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Newsletter #283     | News

VHA Receives FAA Supplemental Type Certificate (STC) For Composite 206B Main Rotor Blades


Rotor blade manufacturer Van Horn Aviation (VHA) received a FAA Supplemental Type Certificate (STC) for composite main rotor blades fitting the Bell 206B JetRanger helicopter


VHA Receives FAA Supplemental Type Certificate (STC) For Composite 206B Main Rotor Blades


Van Horn Aviation, February 22, 2016 - TEMPE, Ariz. – Rotor blade manufacturer Van Horn Aviation (VHA) has received a Supplemental Type Certificate (STC) from the Federal Aviation Administration (FAA) for composite main rotor blades fitting the Bell 206B JetRanger helicopter.

The new VHA 206B main rotor blades have been approved with an 18,000-hour service life, which is more than triple the life of the current OEM metal blades.

“This STC is the culmination of more than five years of design, prototyping, and testing, including extensive flight and fatigue testing,” said VHA CEO James Van Horn, who designed the blades and flew as copilot/flight test engineer during most of the certification flight testing. “Our goal was to produce composite main rotor blades that would reduce operator cost and increase durability. During flight testing, we saw and felt some improvements in responsiveness with the composite blades compared to the metal blades. We believe the JetRanger operators will be pleased with our composite blades.”

The VHA 206B main rotor blades use the same carbon fiber materials and construction methods similar to the company’s successful 206B/L tail rotor blades, which have been available as an STC/PMA aftermarket component since 2009. Both blades feature carbon fiber skin and spars, an efficient NASA-designed laminar-flow airfoil, and tapered tip. The 206B main rotor blade also contains a combination of stainless steel and nickel abrasion strips that cover the entire length of the blade for erosion and lightning strike protection. The VHA blades use the identical installation configuration as the OEM blades, allowing direct replacement without hub modification.

“We put the main blade, root, inboard and outboard sections through months of fatigue testing,” said VHA President Dean Rosenlof. “Composites are inherently durable and resist fatigue throughout normal flight parameters, so we tested the blades with simulated hail damage, induced manufacturing defects, and various extreme repairs. We won’t say that the blades are bullet-proof, but they’re close.”

The fatigue testing allowed VHA to certify its composite 206B main rotor blades with an 18,000- hour service life with overhauls required every 2,800 hours. List price is $79,500 per blade.

About Van Horn Aviation: Based in Tempe, Ariz., Van Horn Aviation specializes in the design, certification and manufacturing of aftermarket dynamic components for various rotorcraft. In addition to the 206B/L tail rotor blade, VHA also produces an aftermarket carbon fiber tail rotor blade for various models of the UH-1 and is currently developing a main rotor blade for the MD530F.


This article is listed in :
Bell 206
US FAA     ( Federal Aviation Administration )
--Helicopters Blades
See also Bell furthers collaboration with Van Horn Aviation
US Van Horn Aviation
What links here :
Canada STC for Van Horn Bell 206B Blades


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