Table 2. Day/night fatal HEMS accident comparison (1995~2013)[6].

Year	All day HEMS fatal accidents	All night HEMS fatal accidents	Total flight HRS(TFH)	All day HEMS Far(62% of TFH)	All night HEMS Far(38% of TFH)	Total HEMS Far	(N=32) Night HEMS fatal LCTRL & CFIT	(N=32) Night HEMS fatal LCTRL & CFIT Far
1995	0	1	171,670	0	1.53	0.58	1	1.53
1996	0	1	185,239	0	1.42	0.53	1	1.42
1997	0	2	190,497	0	2.76	1.04	1	1.38
1998	1	3	187,216	0.86	4.21	2.13	2	2.81
1999	1	2	207,327	0.77	2.53	1.44	1	1.26
2000	1	3	194,271	0.83	4.06	2.05	2	2.70
2001	2	2	217,584	1.48	2.41	1.83	0	0
2002	2	3	230,000	1.40	3.43	2.17	1	1.14
2003	2	2	255,000	1.26	2.06	1.56	2	2.06
2004	1	5	290,000	0.55	4.53	2.06	5	4.53
2005	4	2	340,000	1.89	1.54	1.76	2	1.54
2006	2	1	370,000	0.87	0.71	0.81	1	0.71
2007	1	1	372,000	0.43	0.70	0.53	1	0.70
2008	2	5	369,000	0.87	3.56	1.89	4	2.85
2009	0	2	345,000	0	1.52	0.57	2	1.52
2010	2	4	352,000	0.91	2.99	1.70	2	1.49
2011	0	1	375,000	0	0.70	0.22	0	0
2012	0	1	380,000	0	0.69	0.26	1	0.69
2013	0	5	400,000	0	3.28	1.25	3	1.97
Total	22	46					32
Average				0.64	2.35	1.28		1.59