In the engine of game there is an essential bug - if your helicopter will be counter detection "not by the friend" and the is classified as -HOSTILE -, then by the helicopter the NavalSimEngine will under duress switch ON a Your Helo radar.[Evil,Damn It…]
It is fair as well for the surface ships - while they were NOT found out by an enemy, the radars at them will be switched off ( If EMCON Option Enabled In Mission Editor). But if there will be an counter detection (for example: AI SUB will find out this ship), the NavalSimEngine also will switch ON radars by the ship.
It is simply incredible - how the submarine can, SWITCH ON radars an the Enemy ship and even by the at helicopter with which the player from the ship controls?