If airplanes are used for search, the use of helicopters in many countries of the world consists in the delivery of a rescue team, especially when searching on land. Where possible, a helicopter can land, take on board those caught in an emergency or emergency and take them out.
The use of helicopters in rescue activities. Landing site preparation. Helicopter rescue without landing. Winch lifting technique.
Helicopter pilots have the opportunity to find a convenient place for landing, where the rescuers can go, but it will be easier for the rescuers to check the landing place directly on the ground and, if necessary, to equip the landing pad.
kit. If the ground is covered with snow, then firmly trample it so that the snow curtain does not rise, and in a dry area moisten the surface if possible so that dust does not rise.
Indication of wind direction for helicopters.
It is important to indicate the direction of the wind at the landing site, so that the pilot can select the best landing path and keep the car in a stable position during rescue operations. Smoke is an ideal indicator, but do not position its source so that the area is obstructed. If the bonfire cannot be used, make a T sign from the material contrasting with the background and place it on the edge of the landing area where the wind blows, so that the crossbar of the letter T is located on the side of the wind.
If the T sign is not made of anything, then a person standing on the far (in the direction of the wind) edge of the platform with outstretched arms and his back to the wind can serve as a living sign for the pilot. Do not make this sign until the time comes, and then only in the correct position. It is very similar to another sign given with the help of a person’s body position. Help is needed..
Helicopter Rescue at Night.
The rescue helicopter has powerful spotlights that can be used to land and take people on board, but it will take lights to bring the pilot to the landing site. Pyrotechnics and bonfires will give an indication of your location as soon as the helicopter enters their area of visibility. If you use lights from the ground with flashlights, searchlights for cars or other searchlights, first shine them in the sky to attract attention with their rays, and when the pilot sees them, so that they do not blind, lower the rays down to the point of landing or lowering winches.
Helicopter landing precautions.
When the helicopter landed on the landing pad, its blades continue to rotate. Therefore, the right approach to the helicopter is important both for your safety and for the safety of the helicopter.
Never approach from behind. This is a dead zone for pilots, and the rear vertical propeller has no protection. On a slope, always approach, moving up, so you will be further from the screw.
In no case do not get closer to the helicopter, descending from the slope. You can get under the screw.
Make sure that your burden does not damage the main screw. If you are carrying a radio station, remove the antenna.
Keep all sharp objects away from the machine body. It is made of soft alloys and is easily damaged..
Sit down where the crew member pointed, fasten the seat belt and do not detach until there is another team.
After landing, do not exit until the engine is turned off and even then wait for the appropriate instructions.
Helicopter rescue without landing.
In a rescue operation, a helicopter pilot will take risks to save people. It may freeze by placing only one rack or ski chassis on a rock so as to make landing possible, but at any opportunity make a normal landing pad and reduce the risk to a minimum. Most rescue helicopters are equipped with a winch. If the landing pad is not possible, then people can be lifted from the ground while the helicopter hangs in the air. All that is needed is free space through which you could be pulled out.
Helicopter Hoist Lifting Technique.
A large amount of static electricity builds up on the aircraft. It is discharged into the ground or into the water when the ship or the conductor coming from it touches the ground or water. Always first let the sling or cable from the helicopter’s winch touch the ground or water before tackling this lifesaving end, otherwise you will get a strong electric shock. When rescuing, the two-person lifting method is usually used, but sometimes one-person lifting is also used..
Two-way climb: when lifting together on a winch, lower a crew member with a second line for the rescued. During the ascent, the crew member supports the victim with his feet, grabbing him by the middle section of the body, and holding his head with his hands. After the sling is put on and fastened, hold your hands on the sides and do not lift them, just lean back and take advantage of the moment of rest.
Climb alone: when lifting, you yourself fasten the sling on yourself. After placing his armpits and tightening securely, lift two thumbs up. Having given this signal, do not make any signs until you are on board, if you raise your hands, you risk slipping out of the line. When you reach the cab door, let the hoist turn you around and move you into the cab. Follow his instructions exactly. On board you will be shown where to board. Do this and fasten your seat belt or wait for you to be fastened in some other way.
Helicopter lifting victim out of water.
Both of the previous methods can be used on water using the same basic technique. If you are on a raft, detach yourself from the safety rope. Fold the boat canopy, other bedspreads and lower all the sails with everything that you raised. Put a floating anchor. These actions will help the pilot hover over you so that your boat is in a stream of air under the blades. Stay on the raft or in the boat until you are dragged.
Helicopter rescue at sea.
If the crash victims are lifted from the side of the ship, then the pilot will help if you turn the deck at an angle of about 40 degrees against the wind. If you can control the course of the ship, make sure that the wind above the deck is about 30 km / h.
Based on the book Complete Survival Guide for Extreme Situations, in the Wild, on Land and at Sea.