RAF Air Diagram 2184 - Aircraft Torpedo Sighting - Basic Conditions Of Torpedo Release. Approximately 113 x 88cm, March 1942 (April 1942 print date). Prepared by the Ministry of Aircraft Production and printed by S.P.& Co. Ltd. The air diagram illustrates what happens when a Torpedo is released under water or from an aircraft. It shows the sighting calcalations required to ensure a target hit. This is also referenced in AP2495 which is offered for sale elsewhere on the website. The poster has some light edge damage and small tears plus minor damage to folds etc. Very good overall. Stock code P16292.