Title S.B. 1. INTRODUCTION . Service Bulletins (published since April 1960) describe mandatory procedures that must be observed for safety reasons, and readily identified by the mandatory heading printed Improper maintenance during overhaul leads to engine failure, KUAO Master Plan affirmed, runway to be extended 1,000 feet, Integrated Weather Observation System debuts, World War II combat pilot celebrates 102nd birthday at Solberg Airport, Garmin introduces Smart Rudder Bias for twins, Popular Science names Garmin’s Autoland as one of 2020’s greatest innovations, GA advocacy groups calls for FCC to stop spectrum auction that could affect radar altimeters, Real Pilot Story: Pressure Over the Atlantic. The Master Plan was challenged by nearby cities. Service Bulletins, Letters and Instructions are available to all from authorized Lycoming … Having the ability to … The principals for improving gas mileage in an aircraft are optimizing engine operation, minimizing weight, reducing aerodynamic drag, and improving operation parameters. This year, the 75th anniversary of VJ-Day — Victory over Japan — will be commemorated at Pearl Harbor, where the war began for America. 1377-1 S.I. Looking at the engine data plate it appears someone in the past had re-stamped the data plate to 20° degrees. Oil pans and drain plugs are often "perfectly" located so that it is almost impossible to get to them without burning your hands, as well as spilling oil everywhere. 1299B Cushion and Magneto Drive Gear Modification S.L. When it comes to radio communication between flying objects, the single most important thing a pilot can do is be on the right frequency. See our Comment Policy for more details. engines. Get the most comprehensive customer service and support in the general aviation industry. 388B and Supplement No. Service Bulletins (published since April 1960) describe mandatory procedures that must be observed for safety reasons, and readily identified by the mandatory heading printed in red. Multigrade vs. single grade oil: Which is better for your engine? Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Reddit (Opens in new window), Click to email this to a friend (Opens in new window). I don’t blame you if you don’t — most would agree with you … but all the naysayers are wrong. An icon used to represent a menu that can be toggled by interacting with this icon. 634 Cylinder and Head Assembly Serviceable Life S.B. Service Instructions describe modification, processes and other information pertinent to maintenance repair and overhaul of Textron Lycoming engines. 1 to Service Bulletin No. Certain advantages in engine operation have been found by changing engine timing from 25° BTC to 20 BTC and reducing the lag angle to 15° on impulse coupling magnetos and 15 retard angle on retard breaker magnetos whi-chever is applicable. The aircraft looked very much like a scaled down commercial jetliner, with four individually podded engines suspended from pylons in a fashion reminiscent of the Boeing 707. A growing number of noncertified engines, based on the Lycoming- engine series, are being installed in LAA aircraft. I’m new to a beautiful 1974 Piper Arrow, which still has the original IO-360 C1C installed. 1108C-1 S.I. 524 (A.D. #96-09-10) Supplement No. Post was not sent - check your email addresses! The new assembly operations are at Daytona Beach International Airport in Florida. At overhaul or at owner's discretion. When going over the aircraft during annual, the timing was checked and found to be at 20° BTC. My question is regarding proper mag timing on this engine. Lycoming O-320 The IO-360-C1C, Serial Number L-12928-51A, was originally built using the magneto timing of 25° BTC (Before Top Center). 1136A-1 S.I. ©2020 Avco Corporation. If I tell you that Part 103 ultralights are selling exceptionally well during COVID-19, would you believe it? First flight lesson was Aug. 21, followed by his first solo on Sept. 1. Imagine if every member of your EAA chapter, your pilot association, or your coffee klatch pitched in the cost of one hour of flight time to establish a scholarship to help local kids learn to fly. 524-1* S.B. Total aircraft time is 3,395 hours and TSMOH is 1,309 hours. 1 to Service Bulletin No. Words matter. It is not enough for us to say, “we were here first” or “it’s not our fault you don’t understand the value of an airport.”. Only — and I do mean only — use oils that meet the Mil/SAE specs recommended. Step into the cockpit with pilot Kerry McCauley as he tells the tale of his harrowing flight across the Atlantic. 1504 Cylinder Assembly Inspection/Replacement on O-235 Engines S.L. Read Free Magnetos Timing On Lycoming Engine The IO-360-C1C, Serial Number L-12928-51A, was originally built using the magneto timing of 25° BTC (Before Top Center). Q: Hi Paul, you helped me out a few years back regarding a question on an O-290 D2B and I really value your advice and opinions, so now I’ll ask for your help once again. All Other Engines – 400 hour intervals or earlier if valve sticking suspected until exhaust valve guides are replaced with guides made of improved material. What do you believe? He was the first to fly the first B-29 accepted by the U.S. Army Air Corps after it was delivered to the U.S. Air Corps 40th Bomb Group in Pratt, Kansas. The Lycoming overhaul manual and all appli-cable service bulletins and service instructions, used in con-junction with the appropriate operator’s manuals, constitute the 1316A-1 S.I. All Other Engines – 400 hour intervals or earlier if valve sticking suspected until exhaust valve guides are replaced with guides made of improved material. The pilot's failure to arrest the descent rate during an aborted simulated engine-out approach, which resulted in impact with vegetation and a subsequent cartwheel. My recommendation is to review the engine logbook looking for any reference as to whether compliance with Lycoming Service Bulletin 380 or 380A was ever accomplished. What is the correct magneto timing for this engine? Service Bulletin No. Ted Luebbers certainly stands as a life lesson for all of our chapter members — indeed all of general aviation — that you are never too old to learn new skills. 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