[Heibges]

1. Per the Uboat Commanders Handbook, regular hydrophone checks only at dawn and dusk.

2. Per the Uboat Commanders Handbook, fire 2,3, or 4 torpedoes at all targets.

3. Per Uboat Commanders Handbook,use Ahead Slow as default patrolling speed.

4. Per Uboat Commanders Handbook, use one of 3 prescibed methods for conducting a gunnery raid. Maximum range for deckgun is 1100m.

5. Dead is Dead.

6. Move external torps to inside ship only in calm weather.

7. Submerge to reload all topedo tubes in rough weather.

8. Stay submerged in Heavy Fog.

9. Break off contact and re-establish after every attack. No hiding under convoy to reload torpedoes.

10. Try to get within 1000m for all torpedo shots.

11. Never attack convoy escorts even if attacked. Evasion only.

12. 56 Days Maximum at sea for Type VII. 63 Days total for Type IX, accept for long range IXD Patrols which may last for 135 or more days.

13. No sinking of hospital ships.