17:
108:
A secondary purpose of the haul-down device is to equalize electrostatic potential between the helicopter and ship. The whirling rotor blades of a helicopter can cause large electrical charges to build up on the airframe, large enough to cause injury to shipboard personnel should they touch any part
88:
Shipboard landing for some helicopters is assisted though use of a haul-down device that involves attachment of a cable to a probe on the bottom of the aircraft prior to landing. Tension is maintained on the cable as the helicopter descends, assisting the pilot with accurate positioning of the
128:
Marine and offshore helicopter decks on board offshore oil platforms and ships are typically regulated by the rules defined within CAP 437, which defines standards for the design, marking, and lighting of marine/offshore helicopter decks, and is produced by the
84:
is usually achieved by first lining up on the port quarter parallel to the ship's heading, then once the deck motion is deemed to be acceptable the pilot sidesteps the aircraft laterally using a white painted line (the bum line) as a reference.
97:". The U.S. Navy implementation of this device, based on Beartrap, is called the "RAST" system (for Recovery Assist, Secure and Traverse) and is an integral part of the
207:
119:
is flown out to a submarine by helicopter. Ryan is lowered to the submarine, but brushes the officer charged with trying to hook him who receives a minor injury.
125:
helicopters in flight are highly resistant to side-winds, which makes them suitable for shipboard use, even without a rope-pulley landing system.
89:
aircraft on the deck; once on deck locking beams close on the probe, locking the aircraft to the flight deck. This device was pioneered by the
184:
141:
of 30 metres (98 ft), and has a weight of 21.3 tons. More typical for vessels would be decks that will accommodate the
98:
248:
218:
111:
28:
94:
214:
130:
116:
134:
8:
138:
90:
164:
66:
109:
of the helicopter as it approaches the deck. This was depicted in the 1990 film
154:
24:
242:
142:
122:
77:
70:
50:
62:
21:
185:"USS Dubuque Hosts Tiger Cruise Following Seven Month Deployment"
159:
46:
16:
61:
and always clear of obstacles that would prove hazardous to a
102:
58:
133:. The largest marine helicopter decks will accommodate the
54:
27:
helicopter prepares to lift off from the flight deck of an
145:
with a D value of 21 metres (69 ft) and 11.9 tons.
187:(Press release). United States Navy. 16 December 2010
69:, it is commonly and properly referred to as the
240:
205:
206:Geyer, W. P. Jr.; Long, K.; Carico, D.
15:
241:
13:
14:
260:
199:
177:
1:
170:
208:"American Clearance Process"
7:
148:
10:
265:
249:Naval aviation technology
215:Naval Air Systems Command
57:, usually located on the
131:Civil Aviation Authority
112:The Hunt for Red October
34:
19:
135:Boeing CH-47 Chinook
137:, which requires a
105:B) weapons system.
91:Royal Canadian Navy
165:Kaman HH-43 Huskie
67:United States Navy
35:
256:
233:
232:
230:
229:
223:
217:. Archived from
212:
203:
197:
196:
194:
192:
181:
93:and was called "
65:landing. In the
32:-class destroyer
264:
263:
259:
258:
257:
255:
254:
253:
239:
238:
237:
236:
227:
225:
221:
210:
204:
200:
190:
188:
183:
182:
178:
173:
151:
39:helicopter deck
12:
11:
5:
262:
252:
251:
235:
234:
198:
175:
174:
172:
169:
168:
167:
162:
157:
155:Naval aviation
150:
147:
47:helicopter pad
25:SH-60 Sea Hawk
9:
6:
4:
3:
2:
261:
250:
247:
246:
244:
224:on 2012-05-27
220:
216:
209:
202:
186:
180:
176:
166:
163:
161:
158:
156:
153:
152:
146:
144:
143:Sikorsky S-92
140:
136:
132:
126:
124:
123:Coaxial rotor
120:
118:
114:
113:
106:
104:
100:
96:
92:
86:
83:
79:
78:Fleet Air Arm
74:
72:
68:
64:
60:
56:
52:
48:
44:
40:
33:
31:
30:Arleigh Burke
26:
23:
18:
226:. Retrieved
219:the original
201:
189:. Retrieved
179:
127:
121:
110:
107:
87:
81:
76:In the UK's
75:
42:
38:
36:
29:
71:flight deck
228:2011-04-04
171:References
82:landing on
63:helicopter
191:2 October
117:Jack Ryan
43:helo deck
22:U.S. Navy
243:Category
149:See also
101:Mk III (
95:Beartrap
160:Helipad
139:D value
115:, when
49:on the
45:) is a
222:(PDF)
211:(PDF)
103:SH-60
99:LAMPS
59:stern
53:of a
193:2019
55:ship
51:deck
41:(or
245::
213:.
80:,
73:.
37:A
20:A
231:.
195:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
