Chart Notes

Question 1

Submarine Pipelines and Cables

Answer 1

Additional uncharted submarine pipelines and cables may exist within the area of this chart. Not all submarine pipelines and cables are required to be buried, and those that were originally buried may have become exposed. mariners should use extreme caution when operating vessels in depths of water comparable to their draft in areas where pipelines and cables may exist, and when anchoring, dragging or trawling.
Covered wells may be marked by lighted or unlighted buoys.

Question 2

Note A

Answer 2

Navigation regulations are published in chapter 2, USCP volume 7. Additions and corrections are published in the Notice to Mariners. Information regarding the regulations may be obtained at the Office of the Commander, 14th Coast Guard District in Honolulu, HI or at the Office of the District Engineer, Corps of Engineers, Honolulu, HI. Refer to charted regulation section numbers.

Question 3

Note B

Answer 3

Puako Small Boat Harbor is marked by private aids.

Question 4

Tides

Answer 4

Kawaihae, 20˙02’N 155˙50’W, MHHW 2.1’, MHW 1.6’, MLW –.

Heights referred to datum of soundings - MLLW.

Question 5

Heights

Answer 5

Heights in feet above Mean High Water

Question 6

Pollution Reports

Answer 6

Report all spills of oil and hazardous substances, to the National REsponse Center via 800-424-8802, or to the nearest USCG facility if telephone communication is not possible.

Question 7

Warning

Answer 7

The prudent mariner will not rely soley on any single aid to navigation, particularly on floating aids. See USCG light list and US Coast Pilot for details.

Question 8

Chart Info

Answer 8

United States
Hawaii
Kawaihae Bay
Island of Hawaii
Mercator Projection
Scale 1:10,000 at Lat 20˙00'N
WGS 1984
NAD 1983
Sounding in fathoms at MLLW

Question 9

Horizontal Datum

Answer 9

The horizontal reference datum of this chart is WGS 1984, which for charting purposes is considered equivalent to NAD 1983. Geographic positions which refer to the Old Hawaiian Datum must be corrected on average 11.190” southward and 9.977” eastward to agree with this chart.

Question 10

NOAA Weather Stations

Answer 10

Haleakala KBA-99 162.40 Mhz
Kulani Cone, HI KBA-99 162.55 Mhz
South Point, HI KBA-99 162.55 Mhz

Question 11

Variation

Answer 11

10˙00’ in 2006. No annual change.