74 Ignition System
TTP B1-L3 ATA 74 Beech 90 Series B2-L3 Ignition Ignition System Ignition 00 General 10 Electrical Power Supply 20 Distribution 30 Switching IGNITION - DESCRIPTION AND OPERATION Description and Operation Two types of ignition systems are available, dependent on a specific application of an engine model to a related airframe. Each system, energized from the aircraft nominal 28-volt DC supply, provides the engine with fast light-ups at all ambient temperatures. One application utilizes the spark ignition system. This system consists of two spark igniters, two shielded cables and an ignition exciter which incorporates solid-state circuitry. The second application utilizes the glow plug ignition system. This system consists of two glow pl...