TABLE A-17  U.S. Flag Vessels by Type and Age: 2005,,,,,,,,,,,,,,
Number,,,,,,,,,,,,,,
,Age group (years),,,,,,,,,,,,,
Vessel types ,< 6,6–10,11–15,16–20,21–25,> 25,,,,,,,,
Dry cargo,115,106,74,137,116,419,,,,,,,,
Tanker,11,13,4,3,30,39,,,,,,,,
Towboat,336,321,157,155,907,"3,406",,,,,,,,
Passenger,62,96,114,150,98,321,,,,,,,,
Offshore support/crewboats  ,244,"26,247",107,59,464,629,,,,,,,,
Dry barge,"4,140","5,611","3,120","1,507","5,174","8,113",,,,,,,,
Tank/liquid barge,743,512,333,43,535,"1,985",,,,,,,,
"NOTES: Data includes vessels available for operation. Age is based on the year vessels were built or rebuilt.  Passenger includes passenger excursion/sightseeing, combination passenger and dry-cargo vessels, and ferries.",,,,,,,,,,,,,,
"SOURCE: U.S. Army Corps of Engineers, Waterborne Transportation Lines of the United States, Volume 1, National Summaries (New Orleans, LA: annual issues).",,,,,,,,,,,,,,
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