FAA Advisory Circular 43.13-1B
Acceptable Methods, Techniques, and Practices
Aircraft Inspection and Repair
AC 43.13-1B | 11. Aircraft Electrical Systems | 20. Electrical and Electronic Symbols | 11-272. Symbols
AC 43.13-1B CHG 1
TABLE 11-27. Electronic/Electrical Symbols (continued).
Symbol
9/27/01
Meaning
Two-Circuit, Maintained, or Not Spring-
Return
Nonlocking Switching, Momentary, or
Spring-Return
Locking Switch
Combination Locking and Nonlocking
Switch
Key-Type Switch
Lever Switch
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