Event label	Optional label	Method/Device	Abbreviation	O2A Registry URI	Date/Time	Latitude	Longitude	Elevation	Date/Time end	Latitude end	Longitude end	Elevation end	Comment
M143_1-1		Multibeam/Parasound	MB_PS		2017-12-12T16:03:00	43.68662	29.75328	-82.2	2017-12-12T23:07:00	44.09163	30.76355	-172.3	Transit to research region
M143_2-1		Multibeam/Parasound	MB_PS		2017-12-12T23:14:00	44.09472	30.76680	-165.9	2000-12-13T04:15:00	44.04472	30.64185	-136.7	Survey region “S2 channel head”
M143_0_Underway-1		Echosounder, Simrad EK80 (Kongsberg Maritime AS)			2017-12-13T06:49:00	43.96916	30.82329		2017-12-15T06:03:00	44.18621	30.61504		
M143_3-1		Multibeam/Parasound	MB_PS		2017-12-13T07:32:00	43.96628	30.81732	-662.9	2017-12-13T10:52:00	43.97653	30.84635	-576.4	Survey region “Lander Position”
M143_4-1		Sound velocity profiler	SVP		2017-12-13T11:28:00	43.96823	30.82252	-687.2					
M143_5-1		Sound velocity profiler	SVP		2017-12-13T12:49:00	43.97037	30.82247	-687.2					
M143_6-1		Multibeam/Parasound	MB_PS		2017-12-13T18:18:00	43.99873	30.82618	-521.8	2000-12-14T07:59:00	44.04217	30.80620	-360.8	Survey region “S2 channel flank”
M143_7-1		Multibeam/Parasound	MB_PS		2017-12-14T08:17:00	44.06090	30.80813	-310.3	2000-12-14T11:20:00	44.17802	30.59723	-119.8	Transit to shelf survey region
M143_8-1		Sound velocity profiler	SVP		2017-12-14T11:40:00	44.17487	30.59547	-120					
M143_9-1		Multibeam/Parasound	MB_PS		2017-12-14T12:14:00	44.16747	30.59865	-119.3	2017-12-14T15:38:00	44.14455	30.67148	-131.8	Survey region 1 on shelf
M143_10-1		Multibeam/Parasound	MB_PS		2017-12-14T16:07:00	44.16297	30.65045	-129.4	2017-12-14T22:07:00	44.16287	30.65850	-129.7	Survey region 2 on shelf
M143_11-1		Multibeam/Parasound	MB_PS		2017-12-14T22:25:00	44.15778	30.67662	-130.9	2017-12-15T05:58:00	44.18277	30.61195	-125	Survey region 3 shelf
M143_12-1		Multibeam/Parasound	MB_PS		2017-12-15T08:07:00	44.17733	31.03483	-492.4	2000-12-17T15:19:00	44.24218	30.93257	-182	Survey region Eastern slope
M143-track		Underway cruise track measurements	CT			43.21405	27.91473			35.33333	25.13333