Scope: This specification establishes the performance, qualification, acceptance limits, and identification for aeronautical engine high tension spark igniters.
Classification: Spark igniters of the following gap types and outline configurations are covered by this specification.
Class A - Flange mounted, right angle termination
Class B - Flange mounted, straight termination
Class C - Thread mounted
Type I - High voltage, air
Type II - High voltage, surface
Type III - High voltage, air surface