Asdic in a sentence

This was because the ping from ASDIC could be heard by adversaries from even further away.

Anti-submarine sensors included sonar (or ASDIC), although training in their use was indifferent.

ASDIC was effective only at low speeds.

Developments during the war resulted in British ASDIC sets which used several different shapes of beam, continuously covering blind spots.

Hedgehog allowed the target to be attacked while within the usable range of the ASDIC equipment.

Hedgehog solved one of the most pressing problems, keeping ASDIC contact at short ranges.

In reality, ASDIC could detect only one submarine in 10 during exercises.

More importantly, early ASDIC sets could not look directly down, so the operator lost contact on the U-boat during the final stages of the attack, a time when the submarine would certainly be manoeuvring rapidly.

Research on ASDIC and underwater sound was expanded in the UK and in the US.

Since early ASDIC equipment was poor at determining depth, it was usual to vary the depth settings on part of the pattern.

Submarines were slow while submerged, and ASDIC sets did not operate effectively at speeds of over convert.

The 6th Destroyer Flotilla had ASDIC-equipped vessels in 1923.

The early wartime Royal Navy procedure was to sweep the ASDIC in an arc from one side of the escort's course to the other, stopping the transducer every few degrees to send out a signal.

The effectiveness of early ASDIC was hamstrung by the use of the depth charge as an anti-submarine weapon.

The escort vessels, which were too few in number and often lacking in endurance, had no answer to multiple submarines attacking on the surface at night as their ASDIC only worked well against underwater targets.

The explosion of a depth charge also disturbed the water, so ASDIC contact was very difficult to regain if the first attack had failed.

The first of these destroyers were only taken over by their British and Canadian crews in September and all needed to be rearmed and fitted with ASDIC.

This required an attacking vessel to pass over a submerged contact before dropping charges over the stern, resulting in a loss of ASDIC contact in the moments leading up to attack.

Throughout 1935 and 1936, Dönitz had misgivings regarding submarines due to German overestimation of the capabilities of British ASDIC intelligence.

Unlike depth charges, which were launched behind and to the sides of the attacking ship and disturbed the water, making it hard to track the target because ASDIC lost contact, Hedgehog charges exploded on impact.