Usage in Comparison To Other Weapon Systems
The AIM-54/AWG-9 combination was the first to have multiple track capability (up to 24 targets) and launch (up to 6 Phoenixes can be launched nearly simultaneously); the large 1,000 lb (500 kg) missile is equipped with a conventional warhead. The AWG-9 radar system carried by the F-111B and F-14 Tomcat was one of largest and most powerful ever fitted to a fighter.
On the F-14, the 4 missiles can be carried under the fuselage tunnel attached to special aerodynamic pallets, plus 2 under glove stations. A full load of 6 Phoenix missiles and the unique launch rails weigh 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 4 Phoenix, 2 Sparrow and 2 Sidewinder missiles.
Before the introduction of the Phoenix missile, most other US aircraft relied on the smaller, less-expensive AIM-7 Sparrow; classified as a Medium Range Missile (MRM). Guidance for the Sparrow required that the launching aircraft use its radar to continuously illuminate a single target for the missile's "passive" seeker to track, or guidance would be lost. This method meant the aircraft no longer had a search capability while supporting the launched Sparrow, effectively reducing situational awareness.
The Tomcat's AWG-9 radar was capable of tracking up to 24 targets in Track-While-Scan mode, with the AWG-9 selecting up to six priority targets for potential launch by the AIM-54. The pilot or Radar Intercept Officer (RIO) could then launch the AIM-54 Phoenix missiles when launch parameters were met. The large Tactical Information Display (TID) in the RIO's cockpit gave an unprecedented amount of information to the aircrew (the pilot had the ability to monitor the RIO's display) and, importantly, the AWG-9 could continually search and track multiple targets after Phoenix missiles were launched, thereby maintaining situational awareness of the battlespace.
Link-4 datalink capability allowed US Navy Tomcats to share information with the E-2C Hawkeye AEW aircraft, and during Desert Shield in 1990, the Link-4A was introduced and 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.
Read more about this topic: AIM-54 Phoenix
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