Manual

into 10 0 increments, from 0 0 (level) to 80 0 .The greater the pitch angle, the moreyour aircraft will be pointing up or down.Solid pitch lines indicate your aircraft ispointed upward. A small circle indicatesthat your aircraft is pointing straightupward in a sheer vertical climb. Dashedpitch lines indicate your aircraft is pointeddownward. A small circle with a X insideindicates that your aircraft is pointingstraight down.Weapon Priority IndicatorCentred at the bottom of the HUD issymbology indicating which weaponsystem is currently in priority. (Being inpriority means which type of missilewould be launched if you were to fire amissile right now. Even though theM61A1 gun is always ready to fire, thereis a separate HUD mode for the gunsystem which displays a floatinggunsight.)The letter codes which appear on theHUD are PH (Phoenix), SP (Sparrow),SW (Sidewinder) and G (Gun).Underneath the letter code is displayed anumber which equals the number ofthose missiles left onboard. If a zero (0)appears, none of that type of missileremains.If the Master Arm Switch is in the Offposition, an X is superimposed over theWeapon Priority Indicator.HUD NAVIGATION MODESYMBOLOGYWhen you press the NAV Mode (5 Key),special navigation symbology appears onthe HUD to assist you. Notice that theWeapon Priority Indicator is removed. It isassumed that you will not be engaging incombat while flying in Navigation mode.VerticalVelocityIndicatorThe pilot is able to useinformation shown on the HUDto assist in navigation andprecision landings. The HUDshown here in NAV mode, ishelping this pilot return home.MagneticHeadingIndicatorPitchLadderPitch LadderThe pitch ladder has been changed from10 0 pitch increments to increments of 5 0 .This allows you to fly the finer pitchangles required for precision navigation.Vertical Velocity Indicator (VVI)A Vertical Velocity Indicator is placed onthe HUD to assist you in visuallydetermining your sink rate when landing.The VVI is the tiny circle with three tickmarks protruding from it. It is usuallylocated under the aircraft reticle.The VVI is normally used when makingcarrier approaches. It is an indication ofwhere your aircraft is actually going. Notethat this is sometimes different from theaircraft reticle, which only shows whereyour aircraft is pointing. For example, in acarrier approach, the nose of the aircraft iskept pointed slightly above the horizon tomaintain a glide-slope flare. The VVI,however, is located below the horizonindicating that the aircraft is descending(even though the nose angle indicates aclimb).On final approach, keep the VVI aimed atthe spot on the carrier deck where youwish to land. Use it as an aiming stake. Ifyou keep the VVI on the deck, you can