Need to know Flashcards
On the inlay. How many meters equal 6” of longitude?
165 meters
On the inlay. How many meters equals 6’ of latitude?
180 meters
What scale is the inlay on?
1:5000
What scale is the chart on?
1:15000
What chart datum is the inlay on?
North American Datum 1927
What chart datum is the chart on?
North American Datum 1983
World Geodetic System 1984
Sediment Traps
Designed to delay shoaling. May shoal at a rapid rate spilling over to channel. Mariners should exercise caution
Note F
Strong northerly gulf stream current. Please adjust for set and drift
Note C
Due to narrow one way channel large in bound and outbound commercial ships are limited in their ability to maneuver. Small craft are advised to keep clear of shipping.
What pattern is found on the south side of the entrance channel for water depths
38 37 38 37
What are the depths on the north side of the entrance channel.
39 38
Where does the settling basin fit into?
Between 48” W and 42” W to the entrance channel
Where does the fish haven settle into on the inlay?
From 42”W to 06” N
What are the controlling depths from left to right of the entrance channel in the tabulation?
32.4, 32.7, 32.7, 35.9
What are the controlling depths from left to right of the Lake Worth Inner Channel?
33.0, 35.4, 35.4, 32.9
