How does ICAO define AIRPROX/NEAR MISS classification categories?

There are 4 airprox classification categories, which are marked with A, B, C, D:

· A – risk of collision; B – safety not assured; C – no risk of collision; D – risk nor determined.

What is MID AIR COLLISION?

MAC - is an accident where two aircraft come into contact with each other while both are in flight.

What are the main strategies for avoiding MID AIR COLLISION?

1. Pilots must always be aware of any potentional traffic when on the ground and airborne.

2. To unsure separation the sufficient distance must be always maintained.

3. It’s necessary to inform ATC if you are going to deviate from your course.

Are you familiar with any incidents or accidents related to MID-AIR COLLISION?

TU-154 of Bashkirian Airlines flight 2937 and Boeing 757 cargo jet of DHL flight 611 collided over Germany on July the 1^st 2002. All 69 passengers and all crew members of both aircraft were killed. The investigation identified that the TU154M crew followed the ATC instruction to descend and continued this maneuver contrary to the generated TCAS resolution advisory.