Another dubious assumption:
"MoD's answer is that "this SI was withdrawn from use in 1995 and the details incorporated into he normal Chinook Maintenance Manual". So it looks as though the connectors remained and the SI just became part of normal servicing."
Photgarphs in a 2006 trainee handout show DECU
THREADED connectors.
Are there any current DECU tradesmen out there?
DV