Table 5. Fuzzy number of flight crew

	1	2	…	269	270
Sb	(80,2.5)	(85,4)T	⋮	(85,4)T	(93,2)T
Ci	(78,2)T	(90,2.5)		(85,4)T	(85,4)T
Se	(85,4)T	(90,2.5)		(80,2.5)	(91,1)T
S	(75,4)T	(70,2.5)		(75,4)T	(91,1)T
Qa	(83,2)T	(71,1)T	⋮	(72,1)T	(85,4)T
Sm	(80,2.5)	(90,2.5)		(75,4)T	(86,3)T
Cc	(80,2.5)	(90,2.5)		(90,2.5)	(85,4)T
Jc	(85,4)T	(90,2.5)		(82,1)T	(85,4)T