The Bendix / TCM / CMI magnetos are still the best choice for your engine.

The S1200 Series, such as the S6RN-1225 are generally considered the “Cadillac” of magnetos. They have large coils and distributors and work extremely well at higher altitudes without the hassle of pressurization.

The S20 and S200 Series, such as the S4RN-21, S6RSC-25 or S4LN-204 are the most common models. They provide a hot spark and are available for most engine models.

The older SF and SB “Mailbox” Series can still be serviced but can be difficult to find parts for.

The D2000/D3000 Series of “Dual Magnetos” are found on some Lycoming engines. They have gotten a bad reputation over the years but are quite reliable if maintained properly. The D2000/D3000 Series has been “orphaned” by CMI and the best source of service for them is currently Kelly Aerospace.

Bendix/TCM/CMI Magneto Overhaul

Point Aviation’s “PRECISION MAGNETO” program provides top quality testing, inspection, repair and overhaul of most Bendix S20 – S200- S1200 Series magnetos. Your magneto is disassembled, cleaned, inspected, refinished and reassembled. Distributor bushings and cams are oil baked, distributor contacts cleaned, internal “e-gap” timing is precisely set and rotor is re-magnetized. Bearings, Capacitor and Contact Sets are replaced as well as all other components not meeting CMI’s standards along with all of CMI’s required overhaul components. Coils and capacitors are tested hot to duplicate engine running conditions and the completed magneto is test run on our custom test bench to assure proper operation. Pressurized magnetos are pressure tested to assure proper airflow. All applicable AD’s and pertinent Service Bulletins are accomplished during overhaul.

Bendix 500 Hour Inspection

Your magneto is disassembled as required for inspection, testing and periodic maintenance. All components not meeting CMI’s standards are replaced along with all of CMI’s required maintenance components. Bearings are serviced, distributor bushings and cams are oil baked, distributor contacts cleaned, internal “e gap” timing is reset and rotor is re-magnetized. Coils and capacitors are tested hot and completed magneto is test run to assure proper operation. All applicable AD’s are accomplished and pertinent Service Bulletins will be addressed.

You will be provided an estimate for repair, overhaul or replacement prior to any work being accomplished.  In shop times are typically 1-3 days for repairs and 500 Hr inspections and 3-5 days for overhaul.

“Aviation in itself is not inherently dangerous, but to a degree even greater than the sea is terribly unforgiving of any carelessness, incapacity, or neglect.”

— Cap. A.G. Lamplaugh, British Aviation Insurance Corp., ~1930

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