vùng hạ cánh 
landing area, landing zone [ vùng ] : (1) region, area; (2) to leave in a hurry
[ hạ ] : (1) summer; (2) to lower, let down (price, flag); to land (a plane)
[ cánh ] : (1) wing, pedal; (2) [CL for sails]
Most Common Compounds Set 1:
Most Common Compounds Set 2 :