Python (missile)

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Rafael Python
Python5-missile001.jpg
The newest and the oldest member of the Python family of AAM for comparisons, Python-5 (displayed lower-front) and Shafrir-1 (upper-back).
Type Short-range air-to-air missile
Place of origin Israel
Service history
Used by See operators
Production history
Manufacturer Rafael Advanced Defense Systems
Unit cost • Shafrir series: Shafrir-1 - US$20,000
Produced • Shafrir series: 1961-1983
• Python series:1978-present
Specifications
Weight 103.6 kilograms (228 poundsounces)
Length 3.1 metres (10 feet)
Diameter 160 millimetres (6.3 inches)
Warhead 11 kg (24 lb 4 oz)
Detonation
mechanism
proximity

Engine solid fuel rocket motor
Wingspan 640 mm (25 in)
Operational
range
>20 kilometres (12 miles)
Flight altitude N/A
Speed Mach 4
Guidance
system
IR + 320×240 pixel dual waveband electro-optical imaging seeker, lock on after launch, with infrared counter-counter-measures (IRCCM)
Launch
platform

Aircraft:

CASA C-101 Aviojet
F-4E Kurnass 2000
F-5E/F Tiger-II
McDonnell Douglas F-15 Eagle
General Dynamics F-16 Fighting Falcon[1]
Dassault Mirage III
Dassault Mirage 5
Dassault Mirage 2000
IAI Nesher/Dagger/Finger
IAI Kfir
BAE Sea Harrier
HAL Tejas
SAAB Gripen NG[2]
Sukhoi Su-30MKI[citation needed]
Su-25KM Scorpion[3]

The Rafael Python is a family of air-to-air missiles (AAMs) built by the Israeli weapons manufacturer Rafael Advanced Defense Systems, formerly RAFAEL Armament Development Authority. Originally starting with the Shafrir (Hebrew: שפריר‎, loosely translated as Dragonfly, a male form of inflection for Damselfly (שפרירית)) series, the Shafrir-1 missile was developed in 1959, followed by the Shafrir-2 in early 1970s. Subsequently, the missiles were given the western name of "Python" by the parent company for export purposes, starting with the Python-3 in 1978. Since then, it has been further developed and evolved into the Python-4, Python-5, Derby and also, the SPYDER, an advanced ground-based air-defence system. Currently, the missiles are in service with the armed forces of over fifteen countries from around the world.

Design and development[edit]

Listed from top to bottom: Shafrir-1, Shafrir-2, Python-3, Python-4, Python-5.

In the 1950s, the Israeli Air Force (IAF) submitted requirements for a domestically-made air-to-air missile, to promote domestic defense industry and reduce reliance on imports. Rafael Armament Development Authority was contracted to develop the Shafrir (Hebrew: שפריר‎, loosely translated as Dragonfly, a male form of inflection for Damselfly (שפרירית)) in 1959. The missile entered operational status with Israeli Mirage jets in 1963, but the IAF was unhappy with its performance and no air combat kills were achieved with it during the Six-Day_War, kills being made with guns instead. The improved Shafrir-2 was soon introduced in 1971, it proved to be one of the most successful and deadly missiles ever made. During the 1973 Yom Kippur War, the IAF launched 176 Shafrir-2 missiles, destroying 89 enemy aircraft.[4] The Shafrir-2 was exported along with Israeli-made aircraft to South American countries.

After the Shafrir-2, the new missiles made by Rafael were given the western name of Python. This is why the next missile built by Rafael in early 1970s was named Python-3, but there is no Python-1 or Python-2 (they were Shafrir-1, Shafrir-2). The Python-3 has improved range and all-aspect attack ability, it proved itself before and during the 1982 Lebanon War, destroying 35 enemy aircraft. The People's Republic of China was impressed with its performance and license-built the Python-3 as the PiLi-8 (PL-8) AAM.[5]

Further improvements on the Python-3 lead to the development of Python-4 in mid-1980s, which had limited "fire-and-forget" ability but added the option for helmet-sight guidance.[6] In the 1990s Rafael started development on the Python-5 AAM, which was equipped with an advanced electro-optical imaging seeker with lock-on after-launch ability.[7] The new missile was show-cased in 2003 Paris Air Show, and intended for service with IAF the F-15I Ra'am ("Thunder") and the F-16I Sufa ("Storm").

The Python-5 is said to have full sphere launch ability or is an all-aspect missile, meaning it can be launched at a target regardless of the target's location relative to the direction of the launching aircraft. It can lock on to targets after launch, even when they are up to 100 degrees off the boresight of the launching aircraft.

Variants[edit]

Shafrir-1[edit]

The Shafrir-1 was developed in 1959–1964 to fulfill IAF's requirement for a domestic air-to-air missile. It was intended to build the domestic defense industry's abilities, and reduce reliance on foreign imports. The fear on foreign dependence was later proven when France banned arms export to Israel.

The Shafrir-1 was intended for use on French-built Mirage jets. The first testing took place in France in 1963. However the missile's performance was so poor that they immediately started on the next improved version, the Shafrir-2.[8]

  • Length: 250 cm (2.5 m)
  • Span: 55 cm
  • Diameter: 14 cm
  • Weight: 65 kg
  • Guidance: IR
  • Warhead: 11 kg blast explosive, later 30 kg
  • Range: 5 km
  • Speed: ??

Shafrir-2[edit]

The Shafrir-2 was credited with 89 kills in the 1973 Yom Kippur War.[4] During its whole service life, it is credited with a total of 106 kills.

  • Length: 250 cm (2.5 m)
  • Span: 55 cm
  • Diameter: 15 cm
  • Weight: 93 kg
  • Guidance: IR
  • Warhead: 11 kg
  • Range: 5 km
  • Speed: ??

Python-3[edit]

Python 3 missile under the wing of an Israeli F-15 Eagle.

The Python-3 is a much-improved AAM with all-aspect attack ability, higher speed, range, and performance. It performed well before and during the 1982 Lebanon War, scoring 35 (other sources claim 50) kills.[7]

China's PLAAF was quite impressed with this missile, and paid for licensed production as the PL-8 AAM in 1980s.[5] The program code named "Number 8 Project" (八号工程) and formally started on September 15, 1983. From March 1988 to April 1989, technology transfer to China was complete while license assembly and license built parts continued, and by the spring of 1989, the complete domestic Chinese built missile received state certification. The major supplier of the missile was Xi'an Eastern Machinery Factory (西安东方机械厂) located at Xi'an, and China is also reported to have developed a helmet-mounted sight (HMS) system for the PL-8.[5]

  • Length: 295 cm
  • Span: 80 cm
  • Diameter: 16 cm
  • Weight: 120 kg
  • Guidance: IR
  • Warhead: 11 kg, active proximity fuse
  • Range: 15 km
  • Speed: Mach 3.5

Python-4[edit]

A Python 4 missile under the wing F-15D Baz '957'

The Python-4 is a 4th generation AAM with all-aspect attack ability, and integration with a helmet-mounted sight (HMS) system.[6] It entered service in the 1990s, and like its predecessor Python-3, it is integrated with the Elbit Systems DASH (Display And Sight Helmet) HMS system for Israeli F-15s and F-16s, Chilean F-16s (MLU and C/D block 50/52 plus), F-5E/F Tiger III, South-Americans Kfirs and SAAB Jas-39 Gripen. The missile's seeker is reported to use dual band technology array similar to that of US FIM-92 Stinger (infrared and ultraviolet), with IRCCM (IR ECCM) ability to reduce background IR radiation to reduce the effectiveness of enemy flares.[9]

  • Length: 300 cm
  • Span: 50 cm
  • Diameter: 16 cm
  • Weight: 120 kg
  • Guidance: IR
  • Warhead: 11 kg, active laser proximity fuse with back-up impact fuse
  • Range: 15 km
  • Speed: Mach 3.5 or more

Python-5[edit]

Python-5, the latest member in the Python family of AAMs

The Python-5 is currently the most capable AAM in Israel's inventory and one of the most advanced AAMs in the world. As a beyond-visual-range missile, it is capable of "lock-on after launch" (LOAL), and has all-aspect/all-direction (including rearward) attack ability. The missile features an advanced electro-optical imaging infrared seeker (IIR or ImIR) which scans the target area for hostile aircraft, then locks-on for terminal chase. With a total of eighteen control surfaces and careful design, the resulting missile is supposed to be as maneuverable as any other air-to-air missiles with thrust vectoring nozzles.[7] The Python-5 was first used in combat during the 2006 Lebanon War, when it was used by F-16 Fighting Falcons to destroy two Iranian-made Ababil UAVs used by the Hezbollah.[1]

  • Length: 310 cm
  • Span: 64 cm
  • Diameter: 16 cm
  • Weight: 105 kg
  • Guidance: IR + electro-optical imaging
  • Warhead: 11 kg
  • Range: >20 km
  • Speed: Mach 4

Other Python developments[edit]

Derby[edit]

The Derby missile
SPYDER - Missiles Firing Unit

Also known as the Alto, the Derby missile is a BVR, medium-range (~50 km) active-radar seeker missile. Though technically not part of the "Python" family, the missile is basically an enlarged Python-4 with an active-radar seeker.[10]

  • Length: 362 cm
  • Span: 64 cm
  • Diameter: 16 cm
  • Weight: 118 kg
  • Guidance: Active Radar
  • Warhead: 23 kg
  • Range: 50 km
  • Speed: Mach 4

SPYDER[edit]

Main article: SPYDER

The SPYDER (Surface-to-air PYthon and DERby) is an advanced ground based anti-aircraft missile system developed by Rafael that uses surface-to-air versions of the Python-5 and Derby missiles.

Operators[edit]

Two PL-8 AAMs are spotted clearly on a Chinese Navy's Shenyang J-8 interceptor
  •  Israel - Shafrir-1/2, Python-3/4/5 (primary user, local designation Zephyr).
  •  Argentina - Shafrir-2 (350 missiles, delivered 1981[11]) and Python-4.[12][clarification needed]
  •  Bolivia - Python-3.[13]
  •  Brazil - Python-3 (400 missiles, delivered 2001), Python-4 and Derby (200 missiles each, all delivered 2011).[11]
  •  Chile - Shafrir-2 (50 missiles, delivered 1978), Python-3 (120 missiles, delivered 1997), Python-4 (280 missiles, delivered 2011) and Derby (60 missiles, delivered 2003).[11]
  •  People's Republic of China - Python-3 (3000 missiles, delivered 1991-2000, local designation PiLi-8 (PL-8)).[11][5]
  •  Colombia - Shafrir-2 (80 missiles, delivered 1989), Python-3 (75 missiles each, all delivered 2005), Python-4 (100 missiles, delivered 2011) and Derby (40 missiles, delivered 2010).[11]
  •  Ecuador - Shafrir-2 (75 missiles, delivered 1984), Python-3/Python-4 (60 missiles, delivered 1996), Python-5 (50 missiles, delivered 2001) and Derby (60 missiles, delivered 2003).[11]
  •  El Salvador - Shafrir.[14][clarification needed]
  •  Honduras - Shafrir-2 (100 missiles, delivered 1978).[11]
  •  India - Python-4 (100 missiles, delivered 2007) and Derby.[11]
  •  Morocco - Python-4 (F-5 Tiger III prog)
  •  Romania - Python-3.[15]
  •  Singapore - Python-4 (600 missiles, delivered 2004).[11]
  •  South Africa - Python-3 (local designation V3S Snake, delivered 1989 and retired in April 2008), Derby (Local designation as R-Darter or V4).[16]
  •  Republic of China (Taiwan) - Shafrir-2 (450 missiles, delivered 1977).[11]
  •  Thailand - Python-4 (400-500 missiles, delivered 1990).[11]
  •  Turkey - Shafrir-2.[17]
  •  Venezuela - Python-4 (54 missiles, delivered 2004).[11]

See also[edit]

References[edit]

  1. ^ a b Airframe Details for F-16 #87-1672. F-16.net. Retrieved on 2013-07-17.
  2. ^ Gripen for Brazil - The Fighter. Saabgroup.com. Retrieved on 2013-07-17.
  3. ^ Fighter SU-25KM (Scorpion). Geo-army.ge (2010-06-28). Retrieved on 2013-07-17.
  4. ^ a b Shafrir-2, www.Israeli-Weapons.com.
  5. ^ a b c d "PiLi-8 Short-Range Air-to-Air Missile". SinoDefence.com. Last updated: 12 October 2008. Retrieved 20 March 2012. 
  6. ^ a b Python-4, www.Israeli-Weapons.com.
  7. ^ a b c Python-5, www.Israeli-Weapons.com.
  8. ^ Shafrir 1, www.Israeli-Weapons.com.
  9. ^ Carlo Kopp, "Fourth Generation AAMs - The Rafael Python 4", Australian Aviation, April 1997.
  10. ^ Derby Beyond Visual Range Air-to-Air Missile, www.Israeli-Weapons.com.
  11. ^ a b c d e f g h i j k l "SIPRI arms transfer database". Stockholm International Peace Research Institute. Information generated on 3 April 2014. Retrieved 3 April 2014. 
  12. ^ International Institute for Strategic Studies (2010). The Military Balance 2010. United Kingdom: Taylor and Francis. p. 66. ISBN 9781857435573. 
  13. ^ International Institute for Strategic Studies (2010). The Military Balance 2010. United Kingdom: Taylor and Francis. p. 72. ISBN 9781857435573. 
  14. ^ International Institute for Strategic Studies (2010). The Military Balance 2010. United Kingdom: Taylor and Francis. p. 82. ISBN 9781857435573. 
  15. ^ International Institute for Strategic Studies (2010). The Military Balance 2010. United Kingdom: Taylor and Francis. p. 158. ISBN 9781857435573. 
  16. ^ "V3S Snake (Rafael Python 3)". South African Air Force. Retrieved 20 March 2012. 
  17. ^ International Institute for Strategic Studies (2010). The Military Balance 2010. United Kingdom: Taylor and Francis. p. 167. ISBN 9781857435573. 

External links[edit]