The first O-360 certified was the A1A model, certified on 20 July 1955 to United States CAR 13 effective March 5, 1952 as amended by 13-1 and 13-2.[4] The Lycoming IO-390 is an O-360 which has had its cylinder bore increased by 3⁄16 inch (4.76 mm), developing 210 hp (157 kW).[5][6]
Series
The O-360 family of engines comprises 167 different models with 12 different prefixes. All have a 361-cubic-inch (5.92-liter) displacement and 5.125 and 4.375 in (130.2 and 111.1 mm) bore and stroke.[4][7][8][9]
^ a bLycoming (2004). "360 Series" (PDF). Archived from the original (PDF) on November 26, 2010. Retrieved September 16, 2008.
^Lycoming Engines (July 8, 2013). "Recommended Time Between Overhaul Periods" (PDF). Archived from the original (PDF) on September 13, 2013. Retrieved July 8, 2013.
^Enfield, Samuel; Burr, R.; Badgett, R.; et al., eds. (April 15, 1966). Airboats (PDF) (Technical report). San Francisco: Army Concept Team in Vietnam. p. 2. R-1590 0. Archived from the original (PDF) on August 3, 2020 – via DTIC.
^ a b cFederal Aviation Administration (August 2009). "Type Certificate Data Sheet No. E-286 Revision 20" (PDF). Retrieved September 9, 2011.
^Lycoming Engines (n.d.). "Lycoming IO-390-X". Retrieved January 7, 2009.
^Lycoming Engines (2004). "Specialty datasheet" (PDF). Retrieved December 20, 2008.
^Federal Aviation Administration (January 10, 2018). "Type Certificate Data Sheet No. 1E10 Revision 28" (PDF). Retrieved January 26, 2019.
^Federal Aviation Administration (March 1986). "Type Certificate Data Sheet No. E26EA Revision 4". Retrieved January 18, 2009.
^Federal Aviation Administration (March 1986). "Type Certificate Data Sheet No. E16EA Revision 5". Retrieved January 18, 2009.
^Federal Aviation Administration (July 13, 2004). "Airplane Flying Handbook" (PDF). Archived from the original (PDF) on September 21, 2012. Retrieved September 18, 2012.
^Mooney Aircraft, Inc. (March 1967). Executive 21 Owners Manual.
^ a bFederal Aviation Administration (February 2007). "Docket No. FAA-2006-25948; Directorate Identifier 2006-NE-32-AD; Amendment 39-14951; AD 2007-04-19". Archived from the original on July 13, 2011. Retrieved March 9, 2009.
^Lycoming (2010). "Lycoming Service Instruction 1070Q" (PDF). Archived from the original (PDF) on November 17, 2011. Retrieved November 3, 2011.