Power Flow ex­haust sys­tems gain EASA ap­proval

Pilot - - NOTES -

Un­til last De­cem­ber, Power Flow ex­haust sys­tems were not ap­proved for in­stal­la­tion on Easa-reg­is­tered air­craft un­less Power Flow al­ready held EASA val­i­da­tion of the Sup­ple­men­tal Type Cer­tifi­cate (STC) kit spe­cific to that air­craft type. Now, a recent pol­icy change en­ables own­ers of Easa-reg­is­tered air­craft them­selves to ap­ply for a spe­cific sin­gle-air­frame se­rial num­ber ap­proval by pay­ing a one-time ap­pli­ca­tion fee of €239. EASA’S new pol­icy states that if the STC meets seven cri­te­ria (with which all of Power Flow’s tuned ex­hausts com­ply), it will ei­ther is­sue an ap­proval for that air­craft or re­fund the cus­tomer’s ap­pli­ca­tion fee. The ap­proval process re­quires Power Flow to pro­vide a let­ter of au­tho­ri­sa­tion spe­cific to a par­tic­u­lar air­craft, which it will do at no cost to any air­craft owner in­ter­ested in the up­grade. Work­ing through its UK au­tho­rised dealer, Derby-based Air­speed Avi­a­tion, Power Flow has al­ready re­ceived ap­proval for two Cessna Car­di­nal RGS and a Mooney M20J.

Power Flow of­fers kits for a wide range of GA air­craft from Aviat, Beechcraft, Cessna, Di­a­mond, Grum­man, Mooney and Piper. The com­pany claims that its tuned ex­hausts pro­vide in­creases of 30-130rpm, 100-250ft/min rate of climb, re­duced fuel burn of up to 2.2 US gal­lons per hour for the same air­speed, and for air­craft equipped with con­stant speed pro­pel­lers a 3-7kt increase in cruis­ing speed.

Air­speed Avi­a­tion can be con­tacted at tel: 01283 733803, email: der­byae­ro­[email protected]­con­nect.com

ABOVE: EASA air­craft own­ers can ap­ply for Power Flow ex­haust ap­proval

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