LANDING GEAR DEVELOPMENTS

Noise Reduction

1. As engines become quieter, landing gear is now making a dominating component of noise in large commercial aircraft

2.European co-financed research project Silencer is trying to create low noise landing gear design

3.Desires 10db reduction in landing gear noise by 2020, has only dropped 3db so far.

Gear up landing prevention system

1. NTSB reports that the majority of gear up landings are due to equipment malfunctions.

2. Gear up landing prevention systems will disengage autopilot and alarm at a preset safety altitude if every piece of landing gear is not extended and locked.

3.It can be disengaged if a belly landing is the only option