SMA Engines

SMA Engines
Industry Aerospace
Founded 1997
Headquarters Bourges, France
Products Aircraft Diesel engines
Parent Safran

SMA Engines (Société de Motorisations Aéronautiques) is a French manufacturer of Diesel engines for light aircraft. A subsidiary of Safran, SMA engine production is currently limited to one model, the SMA SR305-230, which has received a Supplemental Type Certificate for installation in the Cessna 182Q and R.[1] The engine uses standard jet fuel, readily available at airports worldwide.[2]


SMA was founded in 1997 as a 50/50 joint venture between SOCATA and Renault Sport to develop a diesel engine for light aircraft.[3] SNECMA also entered the joint venture with a one-third interest in June 2000. The prefix of the engines changed to SR, for SNECMA-Renault. In 2005, Safran bought out the other partners to become the sole owner of SMA.



  1. Federal Aviation Administration (July 2006) Supplemental Type Certificate STC Number: SA03302AT retrieved: 8 March 2011
  2. retrieved 2016-05-06
  3. Gunston, p. 218-219
  4. AOPA Pilot: 34. October 2014. Missing or empty |title= (help)
  5. Boric, Marino (31 July 2013). "SMA New Six-Cylinder Engine SR430 Debuted in U.S.". EAA AirVenture. Retrieved 8 December 2013.
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