PR ADI - Separation Standards

Question 1

When may separation be reduced in the vicinity of aerodromes?

Answer 1

• each aircraft is continuously visible to the aerodrome controller
• each aircraft is continuously visible to the other aircraft and pilots report maintaining own separation
• flight crew of succeeding aircraft reports other in sight and can maintain own separation

Question 2

Reduced Runway Separation Minima between aircraft using the same runway

Answer 2

• Hours of daylight
• Cat 1/2/3 aircraft
• Between landing/landing or departing/departing only
• wake turb / vis/cloud / tail wind / RWY surface

Question 3

Controller actions after loss of separation?

Answer 3

• Use every means to obtain required separation with least possible delay
• Pass traffic information otherwise essential traffic information

Question 4

What may an exact reporting point be defined by?

Answer 4

• VOR
• NDB
• 2 VOR radials
• VOR radial / NDB bearing + DME

Question 5

Define longitudinal separation for departing aircraft

Answer 5

• 1 minute, tracks diverge 45° or more immediately after take off
• 2 minutes, preceding TAS 40kts faster, no manoeuvres
• 5 minutes, preceding TAS 20kts faster