The pilot did not refer to any problems while flying the Robinson R22 in good weather on a route from Manston Airport in Kent to Fenland Airfield, near Spalding in Lincolnshire.

BBC: Ely helicopter crash

Depending on weather and the like the exact route can vary.

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The weather turned out to be horrible and the route menaced by rock and ice fall.

WSJ: Banff Mountain Festival | A Nature for the Great Outdoors | By Michael J. Ybarra

Glacier Girl was part of a squadron of six P-38s and two B-17s en route to Iceland in 1942 when bad weather forced them to crash-land on a glacier in Greenland.

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The 4, 300 mile route takes competitors through a number of diverse weather systems, including the trade winds off the Canaries and Cape Verde islands, and the doldrums over the equator.

BBC: Transat Jacques Vabre

Then during a half-hour, instructor-led session, you decide which weather conditions are the most optimal to fly through on a route between Heathrow airport and Dubai, and attempt a takeoff, a brief cruise and a landing.

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"Constantly we are monitoring weather forecasts to keep in line with the sun, plotting our route, examining wind, wave and current predictions, communicating with other vessels on the satellite phone, updating our blog and logging our positions, " he said.

CNN: STORY HIGHLIGHTS

He was able to show everything about flights, how long they were delayed on the ground, what route they took geographically, how the routes over the last 90 days of that same airplane compared with weather systems.

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