Maritime terms starting with J

3 terms

1. Jack Staff A vertical pole erected at the head of tow directly ahead of towboat. The flag windsock, or peep light aids pilot to align the tow in river navigation.
2. Jockey Line Lashing (rope or wire lines) used to prevent lateral movement between barges.
3. Jumbo Barge A barge that is 35 feet wide by 195 or 200 feet ling and may also be either a hopper or cover-type barge.