The Altimeter

This panel's altimeter has a digital reading of the entire altitude, by means of rotating drums (In 707s from a few years earlier, only the thousands were displayed numerically). The gauge also displays its pressure setting by means of numeric drum readouts, in both imperial and metric units.

The Radio Altimeter

This instrument indicates the aircraft's height above the ground, and is useful for judging the approach to the ground when landing. The instrument reads as far as 2,500 ft, and contains an adjustable Decision Height bug - when the decision height is reached, the DH light on the ADI will come on momentarily.

The RMI

This instrument on the Captain's panel has two switches, permitting the needles to be switched between pointing to the VOR, or the ADF. The newest version of these 707 panels includes two ADF radios.
Directly below the RMI is the DME 2 readout, giving the distance to the NAV 2 beacon. The distance to the NAV 1 beacon is given on the HSI.

The DME

Below the RMI, there is a readout for the distance to DME 2 (the DME 1 readout is on the HSI).

The Turn Co-ordinator

This instrument is in some ways a hangover from the instrument panels of piston-engined aircraft - the needle indicates the rate of turn, while the ball indicates slipping or skidding of the aircraft. If you have Auto-Coordination switched on in FS2004, the ball will always be centred.

The Clock

The 707 is fitted with an analogue clock with hour, minute and second hands. To adjust the clock, there is a knob at the lower right which increments/decrements by 1 minute per click. When passing through zero, the hours change accordingly, as with a real analogue clock. However, to speed up setting time, there is an extra knob at the lower left which adjusts hours directly. Note the small inset clock above the main clock - this reads Zulu Time.

The Flight Control Positions Indicator

This instrument, located on the First Officer's panel, indicates the position of the flight controls. When the control column or autopilot are commanding a roll to the left, the aileron position indicator rolls right - this symbolizes the movement of the ailerons up on the left hand side of the aircraft, and down on the right hand side.

This ADI layout was used on most US-built airliners from the mid-60s up until the 1980s, when EFIS computer displays began to take over. In addition to the attitude indicator, the ADI contains the following components:

• Fast-Slow Gauge- to the left of the attitude indicator this indicates the aircraft's airspeed, relative to the speed selected with the airspeed bug. Each dot on the scale represents 10 knots.
• Localizer and Glideslope indicators - located below and to the right of the attitude indicator respectively, these indicate the aircraft's position relative to an ILS beam. This information is also available on the HSI.
• Decision Height Light - comes on momentarily when descending through the Decision Height.
• Flight Director - allows the autopilot to give commands to the pilot, rather than flying the aircraft directly. This is integrated with all of the autopilot's modes, but is most useful during the landing approach.

The HSI

The HSI has the standard layout for pre-EFIS jet aircraft. Note the setting knobs on the instrument - the left one sets the OBS course, while the right one sets the target heading for the autopilot (newer aircraft models have these controls in the autopilot on the glareshield). The instrument also has numeric readouts for the current OBS course, and DME 1.