The Ships: RKF-6C | HF-27 | STM-3 | FAS-2B | MMS-4A | MHA-1 | PF-12 | MDS-3A
The Weapons: Overview | Autocannons | Railguns | Plasma Guns | Missiles | Rockets | Mines | Plasma Torpedo | Grunts | PIDs | Radar Countermeasures
The Story: Original | Planetary Raiders?
Passive Inertial Detonator (PID)
"Passive Inertial Detonator" is merely a fancy way of saying "Bomb". In this case, a big, high explosive one. Boresight aiming, nothing highly technical. The PID travels along the same course and speed as your ship at release.
(Compiled from the Raider Wars helpfile.)