Showing posts with label f. Show all posts
Showing posts with label f. Show all posts

Thursday, March 23, 2017

McDonnell Douglas F 15 Eagle

McDonnell Douglas F 15 Eagle


The McDonnel Douglas F-15 Eagle, introduced on 9th January, 1976, is one of the most successful aircraft in the world. No single F-15 was lost in combat. The F-15, being an all-weather tactical fighter, was designed to gain air superiority, and maintain it. Its development was for the United States Air Force, and the Eagle was flew in 27th July, 1972. One unit cost is approximately U.S.$30 million.

A United States Air Force F-15C Eagle taxiing for takeoff at the Royal International Tattoo, Royal Air Force Fairford, Gloucestershire, England. (Photographed by Adrian Pingstone. July 17th, 2006.)

Origin...

The McDonnel Douglas F-15 Eagle had its origins when the United States found out that the Soviet Union was building an aircraft designated the MiG-25, known to the North Atlantic Treaty Organization as "Foxbat", which was intended to be an high-speed interceptor. However, the MiG-25s huge tailplanes, and vertical stabilizers (tail fins) made it seem like it was very maneuverable, and therefore must be an air superiority fighter. It worried the United States Air Force that this aircraft might perform better than any of the aircraft they have at the moment. However, this was not the case, the tailplanes, and vertical stabilizers (tail fins) of the MiG-25 was to prevent inertia coupling, that would happen in high speed, and altitude flight. The McDonnel Aircraft F-4 Phantom II was the only plane that had enough range, power, and maneuverability to deal with Soviet Fighters, but they could not engage targets at long ranges. As a result, the United States Air Force created the F-X Program to build a new fighter that would overcome the setbacks of the F-4 Phantom, and the McDonnel Douglas F-15 Eagle was developed.

Design...

The F-15 has fantastic maneuverability, which it owes to its high thrust-to-weight ratio, and low wing loading (weight-to-wing area ratio). These enable the Eagle to turn without losing airspeed. It can climb up to 9 000 m (30 000 ft.) in about 60 seconds. The F-15 has two Pratt & Whitney F100 Engines, which is so powerful, that the thrust output of both of them exceeds the weight of the Eagle, which allows it to accelerate in a Vertical Climb.

The F-15 Eagles multi-mission avionics systems feature a Heads-Up Display (H.U.D.), Inertial Guidance System (I.N.S.), advanced radar, Ultra High Frequency (U.H.F.) communications, flight instruments, and Tactical Air Navigation (T.A.C.A.N.), and Instrument Landing System (ILS) recievers. In addition, the Eagle has a internally mounted, tactical electronic-warfare system, electronic countermeasures suite, "identification friend or foe" system, and a central digital computer.

The heads-up display, visible in any light condition, of the F-15 allows the pilot to gather information quickly to track, and destroy hostile aircraft, without looking down at the cockpit instruments.

The APG-63/70 Pulse-Doppler, a versatile radar that the F-15 uses, can look at both high-flying, and low-flying targets, without being confused by the ground cluttering. It can detect small high-speed targets beyond visual range (the maximum is 120 nautical miles, or 222 km or, 138.75 miles away.), close-up, or treetop altitude. The radar also feeds information into the central computer that will enable effective weapons delivery, with the capability to lock on to targets about 50 nautical miles (91 km, or 56.865 miles) away from the Eagle with an AIM-120 AMRAAM (pronounced as am-ram). If, in a dogfight, the radar would automatically acquire the enemy aircraft(s), and projects the information on the Heads-Up Display, while the Electronic Warfare System provides both automatic countermeasures against selected threats, and threat warning.

F-15E Strike Eagle...

A United States Air Force F-15E flying over Northern Iraqs snow covered mountains, doing a routine patrol of the skies in support of Operation Northen Watch. This Strike Eagle is from the 494th Expeditionary Fighter Squadron, Royal Air Force, Lakenheath, United Kingdom. (Photographed by Captain Patricia Lang, United States Air Force. February 18th, 1999.)

McDonnel Douglas designed the F-15 with "not pound for air-to-ground", and that is exactly what they did. The F-15 was a pure Fighter. But its potential for the Attack role became more, and more apparent as time passed, and it was realized in 1987 in the form of the F-15E Strike Eagle. The Strike Eagle is a two-seat, dual-role, strike aircraft that replaced the General Dynamics F-111 Aardvark , and it can reach speeds up to Mach 2.5. It is a totally integrated fighter for all-weather, deep interdiction, and air-to-air missions. It is armed with L.A.N.T.I.R.N. pods, and a high-resolution APG-70 radar to provide thermal imagery for low-altitude, precision attack, and high-speed penetration on tactical targets in adverse weather, and at night. The rear cockpit is also upgraded with four multi-purpose C.R.T. displays for weapons managements, and aircraft systems. Finally, for coupled automatic terrain following, the McDonnel Douglas F-15E Strike Eagle has a triple redundant, digital Lear Siegler flight control system, which is enhanced by a ring-laser gyro inertial navigation system.

Armament...

The F-15, being a fighter, has the capability of using three different types of missiles, the AIM-9 Sidewinder, the AIM-7F Sparrow, and the AIM-120 AMRAAM. It operates with a conventional jet cannon, the M61A1 Gatling Gun, which is internally mounted, and uses a 20 mm round, with 940 rounds.

An F-15C of the United States Air Force, piloted by First Lieutenant Charles Schuck, fires an AIM-7 Sparrow over the Gulf of Mexico, supporting a Combat Archer air-to-air weapons system evaluation program mission. He is among the Airmen of the 71st Fighter Squadron deployed from Langley Air Force Base to support this mission. (Photographed by United States Air Force Master Sergeant Micheal Ammons. 2005. No exact date available, I apologize for any inconvenience.)

The McDonnel Douglas F-15 Eagle, and F-15E Strike Eagle participated in... (till 2008.)

  • Moshe Melnik of the Israeli Air Force made the first kill in an F-15 in the 1979, shooting down a MiG-21 "Fishbed".
  • the shooting down of 13 Syrian MiG-21 "Fishbed"s, and two MiG-25 "Foxbat"s, by Israeli pilots in the 1979-1981 Israeli-Lebanese border disputes.
  • the Bekaa Valley Operation.
  • the 1982 Lebanon War.
  • the shooting down of two F-4E Phantom IIs of the Iranian Air Force in June, 1984, during a border skirmish.
  • the Gulf War, and its various Operations.
  • Operation Southern Watch, and Operation Southern Watch.
  • Operation Provide Comfort.
  • Operation Denied Flight
  • Operation Allied Force.
  • Operation Enduring Freedom.
  • Operation Iraqi Freedom.
  • North Atlantic Treaty Organization operations in Bosnia.
  • recent air expeditionary force deployments.
  • the accidental shooting down of two United States Air Force UH-60 Blackhawks in the Northern No-Fly Zone of Iraq. The F-15C pilots thought they were Iraq Hinds.

Operators... (F-15 only in Italic. F-15E only in Bold. Both in Bold Italic.)

  • United States of America.
  • Japan.
  • Israel.
  • Saudi Arabia.
  • Singapore.
  • South Korea.

Specifications. Wikipedia.

General Characteristics...

  • Crew: 1.
  • Length: 63 ft 9 in (19.43 m).
  • Wingspan: 42 ft 10 in (13.05 m).
  • Height: 18 ft 6 in (5.63 m).
  • Wing area: 608 ft² (56.5 m²).
  • Airfoil: NACA 64A006.6 root, NACA 64A203 tip.
  • Empty weight: 28,000 lb (12,700 kg).
  • Loaded weight: 44,500 lb (20,200 kg).
  • Max takeoff weight: 68,000 lb (30,845 kg).
  • Powerplant: 2× Pratt & Whitney F100-100,-220 or -229 afterburning turbofans.
  • Dry thrust: 17,450 lbf (77.62 kN) each.
  • Thrust with afterburner: 25,000 lbf for -220; 29,000 lbf for -229 (111.2 kN for -220; 129.0 kN for -229) each.

Performance...
  • Maximum speed:
  • High altitude: Mach 2.5+ (1,650 mph, 2,660 km/h).
  • Low altitude: Mach 1.2 (900 mph, 1,450 km/h).
  • Combat radius: 1,061 nmi (1,222 mi, 1,967 km) for interdiction mission.
  • Ferry range: 3,100 nmi (3,570 nmi, 5,745 km) with external conformal fuel tanks.
  • Service ceiling: 65,000 ft (20,000 m).
  • Rate of climb: >50,000 ft/min (254 m/s).
  • Wing loading: 73.1 lb/ft² (358 kg/m²).
  • Thrust/weight: 1.12 (-220), 1.30 (-229).
Armament...
  • Guns: 1× internally mounted 20 mm (0.787 in) M61A1 gatling gun, 940 rounds.
  • Hardpoints: four wing, four fuselage, two wing stations, centerline station, optional fuselage. pylons with a capacity of 16,000 lb (7,300 kg).
  • Missiles:
  • AIM-7F Sparrow.
  • AIM-120 AMRAAM.
  • AIM-9 Sidewinders.

Avionics...
  • Radar:
  • Raytheon AN/APG-63, or AN/APG-70, or
  • (Although several F-15C aircraft were produced with APG-70 radar, all have been retrofitted to the AN/APG-63(V)1 configuration)
  • Raytheon AN/APG-63(V)1, or
  • Raytheon AN/APG-63(V)2 Active Electronically Scanned Array (A.E.S.A.), or
  • Raytheon AN/APG-63(V)3 Active Electronically Scanned Array (A.E.S.A.).
  • Both active AF and ANG F-15Cs will receive another (up to) 48 V3 units between 2009-2015, over the existing 19 aircraft.
  • Countermeasures:
  • AN/APX-76 or AN/APX-119 Identify Friend/Foe (I.F.F.) interrogator.
  • Magnavox AN/ALQ-128 Electronic Warfare Warning Set (E.W.W.S.) -part of Tactical Electronic Warfare Systems (T.E.W.S.).
  • Loral AN/ALR-56 Radar Warning Receiver (R.W.R.)-part of Tactical Electronic Warfare Systems (T.E.W.S.).
  • Northrop ALQ-135 Internal Countermeasures System (I.C.S.) - part of Tactical Electronic Warfare Systems (T.E.W.S.).
  • AN/ALE-45 chaff/flare dispensers.
  • Others:
  • Joint Helmet Mounted Cueing System.

Other facts...

  • F-15 Eagles has a combined kill record of 104 kills-0 loses in air combat. (all air forces.)
  • Over half of the F-15 Eagles kills were made by pilots of the Israeli Air Force.
  • The F-15 is a satellite-killer, using the ASM-135 Anti-Satellite (A.S.A.T.) missile.
  • All F-15 aircraft of the United States Air Force were grounded when a Missouri Air National Guard F-15C came apart mysteriously in flight, and crashed on November 2nd, 2007. The F-15Es were cleared for continued operations. On January 8th, 2008, the United States Air Force Air Combat Command cleared a portion of its F-15 A-D models fleet for return to flight status. The rest of the F-15 models (A-D) were cleared on February 15th, 2008 for Engineering Reviews, Flight Pending Inspections, and any required repairs. It was suspected that a critical location in the Upper Longerons caused the failure, resulting to the tear away of the fuselage forward of the air intakes, including the cockpit, and radome, to seperate from the airframe. A report that was released on January 10th, 2008, indicated that nine other F-15s had the problem too. As a result, the F-15s "long-term future is in the question." as stated by General John D. W. Corley. The grounding forced some states to rely on Canadas jet fighters for air defense protection. Alaska had to depend on the Canadian Forces support.

*To view some awesome pictures of the F-15 Eagle, please click here.


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Tuesday, March 21, 2017

McDonnell Douglas F A 18 Hornet

McDonnell Douglas F A 18 Hornet


United States Marine Corps. Captain Kevin Reece of the Vertical Marine Fighter Attack Squadron (V.M.F.A.) piloting his F/A-18 Hornet over the South China Sea on the return trip from Paya Lebar. Singapore, to Marine Corps. Air Station (M.C.A.S.) Iwakuni, Japan, supporting Commando Sling.

The F/A-18 Hornet
is an all-weather, carrier capable, fighter/attack aircraft, that was designed in the 1970s for service with the United States Navy, and Marine Corps., air forces from other nations use it too.

Introduced on 7th January, 1983, the Hornet was built to replace the F-4 Phantom, A-4 Skyhawk, A-7 Corsair, and to complement the F-14 Tomcat. It was very versatile, and reliable, and its main roles are fighter escort, fleet air defence, suppression of enemy air defences (S.E.A.D.), interdiction, close air support, and reconnaissance. It first saw action during Operations Prairie Fire, and El Dorado Canyon. VFA-131 Hornets from U.S.S. Coral Sea were involved.

The origins of the F/A-18 Hornet lies in the experimental aircraft YF-17 Cobra. The Cobra was designed as many from the fighter community believed the F-15 Eagles price, and size was too large for many combat roles. Originally designed to be a lightweight day fighter, the YF-17 was navalized, scaled-up, and in-turn, became the F/A-18 Hornet. The Cobra shared no essential dimension, or primary structure with the Hornet.

An F/A-18 Hornet of VFA-146 "Blue Diamonds" in flight on a mission during Operation Enduring Freedom. (Photographed by Lt. Kyle "Chet" Turco, United States Navy. Date is unknown. I apologize for any inconvenience.)

Variants of the F/A-18 Hornet are the F/A-18E/F Super Hornet, which is a distinct, and evolutionary upgrade of the Hornet, and the EA-18G Growler, an electronic warfare version of the F/A-18.

The following is a list of countries that currently operates the F/A-18 Hornet.
-U.S.A.
-Australia
-Canada
-Finland
-Spain
-Kuwait
-Switzerland
-Malaysia

The F/A-18 has been criticized for its low range, and payload compared to its comtemporaries.

Specifications...

General characteristics

  • Crew: F/A-18C: 1, F/A-18D: 2 (pilot and weapons system officer)
  • Length: 56 ft (17.1 m)
  • Wingspan: 40 ft (12.3 m)
  • Height: 15 ft 4 in (4.7 m)
  • Wing area: 400 ft² (38 m²)
  • Airfoil: NACA 65A005 mod root, 65A003.5 mod tip
  • Empty weight: 23,000 lb (10,400 kg)
  • Loaded weight: 36,970 lb (16,770 kg)
  • Max takeoff weight: 51,900 lb (23,500 kg)
  • Powerplant: 2× General Electric F404-GE-402 turbofans
  • Dry thrust: 11,000 lbf (48.9 kN) each
  • Thrust with afterburner: 17,750 lbf (79.2 kN) each
  • Performance
  • Maximum speed: Mach 1.8 (1,190 mph, 1,915 km/h) at 40,000 ft (12,190 m)
  • Range: 1,089 nmi (1,250 miles, 2,000 km) with only two AIM-9s
  • Combat radius: 400 nmi (460 mi, 740 km) on air-air mission
  • Ferry range: 1,800 nmi (2,070 mi, 3,330 km)
  • Service ceiling: 50,000 ft (15,240 m)
  • Rate of climb: 50,000 ft/min (254 m/s)
  • Wing loading: 93 lb/ft² (454 kg/m²)
  • Thrust/weight: 0.96

Armament

  • Guns: 1× 20 mm (0.787 in) M61 Vulcan nose mounted 6-barreled gatling cannon, 578 rounds
  • Hardpoints: 9 total: 2× wingtips missile launch rail, 4× under-wing, and 3× under-fuselage with a capacity of 13,700 lb (6,215 kg) external fuel and ordnance

Rockets:

  • 2.75 inches (70 mm) Hydra 70 rockets
  • 5 in (127.0 mm) Zuni rockets
  • Missiles:
  • Air-to-air missiles:
  • 4× AIM-9 Sidewinder or 4× AIM-132 ASRAAM or 4× IRIS-T or 4× AIM-120 AMRAAM, and
  • 2× AIM-7 Sparrow or additional 2× AIM-120 AMRAAM

Air-to-surface missiles:

  • AGM-65 Maverick
  • Standoff Land Attack Missile (SLAM-ER)
  • AGM-88 HARM Anti-radiation missile (ARM)
  • AGM-154 Joint Standoff Weapon (JSOW)
  • Taurus missile (Cruise missile)

Anti-ship missile:

  • AGM-84 Harpoon
Bombs:
  • JDAM Precision-guided munition (PGMs)
  • Paveway series of Laser guided bombs
  • Mk 80 series of unguided iron bombs
  • CBU-87 cluster
  • CBU-89 gator mine
  • CBU-97
  • Mk 20 Rockeye II
  • B61/Mk57 nuclear bombs

Others:

  • SUU-42A/A Flares/Infrared decoys dispenser pod and chaff pod or
  • Electronic countermeasures (ECM) pod or
  • AN/AAS-38 Nite Hawk Targeting pods (US Navy only), to be replaced byAN/ASQ-228 ATFLIR or
  • LITENING targeting pod (USMC, Royal Australian Air Force, Spanish Air Force, and Finnish Air Force only) or
  • up to 3× 330 US gallons (1,200 l; 270 imp gal) Sargent Fletcher drop tanks for ferry flight or extended range/loitering time.

Avionics

  • Hughes APG-73 radar
  • ROVER (Remotely Operated Video Enhanced Receiver) antenna for use by US Navys F/A-18C strike fighter squadrons


Available link for download

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