Flight Recovery Method of Regional Multiairport Based on Risk Control Model

Algorithm 1

Subalgorithm 3: allocation about flight take-off and landing time.

(1)	Input , , All constraint indicator
(2)	for
(3)	, Initialize:
(4)	if is False, Then Update:
(5)	if is False, Then Update:
(6)	if is False, Then Update:
(7)	if is False, Then Update:
(8)	if or is False, Then Update:
(9)	if or is False, Then Update:
(10)	if is False, Then Update:
(11)	if or is False, Then Update:
(12)	Update: , the flow of all resources
(13)	end for
(14)	Compute the number of flight conflict and taxi conflict
(15)	if or or is False,
(16)	Then return Subalgorithm 2, using again