Annual report pursuant to Section 13 and 15(d)

Note 3 - Equipment Acquisitions and Dispositions - Equipment Acquisitions and Dispositions (Details)

v3.19.1
Note 3 - Equipment Acquisitions and Dispositions - Equipment Acquisitions and Dispositions (Details)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Acquired 8 [1] 11 17
Removed from service 16 [2] 4 9
Fast Support Vessels [Member]      
Acquired [1] 6 12
Removed from service 9 [2]
Offshore Support Vessels, Anchor Handling Towing Supply [Member]      
Acquired [1] 5 2
Removed from service 1 [2]
Offshore Support Vessels, Specialty [Member]      
Acquired [1] 1
Offshore Support Vessels, Standby Safety [Member]      
Removed from service 3 [2] 1 4
Offshore Support Vessels, Liftboats [Member]      
Acquired 6 [1]
Removed from service 2 [2] 2
Offshore Support Vessels, Supply [Member]      
Removed from service [2] 1 5
Crew Transfer Vessels [Member]      
Acquired 2 [1] 2
Removed from service 1 [2]
[1] Excludes two AHTS vessels purchased from Managed Entity Seacor 88 and Seacor 888, and one crew transfer vessel purchased from the Company's joint venture FRS Windcat Offshore Logistics.
[2] Excludes the sale of (i) a 51% interest in one supply vessel held by the joint venture Seacor Marlin LLC, (ii) one crew transfer vessel to the joint venture FRS Windcat Offshore Logistics and (iii) three vessels that were previously removed from service (one FSV, one tow-supply vessel and one supply vessel).