41.   Helicopters were also in evidence, with Cobra gunships firing down on Palestinians in several clashes.

42.   Helicopters were in their infancy then.

43.   Helicopter is the preferred mode of transport, for the lucky few who can afford it.

44.   Helicopters generally are vulnerable machines.

45.   Helicopters were the most dangerous.

46.   Human rights groups even charge that American-supplied helicopters have been used to strafe villages.

47.   If a helicopter is available, police use it to keep tabs on the punks, who always drive too fast on streets filled with too many innocent people.

48.   Indeed, some Marine and Army helicopters are older than the pilots who fly them.

49.   In those circumstances the helicopter might be better.

50.   Initially Hytner, the director, did not think the helicopter was at all essential, though he now says he is glad it is there.