Noise Abatement Procedures

Question 1

To what aircraft do noise abatement procedures apply?

Answer 1

• To all jet propelled aircraft

- all other aircraft with MTOW above 5700kg. (Jepp Term: AU-13)

Question 2

Under what circumstances will noise abatement procedures not be taken into account when selecting a rwy for departure or arrival?

Answer 2

• Low cloud, thunderstorms or poor visibility
• 20kts crosswinds and 5kt tailwinds on dry rwys
• 20kt crosswinds and tailwinds on wet rwys
• Wind shear
• Pilots opinion that it is unsafe. (Jepp Term: AU-13)

Question 3

Do noise abatement procedures apply when the tower is closed?

Answer 3

Yes, if the noise abatement procedure doesn’t conflict with the circuit direction of the rwy in use. (Jepp Term: AU-13)

Question 4

Do noise abatement procedures apply when an aircraft has suffered an engine failure or loss of performance due other means?

Answer 4

No. (Jepp Term: AU-13)

Question 5

What is the standard noise abatement compliance procedure?

Answer 5

• climb at V2+10 - V2+20
• maintain take-off power to 1000ft
• maintain + RoC, accelerate to flap retraction speed and retract flaps
• reduce power to normal climb power
• keep climbing at Vzf + 10 to 3000ft
• accelerate to Venr
• maintain rwy heading unless otherwise specified by ATC or SID.