That's some long text to translate, mate.
I stumbled upon this site too, but the utilizable information for the ToKG 1b is neglectable. It's the description of an torpedo attack by someone who has only some information and tries to make it important. Some facts mixed with general knowledge.
(i.e.: better sight when closer to target as in nice weather conditions, assistance of copilot/wingman is valuable, 8.8 AA is dangerous when flying higher than 300 meters - other AA seems to be inexistent

... well - some babble...)
In short:
Performing a torpedo attack is a challenging manoeuvre for the pilot.
1: lower than 70 law.
The aircraft has to be lower than 70 meters altitude and slower than 320 km/h in horizontal flight. Higher or faster would cause the torpedo to explode when hitting the watersurface or simply make it sink.
(obviously "facts" for one certain torpedo type)
2.Approach
Ships are hard to hit from 6 or 12 o'clock (

), additionally a long range shot is not reliable. The target may easily dodge the torpedo. AOB of 90° should be achieved to have a bigger target area - the pilots tried to do so.
They had to determine the convoys course direction for a proper AOA. But the ships could change their course, if pilots recognized it they tried to compensate.
3.Torpedos
"For a promising deployment, the Torpedokommandogerät was used. But duds happend like in the U-Boot flottillas."
Picture
Description/technical data of three torpedo types:
- one Italian parachute model, pattern running
- one Norwegian import, used for own further development
- one improved model, the later standard air-torpedo
Interesting facts:
Hitler cancelled import and further development due to lack of success, and Kriegsmarine accepted. He revisioned his decision after several successful attacks of British and Japanese units (some French BBs, Bismarck, Pearl Harbor, Prince of Wales and Repulse). Italy delivered torpedos until the Germans built their own.
Table of types (including some prototypes)