TM 1-1520-240-MTF
1-4
Symbols Preceding Numbered Steps.
F
-
Indicates flight engineer function or response.
O
-
Indicates If Installed.
¯ - Indicates copilot crew stations duties.
B
-
Indicates a task or step required by the Operators
Manual.
*B -
Indicates a task or step required by the Operators
Manual and for through-flight flights.