Frank Carson, president of Pennsylvania-based Carson Helicopters (and self-proclaimed avid reader of Flight International) says he has sold 60 sets of his company's performance boosting composite main rotor blades for the Sikorsky S-61 helicopter since receiving an STC for the modification in 2004.
Carson spoke with me today at the Heli Expo 2009 show in Anaheim. Ignore the publication in his lap in the picture I took. Do notice however the new Sagem glass cockpit in the company S-61...
Carson says the $1.25 million upgrade, which includes five rotor blades produced by Ducommun, increases the medium-heavy twin's lift capacity by 2,000lb, its speed by 15kt and its service life to 20,000h from 10,000h for the heritage metal blades.
Buyers so far include the UK Royal Navy, which is using the blades on its Sea Kings in
Along with the main blade STC,
Taken together as a package,