Audio Panel Harness Lengths
Length A - From the ACM's "Audio Panel" connector to the back of the audio panel or intercom.
Length B - From the back of the audio panel / intercom to the Pilot's Headset Jacks
Length C - From the back of the audio panel / intercom to the Copilot's Headset Jacks
Length D - From the back of the audio panel / intercom to the 1st passenger's Headset Jacks
Length E - From the back of the audio panel / intercom to the 2nd passenger's Headset Jacks