There have been cross-party calls for a review into the number of helicopter flights over London.

BBC: London helicopter crash victim Matthew Wood killed in fire

The winter weather has also been causing ongoing problems since last week for offshore industry helicopter flights.

BBC: Snow misery continues in north east of Scotland

Talisman said it hired a 120-person vessel to mobilise personnel offshore "to supplement the limited helicopter flights available at present".

BBC: Island Enforcer

The BBC's David Loyn in Kabul reports that on any day there are an average of 100 civilian helicopter flights across Afghanistan.

BBC: Afghan map

The accident has raised the issue of how to ensure helicopter flights over the capital are safe, particularly as high-rise developments mushroom near the Thames.

CNN: London helicopter crash prompts safety questions

He said that, once airborne, pilots would have to leave the restricted zone, which would take about 25 minutes, rendering it pointless for short helicopter flights or one-hour flying lessons.

BBC: Redhill airfield

Since October, Eritrea has imposed a ban on helicopter flights by the UN peacekeeping forces along the border, and then in December, demanded that the nationals of some of the countries participating in that peacekeeping force be withdrawn.

NPR: Tensions on the Rise in Horn of Africa

There is sailing, jet-boating, sandboarding and helicopter flights, or more gentle outdoor pleasures like chasing the reflections on a mirror-calm Gordon River cruise, riding through the rainforests on a restored heritage railway or being driven to the heart of it all in a comfortable 4x4.

BBC: Tasmania's wild wild west

The Civil Aviation Authority (CAA) recently changed flying regulations to allow helicopter night flights.

BBC: Air ambulances to fly at night in Sussex, Kent and Surrey

Previously, the emergency helicopter at Dunsfold was limited to daytime and early evening flights.

BBC: Dunsfold-based air ambulance to fly at night