Table 1. Sampled respondents

Class		No. of Resp.
Sex	Male	94
	Female	3
Age	30s	11
	40s	39
	50s	35
	60s	12
Airline	FSC (Korea)	43
	LCC (Korea)	48
	Foreign airline	6
Flight time	∼3,000	13
	3,001∼5,000	16
	5,001∼7,000	15
	7,001∼10,000	28
	10,001∼	25
Rank	Captain	78
	Co–Pilot	19