Defeating an AIM-54C - Page 7 - ED Forums
 


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Old 11-01-2018, 08:07 PM   #61
3WA
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Yeah, the F-14 is not radar locking you. The missile was launched in TWS mode, not STT. So your still just being casually scanned, as this missile has it's own active radar which it will not turn on until it has been guided by the F-14 to near you. You will still just see the "14" on RWR, even though a missile has been launched. When the missile reaches beyond mid-range or so, it will turn on it's OWN Active Radar. This is when it will try to lock you up, and you will see the M appear on your RWR, and the lock warning go off.
Try to beam it, and chaff, chaff, chaff.


Correct me if I'm wrong guys, I'm trying to remember this from my Falcon days.


From Wikipedia:


The AIM-54/AWG-9 combination had multiple track capability (up to 24 targets) and launch (up to six Phoenixes can be launched nearly simultaneously); the large 1,000 lb (500 kg) missile is equipped with a conventional warhead.
On the F-14, four missiles can be carried under the fuselage tunnel attached to special aerodynamic pallets, plus two under glove stations. A full load of six Phoenix missiles and the unique launch rails weighs in at over 8,000 lb (3,600 kg), about twice the weight of Sparrows, so it was more common to carry a mixed load of four Phoenix, two Sparrow, and two Sidewinder missiles.
Most other US aircraft relied on the smaller, semi-active medium-range AIM-7 Sparrow. Semi-active guidance meant the aircraft no longer had a search capability while supporting the launched Sparrow, reducing situational awareness.
The Tomcat's radar could track up to 24 targets in track-while-scan mode, with the AWG-9 selecting up to six potential targets for the missiles. The pilot or radar intercept officer (RIO) could then launch the Phoenix missiles once parameters were met. The large tactical information display (TID) in the RIO's cockpit gave information to the aircrew (the pilot had the ability to monitor the RIO's display) and the radar could continually search and track multiple targets after Phoenix missiles were launched, thereby maintaining situational awareness of the battlespace.
The Link 4 datalink allowed US Navy Tomcats to share information with the E-2C Hawkeye AEW aircraft. During Desert Shield in 1990, the Link 4A was introduced; this allowed the Tomcats to have a fighter-to-fighter datalink capability, further enhancing overall situational awareness. The F-14D entered service with the JTIDS that brought the even better Link 16 datalink "picture" to the cockpit.
Active guidance


AIM-54 Phoenix seconds after launch (1991)


The Phoenix has several guidance modes and achieves its longest range by using mid-course updates from the F-14A/B AWG-9 radar (APG-71 radar in the F-14D) as it climbs to cruise between 80,000 ft (24,000 m) and 100,000 ft (30,000 m) at close to Mach 5. The Phoenix uses this high altitude to gain gravitational potential energy, which is later converted into kinetic energy as the missile dives at high velocity towards its target. At around 11 miles (18 km) from the target, the missile activates its own radar to provide terminal guidance.[6] Minimum engagement range for the Phoenix is around 2 nmi (3.7 km) and active homing would initiate upon launch.[6]

Last edited by 3WA; 11-01-2018 at 08:17 PM.
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