... the lowerwingreadytoguide the machine,whileWilburstarted it. The engine came alive. The propellersspun. The plane shook. It rolleddown the beach. Thensuddenly it wasup in the air. It bobbed up and down. It swayed a littlefromsidetoside. ... Yet,forapilot it is the easiestthingin the world.Someof the importantinstrumentsstrewnbeforehiminclude the air-speedindicatorwhichtellsyou how fast the planeistravelling; the compasswhichshows the direction the planeistravellingin; the altimeterwhichtellsyou how high the plane isfrom the ground; the attitudegyrowhichindicates the plane'spositioninrelationto the horizon; the turn-and-bankindicatorwhichtellsyouwhether the planeisflyingstraight; the vertical-speedindicatorwhichshows the rateatwhich the 1. The pilot2 ... Radioaltimeter8.Pressurealtimeter9.Engineswitches The cockpitRightupinfront,in the cockpit, sit the mostimportantpeople, the captain and the crew. The pilotchecks in90minutesbeforetake-off, andgoesthrough the flightplan,thatis,...