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Astra
Artist's image of Astra.
Type	Air to Air Missile
Place of origin	India
Production history
Manufacturer	DRDO
Produced	Pre Production/Testing
Specifications
Mass	154 kg
Length	3570 mm
Diameter	178 mm
Wingspan	254 mm
Warhead	15 kg (33 lb) HE fragmentation directional warhead
Detonation mechanism	Radar proximity fuse
Engine	Solid Fuel Rocket
Operational range	80 km in head on chase 20 km in tail chase
Flight ceiling	66,000 ft
Maximum speed	Mach 4.5+
Guidance system	Inertial, mid-course update and terminal active radar homing (15 km)
Launch platform	Su-30MKI (ongoing trials). HAL Tejas (expected), Dassault Rafale (expected), HAL AMCA (expected) Sukhoi/HAL FGFA (expected), Mirage 2000 (expected) and MiG-29UPG (expected)

Astra (Template:Lang-sa, Astra: Throwing weapon) is an active radar homing beyond-visual-range air-to-air missile (BVRAAM) developed by the Defence Research and Development Organisation (DRDO), India. Astra is designed to be capable of engaging targets at varying range and altitudes allowing for engagement of both short-range targets (up to 20 km) and long-range targets (up to 80 km) using alternative propulsion modes. Except for a failure in one test, the missile has successfully completed all its tests. The missile was last tested on 18 March 2015 from a Su-30MKI fighter against a simulated live target. Astra uses a smokeless propulsion system.

As per a defence scientist, the missile is technologically more sophisticated than the nuclear capable Agni missile series of strategic ballistic missiles.

Description

The missile guidance is provided by a terminal active radar-seeker and an updated mid-course internal guidance system, which locates and tracks targets. On-board electronic counter-measures jam radar signals from enemy radar, making tracking of the missile difficult. The performance characteristics of the missile are similar to the R-77RVV-AE (AA-12) and Super 530D, both currently used by the IAF. It is 3.8 metres long and is narrower in front of the wings. The propellant used is HTPB (solid-fuel). The warhead is a 15 kg HE (high-explosive) which is activated by a proximity fuse. The missile's maximum speed is Mach 4.5+ and can attain maximum altitude of 20 km. The missile can handle 40 g turns near sea level while attacking a manoeuvring target. Astra has ECCM features and has improved effectiveness in multi-target scenarios. It can be launched in both autonomous and buddy mode operation and can achieve lock-on on its target before or after it is launched.

Development and Trials

DRDO started developing the beyond visual range air-to-air missile (BVRAAM) to arm the Indian Air Force's Mirage 2000H, MiG-29, Sea Harrier, Su-30MKI, MiG-21 Bison and HAL Tejas fighter aircraft. The missile uses an indigenous solid fuel propellant. A rocket/ramjet propulsion for improved range and enhanced kinematic performance, similar to that used in the Akash surface-to-air missile, is also being developed.

The missile was successfully tested without control and guidance systems on 9 May to 12 May 2003. The missile was again successfully tested on 25 March 2007. On 27 March, vertical launch of the missile was carried out, suggesting the use of the missile as a long-range surface-to-air missile for the Indian Navy to arm its destroyers and frigates and for the Indian Air Force. The ground testing of the Astra missile was successful. The missile was successfully tested on 13 September 2008.

The testing of the dual-mode guidance was carried out in May 2009. Captive flight trials of Astra missile were carried out in November 2009. On 11 January 2010, the Astra was test-fired in the Chandipur-on-sea area, off the Odisha coast. However, the test wasn't successful, due to a slight failure in electronic system of the missile.

The missile will be able to intercept target aircraft at supersonic speed. Initially planned to arm Jaguar, MIG-29 and Tejas, DRDO officials are now indicating that after user trials, the missile would be integrated with Indian Air Force's front-line fighter aircraft like Sukhoi-30 MKIs and Mirage-2000s. The programme faced multiple problems for a year owing to control issues and higher than expected rolling moments at high angles of attack. The night trials of the Astra was carried out successfully on 6 June 2010. Another test was carried out on 7 June 2010 under inclement weather conditions. Both were successful.

On 20 May 2011, ballistic flight test of the missile was carried out from the Integrated Test Range at Chandipur."The main purpose of today's trial is to gauge the performance of the motor, propulsion system and the configurations of the vehicle and aero-dynamics evaluation," said a DRDO scientist. The missile, after its final trials, would be integrated with the Su-30 MKI.

The new symmetric configuration addresses these concerns and a number of missiles will be tested from the ground in 2012 to prove the configuration and engagement envelopes. Two subsystems were also re-designed and re-packaged to meet the new system configuration. DRDO hopes to have the production versions of Astra Mk-I & II on the three different fighters by 2016. DRDO has got two Su-30MKI aircraft from the IAF which has come with all modifications. Integration of the aircraft avionics with the missile on-board equipment are being carried out using the Sukhoi test rig at IAF's Software Development Institute in Bengaluru. This will further undergo rigorous checks during the captive flight trials planned in mid-2012 for qualifying the electronic integrity in flight using a metric missile.

Astra was successfully test fired for two consecutive days on 21st and 22 December 2012 at Chandipur, successfully intercepted an electronic target and a Laksya target drone. The missile would be test fired from aircraft after three more ground launches. Starting from 29 November 2013, DRDL is conducting extensive carriage trials of Astra using a Sukhoi Su-30MKI aircraft in Pune. It is reported that the carriage trial will be continued until last week of December. These carriage trials shall be assessed on a modified Su-30 aircraft involving various parameters with respect to missile's compatibility with the aircraft in terms of avionics etc.

The missile was successfully test fired from a Su-30MKI fighter on 4 May 2014. The test-firing met all mission objectives and the launch was captured by side and forward looking high-speed cameras and the separation was exactly as per computer simulations, according to a press release from the DRDO.

On 19 March 2015,it was reported that Astra was successfully test fired from a Su-30MKI fighter at 12:30 PM in its full operational configuration against a simulated live target.This test was conducted as a part of induction phase trial and was aimed at checking the control system and the missile stability during the flight.

On 20 May 2015 Astra was successfully test fired from Su-30MKI twice for the validation of interception of fighter jet performing a “very high-g manoeuvres”.

On 21 May 2015 astra missile was again test fired.A Defence Research and Development Organisation (DRDO) missile technologist said that on Thursday the anti-aircraft missile climbed to an altitude of 25 km and went to a very long range during a flight of 150 seconds, after it was released from the aircraft at an altitude of 25 km. He said the weapon system was evaluated under extreme conditions. The control and guidance and all other sub-systems were validated at very high altitude and range as the missile zoomed at a speed of 4.5 Mach in the eighth developmental trial held on Thursday.

On 25 December 2015 astra missile was successfully test fired. The test was conducted by the Indian Air Force off the coast of Odisha near the Integrated Test Range (ITR), Balasore. The tests were aimed at validating the ECCM (electronic counter-counter measure) features of the missile to overcome any jamming. In addition to this air trial, the missile underwent successful ground based trials in early December 2015 near Pune.

On 18 March 2016, a Sukhoi -30MKI fired the missile for the first time in public during the exercise Live Fist 2016.

Performance

The maximum range of Astra is 110 km in head-on chase and 20 km in tail chase. The missile could be launched from different altitudes - it can cover 110 km when launched from an altitude of 15 km, 44 km when fired from an altitude of eight km and 21 km when the altitude is sea level. The missile can reportedly undertake 40 g turns close to sea level, when attacking a maneuvering target. It will have an active homing range of 25 km. The missile has a pre-fragmented warhead and is fitted with a proximity fuze. A radar fuse already exists for the Astra, but the DRDO is currently working on a new laser fuse. Astra has on-board ECCM capability allowing it to jam radar signals from an enemy surface-to-air battery, ensuring that the missile is not tracked or shot down. The Mark 2 version of Astra will have a maximum range of 150 km and tail chase range of up to 35 km, and will feature shorter fins than the original Mark 1 design.

See also

Similar missiles

• Derby (missile)
• R-Darter (missile)
• A-darter
• MICA
• PL-10

References

1. "IAF to procure long-range missiles to enhance striking range". Hindustan Times. 2011-04-26. Retrieved 2012-12-22.
2. http://www.newindianexpress.com/states/odisha/India-Successfully-Test-Fires-Air-to-Air-Astra-Missile/2015/03/19/article2721103.ece
3. http://m.thehindu.com/news/national/andhra-pradesh/astra-missile-successfully-testfired-again/article7233219.ece/
4. "Astra". Deagel.com. Retrieved 2012-12-22.
5. "Bharat Rakshak on the Astra missile". Bharat-rakshak.com. Retrieved 2012-12-22.
6. ^ "India Successfully Test Fires Air-to-Air Astra Missile". The New Indian Express. Retrieved 2016-05-09.
7. "Astra missile successfully test-fired again". The Hindu: Mobile Edition. Retrieved 2016-05-09.
8. ^ "Missiles Section » Astra". Bharat Rakshak. Retrieved 2012-12-22.
9. "DRDO's international coming out party in Seoul features new Pragati tactical missile system". ibnlive.com.
10. "Astra missile test fired from Chandipur". Chennai, India: The Hindu. 25 March 2007. Retrieved 2007-03-25.
11. "Astra test fired again". Thetribuneonline.com. Retrieved 2012-12-22.
12. "Astra missile test-fired". Hindu.com. 2009-05-08. Retrieved 2012-12-22.
13. Sharma, Ravi (1 November 2009). "Captive flight trials of Astra missile carried out". The Hindu. Chennai, India.
14. "Two Astra missiles flight-tested successfully". The Hindu. Chennai, India. 11 January 2010.
15. "'Astra' test-fired successfully". Hindu.com. 2008-09-13. Retrieved 2012-12-22.
16. "Astra ground testing on Sep 11". Hindu.com. 2008-09-09. Retrieved 2012-12-22.
17. "Air-to-air missile Astra successfully test-fired". Ndtv.com. 2010-07-06. Retrieved 2012-12-22.
18. "Astra test-fired for second consecutive day". Hindustan Times. 2010-07-07. Retrieved 2012-12-22.
19. "Astra ballistic flight test carried out - IndiaTimes". The Times of India. Retrieved 2012-12-22.
20. http://defencenews.in/defence-news-internal.asp?get=new&id=2586
21. Astra successfully test-fired from Sukhoi-30 MKI. The Hindu. May 4, 2014 17:21 IST
22. http://www.thehindu.com/news/national/astra-missile-fired-successfully-from-su30mki-fighter-jet-in-two-trials/article7227389.ece
23. http://idrw.org/astra-missile-successfully-test-fired-again/
24. "Astra missile proves anti-jamming capability". The Hindu. 2015-12-26. ISSN 0971-751X. Retrieved 2015-12-30.
25. "Indigenously developed Air-to-Air missile Astra successfully test fired". Jagranjosh.com. Retrieved 2015-12-30.
26. "IAF showcases firepower in Iron Fist Exercise in Rajasthan". Zee News. Retrieved 2016-03-19.
27. "Iron Fist 2016: Indian Air Force's greatest show of air power | Latest News & Updates at Daily News & Analysis". dna. Retrieved 2016-03-19.
28. http://www.kalingatimes.com/odisha_news/news2010/20100704_Astra_missile_likely_to_be_test_fired_next_week.htm

External links

• Globalsecurity
• http://www.bharat-rakshak.com/MISSILES/aam/astra-aam.html
• DRDL to develop Astra missile

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