F-5 Freedom Fighter

F-5 Freedom Fighter
Peng Chen · CC BY-SA 2.0 · source
Name	F-5 Freedom Fighter
Type	Light fighter
National origin	United States
Manufacturer	Northrop Corporation
First flight	30 July 1959
Introduction	1962
Retired	Still in limited service
Status	In service with some operators
Primary user	United States Air Force (for training/adversary roles)
Number built	Over 2,600
Developed from	Northrop N-156
Developed into	Northrop F-20 Tigershark

F-5 Freedom Fighter. The Northrop F-5 is a family of American supersonic light fighter aircraft, originally designed in the late 1950s. It was conceived by the Northrop Corporation as a privately funded venture to create a cost-effective, high-performance tactical jet. The aircraft gained international prominence through the Military Assistance Program and became one of the most widely exported combat aircraft of the Cold War, serving with numerous NATO and allied air forces.

Development and design

The genesis of the F-5 lies in the Northrop N-156 project, an initiative to develop a lightweight fighter suitable for smaller nations. The design philosophy emphasized low cost, ease of maintenance, and excellent performance from its twin General Electric J85 turbojet engines. A key innovation was its use of area rule for supersonic efficiency without excessive engine power. The United States Department of Defense selected the design under the Military Assistance Program, seeing it as an ideal export fighter for allied nations. The prototype, designated the YF-5A, first flew in 1959 from Edwards Air Force Base. The aircraft's design proved remarkably adaptable, later evolving into the more powerful F-5E Tiger II variant in the early 1970s to counter the Mikoyan-Gurevich MiG-21.

Operational history

The F-5 entered service in 1962, with early deliveries going to the Imperial Iranian Air Force and the Republic of China Air Force. It saw extensive combat during the Vietnam War, where the United States Air Force employed it in the Skoshi Tiger program and the South Vietnamese Air Force used it extensively for ground attack missions. The aircraft became a cornerstone of the Military Assistance Program, equipping air forces in nations like South Korea, Turkey, Greece, and Norway. During the Cold War, it frequently faced opposing aircraft like the MiG-21 in regional conflicts. In American service, its agility made it perfect for the United States Navy's Top Gun school and United States Air Force aggressor squadrons, where it simulated enemy fighters. It has seen continued use in conflicts such as the Iran–Iraq War and various regional skirmishes in Africa and Latin America.

Variants

The initial production model was the F-5A Freedom Fighter and its two-seat combat-capable trainer, the F-5B. The significantly enhanced F-5E Tiger II featured more powerful engines, improved avionics, and larger leading-edge extensions for better maneuverability; its two-seat version was the F-5F. A dedicated reconnaissance version, the RF-5A Tigereye, carried camera pods. Northrop also developed the single-engine F-5G, which was later redesignated the F-20 Tigershark as a more advanced derivative. Other notable versions include the CF-5 for the Royal Canadian Air Force, the NF-5 for the Royal Netherlands Air Force, and modernized upgrade packages like those from Singapore Technologies Aerospace and Elbit Systems.

Operators

The F-5 has been operated by over 30 nations worldwide. Major historical and current operators include the Republic of China Air Force (Taiwan), the Republic of Korea Air Force, the Royal Thai Air Force, and the Swiss Air Force. In the Middle East, it served with the Royal Saudi Air Force, the Royal Jordanian Air Force, and the Imperial Iranian Air Force before the Iranian Revolution. In Latin America, operators have included the Chilean Air Force, the Brazilian Air Force, and the Mexican Air Force. The United States primarily uses the F-5 in adversary training roles with commands like the United States Navy Fighter Weapons School and Air Combat Command. Other operators have included Morocco, Bahrain, Kenya, and Venezuela.

Specifications (F-5E)

* **Crew:** 1 * **Length:** 14.45 m (47 ft 5 in) * **Wingspan:** 8.13 m (26 ft 8 in) * **Height:** 4.08 m (13 ft 4 in) * **Powerplant:** 2 × General Electric J85-GE-21B turbojets * **Maximum speed:** Mach 1.63 * **Combat range:** 760 km (470 mi) * **Service ceiling:** 15,800 m (51,800 ft) * **Armament:** 2 × 20mm Pontiac M39 cannon, up to 3,200 kg (7,000 lb) of ordnance on five hardpoints, including AIM-9 Sidewinder missiles and various bombs. * **Avionics:** Typical fit included a AN/APQ-153 radar and an AN/ASG-31 lead-computing gunsight.

Category:Military aircraft