Helicopter pilots have it easy in some ways — they do not need runways to take off or land — just a clearing. Well, one look at this video taken on Oct. 26, 2016, showing a Royal Danish Navy Sikorsky MH-60R landing on one of that navy's Thetis-class oceangoing patrol vessels, will how just how tough a landing can be sometimes.
In this video, the Thetis-class patrol vessel is in the midst of a storm. Note the very expert technique the Danish pilot uses to match the vessel's speed, and the very deft touch used to keep from slamming the helicopter into the pitching deck.
The MH-60R is a multi-role maritime helicopter capable of carrying Mk 46, Mk 50, or Mk 54 lightweight torpedoes. It also can carry AGM-114 Hellfire air-to-surface missiles. According to the official MH-60 website, it has a crew of three, a top speed of 140 knots, and can stay up for over two and a half hours.
According to Naval-Technology.com, the Thetis-class ocean patrol vessels displace 3,500 tons, have a top speed of 20 knots, hold 60 crew, and are 369 feet long. The Danish Navy has four of these vessels in service. Two entered service in 1991, two entered service in 1992.