Aviation Electronics Technician 1 - Historic Naval Ships Association

The A/A weapon select switch selects theSparrow missile on the priority station when theswitch is in the FWD position. Each time the switchis depressed, the priority station changes. SEL isdisplayed on the DDI underneath the SP acronym ofthe station selected. An X is superimposed throughthe SP when the missile is not tuned. The Xdisappears when the missile tunes. The RADARswitch is located on the sensor control panel.AIM-9 Sidewinder Fire Control SystemThe Sidewinder fire control system provides theaircraft with the capability for firing a Sidewindermissile. Control of the missile is provided throughthe SMP. No voltage is supplied to fire the missileuntil the trigger switch is pulled. Weapon selection ismade by the A/A weapon select switch on the aircraftcontroller grip assembly. Tone volume is controlledby the WPN VOL switch. The system consists of theIR COOL switch, trigger switch, and the armamentbasic controls and components.The A/A weapon select switch selects theSidewinder missile on the priority station when theswitch is in the DOWN position. Each time theswitch is depressed, the priority station changes. SELis displayed on the DDI underneath the SW acronymof the station selected. The WPN VOL switch is onthe intercommunication amplifier control panelassembly.The IR COOL switch is a three-position switch onthe map gain control panel assembly. When theswitch is in the OFF position, coolant is disabled tothe seeker heads unless weight is off the wheels, theMASTER switch is in the ARM position, and thestation is selected. In the NORM position, coolant isenabled to all seeker heads when the weight is off thewheels. In the ORIDE position, coolant is enabled toall seeker heads when power is applied to the aircraft.M61A1 20-mm Gun SystemThe M61A1 20-mm gun system provides theaircraft with the capability for firing the gun. Thesystem enables selecting, arming, and firing.Depending upon the mission objective, the gun can beoperated in the A/A or the A/G computer modes. Inthe A/G mode there are two submodes. The twosubmodes are the continuously computer impact point(CCIP) and the manual (MAN) modes. There arethree A/A modes. These are the director, disturbed,and the cage modes. Control of the gun is suppliedthrough the SMP. No voltage is supplied to the gununtil the trigger switch is pulled.AN/ALE-39 Decoy Dispensing SystemThe AN/ALE-39 decoy dispensing systemprovides the aircraft with the capability for dispensingchaff and flares. The decoy rounds are contained intwo dispensers at the fuselage underside area.Control is supplied through the SMP. The systemconsists of the dispenser/ECM control panel, enginethrottle lever grip assembly, left console DISP switch,the ALE-39 programmer, two AN/ALE-29Adispensers, and the armament system basic controlsand components.ANTISUBMARINE WARFAREWEAPONS SYSTEMSLearning Objective: Recognize variousweapons systems on ASW type aircraft.Antisubmarine warfare (ASW) is becoming anever broadening field. Our ASW capabilities havebeen improving constantly. As a senior avionicstechnician, you must play the key role in maintainingthe ASW platform used for in-flight launching ofsearch and kill stores. When launched at preciseintervals and locations and in conjunction with theaircraft’s electronic data processing equipment, thesestores provide accurate information for detectingenemy submarines. The kill stores consist mainly oftorpedoes, mines, bombs, rockets, and guidedmissiles.The remainder of this chapter discusses thebasic ASW system, the P-3C and S-3A search storesystems, the helicopter search store systems, theP-3C and S-3A kill store systems, and the helicopterkill store systems. Finally, the control systems forrelease and control of search and kill stores arediscussed.BASIC ASW WEAPONS SYSTEMSThe basic ASW weapons systems consist of theequipment and accessories necessary for carrying andreleasing the search and kill stores.7-11