Chartlet #6

Question 1

Latitude 33°43’N

Answer 1

・Intersects Pier 400 6mm N of SE end of Pier 400 (measuring from bottom of flat E-facing section.
・Crosses the TOP of the Middle Breakwater 149mm from the west end of the Middle Breakwater.

Question 2

Latitude 33°42’N

Answer 2

48.5mm from southern edge of chart.

Question 3

Longitude 118°15’W

Answer 3

・12mm due E of SP Breakwater.

・Intersects Pier 400 at 9mm, 17mm, and 60mm. All measured from western ends of Pier 400.

Question 4

Longitude 118°14’W

Answer 4

・Crosses the BOTTOM of the Middle Breakwater 94mm from the west end of Middle Breakwater.

Question 5

Longitude 118°13’W

Answer 5

・Crosses the TOP of the Middle Breakwater 232mm from the west end of Middle Breakwater.

Question 6

San Pedro Breakwater N Cable Area

Answer 6

・Along the straight edges, it runs parallel to SP Breakwater, 4mm off (touching edge of N Pier on the W side of the curve).
・Goes to the nub just W of the LA Light and connects with LA Entrance Cable Area.

Question 7

LA Entrance Cable Area

Answer 7

・Runs from connection with SP Breakwater Cable Area, at right angle to SP Breakwater for 3mm, starting from nub just W of LA Light.
・Crosses LA Entrance slightly steeper than parallel. Goes 5mm past end of M Breakwater, 8mm off.
・Runs at right angle to Middle Breakwater for 8mm and continues past Middle Breakwater for 6mm.
・Crosses to the S of LA Entrance slightly steeper than parallel. Ends abeam LA Light, 7mm off.
・Goes to LA light, 7mm, perpendicular to the Breakwater.

Question 8

・Regulated Navigation Area Line
・Colregs Demarcation Line
・Territorial Sea

Answer 8

Directly between SP and M Breakwaters:
・Thick dashed magenta line.
・Dashed magenta line.
・Solid gray line.

Question 9

LA Ferry Routes

Answer 9

Start on Territorial Sea 39mm from SP Breakwater:
・218° to chart edge.
・190° to chart edge. Meets chart edge at 118°15’W.

Question 10

LA Pilot Area

Answer 10

・Start 2mm Due S From SP Breakwater. 174° until chart edge. Meets chart edge 1.5mm E of 118°15’W.
・Start 208° at 6mm from Middle Breakwater. 143° until chart edge.
・Connect the two above points.
・Inner Line 2.5mm thick.

Question 11

Main Channel Line - WEST (Southern Section)

Answer 11

Start at 114°, 18mm from SP Breakwater: 159° to chart edge.

Question 12

Main Channel Line - EAST (Southern Section)

Answer 12

Start at 275° for 13mm from W end of Middle Breakwater: 159° to Chart Edge (parallel w/ MCL - W).

Question 13

3) LA Approach Buoy “5”

Answer 13

On Western Main Channel Line, Due S of LA Entrance Lt. 8.

Question 14

4) LA Approach Buoy “6”

Answer 14

On Eastern Main Channel Line, Abeam from Buoy “5” (perpendicular to course).

Question 15

Pier 400, SW Corner - Reference Points

Answer 15

・P400 #1: 229° for 13mm (for Main Channel Line - East)
・P400 #2: 227° for 40mm (for Main Channel Line - West).
・P400 #3: 241° for 52mm (for Main Channel Line - West).
・23) Lt “B”: 231° for 56mm.

Question 16

LA Main Channel Range

Answer 16

・115.4°. Ends about 5mm from Colregs Line.

Question 17

Main Channel Lines - EAST

Answer 17

・From 400SW #1 to top of Main Channel Line East (southern section).
・Parallel with Main Channel Range Line.
・15. Off Pier 400 Point Buoy “10”: Just inside Eastern Main Channel Line, 7mm SE from 400SW #1

Question 18

Main Channel Lines - WEST

Answer 18

・From 400SW #3 to 400SW #2.
・From 400SW #2 to due N of LA Light, parallel to Main Channel Range Line.
・From end of above line to the top of the Main Channel West Line (southern section).

Question 19

Dike Plan - East Edge

Answer 19

・Dike is 2.5mm thick.
・Light “B” is in the middle of the Dike, at the top.
・Draw a line from the edge of SP Breakwater to Light “B”.
・13) Dike Lt “A”: On outer edge of the line above (line actually bends out toward it), due W of Middle Breakwater West End.

Question 20

Pier 400 Channel Plan

Answer 20

・400-WSW Line: From 400SW #1, parallel to the WSW side of Pier 400, 11.5mm off. Connects with Pier 300 Turning Basin Lines (Chartlet #2).
・Connection Line: From 400SW #1 draw a line towards where Pier 400 intersects with Latitude 33°43’N. It connects with the 400-SSW Line (below).
・400-SSW Line: 400-SSW Line is parallel at 7mm off. Starts at intersection of small line (above) and ends due S of S-most point of Pier 400.
・400-SSE Line: 400-SSW Line is parallel to the Middle Breakwater. Starts at end of line above at due S of S-most point of Pier 400. Ends when connecting to the next line below.
・400-PE Line: 400-PE Line is 11.5 mm off and parallel to the E side of the Pier 400 peninsula.
・400-CN Line: 400-CN Line is parallel to the S side of Pier 400, 7mm off.
・400-CE Line: 400-CE Line is 32mm off and parallel to the E side of the Pier 400 peninsula (parallel to 400-PE Line).
・SMSS Line: SMSS Line is parallel to the odd corner of the Submerged Material Storage Site at 4mm.
・400-TBW Line: Parallel with the long Submerged Material Storage Site lines, but in line with SMSS Lt “B”.
・400-TBS Line: Parallel to Middle Breakwater at 7mm off. Ends 8mm from the end of the Middle Breakwater.
・Last Line: Starts 8mm away from Middle Breakwater, and stays this far off at Colregs Line. Ends on Main Channel East Line about 3mm S of LA Pilot Area Line.

Question 21

12) Lt “T”

Answer 21

Due south of the Pier 400 Channel Elbow very close to the south edge of Pier 400.

Question 22

Submerged Material Storage Site (SMSS) SE Corner - Reference Point

Answer 22

SMSS: 146° at 34mm.

Question 23

B Anchorage Outline

Answer 23

・From SMSS Reference Point, runs to MBC #1 Reference Point.
・From SMSS reference Point, runs almost parallel to Submerged Material E line (1° flatter).

Question 24

Middle Breakwater Corner - Reference Points

Answer 24

・MBC #1: From TOP of Middle Breakwater’s Corner, 1.5mm E, then Due N for 6mm.
・MBC #2: From TOP of Middle Breakwater’s Corner, 9mm E, then Due S for 48mm.

Question 25

G Anchorage Outline

Answer 25

・Both lines start from the following point: 125° for 57mm from W end of Middle Breakwater.
・Line runs directly at LA Entrance Light “8” to chart edge.
・Next line runs parallel to Middle Breakwater (47mm off) to MBC.