AFVA Aircraft Operations Manual - Air France Virtual Airlines

Boeing 707-320 Operating ManualC14 Radio altimeter- The radio altimeter indicates the height above ground in feet- Decision height selector knob for adjusting the decision height- Radio altimeter warning flag covering the lower height indication if the altimeter is inoperableC15 Flight director panel- Flight director indication light indicates the FD as active- The flight director switch activates the flight director- The indication of the flight director is displayed in the HFD (See C05)C16 Icing indicationC17 True airspeed indicator (TAS)- This gauge indicates the true airspeedC18 Spare horizon flight directorThe spare HFD provides the same functions as the HFD (See C05). Airliners have to have at least twoHFDs at a minimum but three HFDs are better. One is placed in the Captain's panel, one in the FO's paneland the spare HFD is in the middle sectionC19 Oil pressure warning lamps- Left lamp for the pressure in engine 1- Right lamp for the pressure in engine 2- The indications for engines 3 and 4 are displayed in M08C20 Altitude alert counter- The altitude to be alerted (Target altitude and or cruise level, etc.) can be adjusted here- Before reaching a window of 1000 ft around the alert altitude, the crew will be alerted by a buzzer14