i n d e x 321
GPS systems (Cont.)
position fixes, 73
speed/RPM table and, 52, 53
variation, adjustments for, 35
vector charts, 40
grab lines, 279
gradient winds, 251
Greenwich meridian, 28
grounding and ungrounding, 201, 240–41
grounding wire, 262
ground tackle. See anchor rode; anchors
Gulf Stream, 115– 17 , 265
halyards, 188
handbearing compass, 26, 38, 73
hatches, 174
hazards
danger bearings, 84– 86 , 128–30, 129
danger symbols on charts, 8 –11, 46
GPS grid highway to avoid, 90– 91
Rule of 60, 86–87
tidal currents and, 115
header, 93–95, 183–84
headsails
anchoring under, 238–40, 239
backwinding, 200, 201
draft position, 190, 193
furling, 192, 194, 195
heavy weather sailing, 193–95
overtrimming, 192
reducing sail area, 193
sailing if steering fails, 198
sailing into slip, 213–15, 214
sailing under headsail alone, 194
shaping, 180, 190–92, 190
headsail sheet blocks, 180–81
heaving-to, 277
heavy weather sailing, 192–94
height measurements, 6–8
height of eye (HE), 78, 292–93
helmsman, selecting, 200–201
H.E.L.P. survival position, 289
high-altitude clouds, 254
high pressure systems, 251
high seas weather information resources,
256–57
hitch, 243
hockles, 173, 179
horizon distance and height of eye, 17, 77–78,
292–93
horizontal clearance measurements, 7
horizontal loading, 233
hoses and clamps, 156, 182
How to Read a Nautical Chart (Calder), 1
hull damage, staying afl oat with, 283–84.
See also fl ooding emergencies
hull speed, 52–53
hypothermia, 284–85
heat loss in cold water, 286
prevention, 287– 89
signs of, 285
treatment, 289–90
impeller pump, 158
inflatable dinghy, 279
inland waters
demarcation lines, 142
sound signals, 144–45
weather information resources, 256
inlet running, 171–74
inspection, eight-component, 178–82, 179 ,
180 , 181
international date line, 28
international waters, 142, 144, 145
Intracoastal Waterway (ICW), 95– 96
irons, 202
islands
swell diffraction, 266 –67
swell refraction, 264– 65
wind and, 267, 268
isobars, 251, 252
isogonic lines, 35, 36
jacklines, 278
jib, 194. See also headsails
jibing, 143, 184, 197– 99
jiffy reefing, 192–93
katabatic winds, 3, 268
kedge anchor, 227, 229 , 240–41
known position, 74
landfall, calculating timing of, 77– 80
land features
on charts, 3 –4
wind and, 265– 68
landward direction, 14
lapper (mule), 194
lash and stow, 174, 311
lateral buoys, 14–15
latitude, 27–28, 31, 33
lead line, 6, 75–76
leech, 186 , 188 –89, 190 –92
leeway, 117–18
left -handed propeller, 204, 205, 207, 208
life jackets (PFDs), 174, 278–79, 288 –89
lifelines, 179 –80
Lifesling, 276–78
lift, 93–95, 183, 184
lift bridges, 121 , 122, 124
lighted buoys, 12
Light Lists (USCG), 21–22, 23, 126, 128
lightning, 260–62, 261
lightning protection system, 262
lights. See also navigation lights
on bridges, 122 – 24
chart notations, 12
color for ATONs, 16
period (pattern) for ATONs, 15–16, 125–26
red sectors, 128–30, 129
steering from light to light, 127–28
light structures
chart notations, 12
landfall on, calculating timing of, 78 –79
Light Lists (USCG), 21–22, 23, 126