight Manual Supplement verifying superior performance when compared to the factory 90GTx and 200 performance manuals.
Operators can now enjoy the short-field performance and interior space of a King Air with comfort surpassing the comparatively space-limited entry-level business jet – all while flying an aircraft they already own.
Learn more about Winglets here.
- *30-50 percent reduction in measured dB, depending on frequency, when compared to the factory standard propeller
- Runway length reductions up to 33 percent
- Access to shorter fields, reduced trip times, greater safety margins
King Air 90 Series
- King Air C90A
- King Air 90GT/i
King Air 200 Series
- King Air 200
- King Air B200
- King Air B200C
- King Air B200GT
- King Air B250
King Air 300 Series
- King Air 300
- King Air 300LW