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Tejas achieves IOC-2, gets inducted in the IAF!!!

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Indigenous Fighter Aircraft LCA-Tejas gets IOC-II

Bangalore: India’s indigenous Light Combat Aircraft – LCA Tejas – has received its Initial Operation Clearance for induction into the Indian Air Force.

“Through the initial phases, the Technology Demonstrator as well as the Limited Series Production (LSP) aircraft proved the fundamental strength of this platform while incorporating multiple enhancements for retaining LCA’s efficacy in the fast paced and technology driven operational environment. Today, the LCA project has seen successful integration of a state-of-the-art avionics suite in a well defined glass cockpit configuration. The aircraft uses significant composite structures and incorporates robust control laws for the digital fly-by-wire system. Successful integration of various types of air to air and air to ground weapons have added the much needed firepower to this fighter. All of these core technologies and design features have made Tejas a truly modern fighter aircraft inspite of being the smallest and lightest in its class,… As the programme gathers pace, we must remember that the final goal for all of us is not just the LCA Mk I, but the LCA Mk II. While our air warriors are fully geared up to induct and operationalise the two Mark I squadrons, IAF keenly looks forward to induction of four squadrons of LCA MK II as the final version in its projected force structure,” said Air Chief Marshal NAK Browne, Chairman Chiefs of Staff Committee (COSC) and Chief of the Air Staff. On 18th Dec, the air chief had reviewed the progress of the first LCA base at Sulur and also the progress of work services at Thanjavur, which is salted to be the next base for Su-30s.

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Speaking on challenges for LCA tejas MK II, the air chief said ” The two primary design drivers already identified by us are the critical GE 414 engine integration for enhanced thrust along with perhaps a better intake design and improved maintainability of the platform. With better HMI functionality and a more efficient avionic system architecture, these design improvements promise to add to LCA’s operational capabilities, as envisioned in the ASR. Under pinning these design improvements is the immediate need to adopt efficient management structures… I therefore, urge all agencies to be ready to ‘bite the bullet’ and never hesitate in making tough decisions as they work towards the final induction of LCA MK II into IAF.”

“Personally, I greatly value my association with the Tejas programme since 2007; when I took over as the Deputy Chief of Air Staff. And as I prepare to hang up the uniform at this month-end, I would have gone home as a sad person; if the LCA IOC had not been achieved,” the air chief added.

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Defence Minister Ak Antony said that the IAF pilots can begin flying LCA Tejas from Dec 21 onward. Antony candidly confessed that he had his share of anxieties regarding the future of LCA when he had taken over as the Defence Minister in 2006 but today we are putting behind the moments of self –doubt, frustrations and setbacks which we as a nation have gone through in the last 30 years. “The improvements to the aircraft have enhanced the flight envelope of the aircraft and also weapon delivery capability of the aircraft. The performance at Iron Fist, Jaisalmer and the recent missile firing at Goa are examples of such improvements. The reliability of the aircraft and serviceability has also been enhanced. The number of flights nearing 500 within this year provides an indication of this. Operating at IAF bases namely, Jamnagar, Jaisalmer, Uttarlai, Gwaliar, Goa, Leh, Pathankot demonstrate the aircraft capability to operate from Air Force bases. There have also been occasions when the same aircraft has flown thrice on the same day, indicating the operational reliability of this home-bred fighter aircraft ”, the defence minister said.


“The IAF pilots together with our Engineers have evolved an excellent PVI System, which the Pilot themselves claim to be one of the best… The Team Tejas will have to now sprint the last lap towards FOC. The FOC will equip Tejas with In-flight refueling, Beyond Visual Range Missiles, New Close Combat Missile, Gun GSH2, additional weapons and new drop tanks for supersonic flight. The teams are also working on a higher variant of Tejas, viz., Tejas Mk-2 with a higher thrust engine. Tejas Mk-2 will have improved performance and upgraded avionics,” said SA TO RM. and DRDO Chief Avinash Chander.

Tejas is a single engine, light weight, highly agile, multi-role supersonic fighter. It has quadruplex digital fly-by-wire Flight Control System (FCS) with associated advanced flight control laws. Extensive use of advanced composites in the airframe gives a high strength to weight ratio, long fatigue life and low radar signatures.

The Initial Operational Clearance-1 (IOC-I) for ‘Tejas’ was achieved on 10 Jan 2011. In IOC-I, the Aircraft had a few limitations in terms of Combat performance, turn around time and its weaponisation which had to be refined and improved through Research & Development process. In addition to this, Wake penetration trials, all weather clearances were planned beyond IOC-1.

Since IOC-1, ‘Tejas’ has accomplished significant milestones. Till date, more than 2450 sorties have been completed to achieve the flight test goals towards IOC-2. The design issues were resolved with System Engineering approach and by periodical reviews with participation of external experts.

The salient features which have been achieved in IOC-2 include Safe flying up to High angle of Attack as mandated by the users. This has considerably enhanced the combat performance of the aircraft. The Flight control system evaluation has also been completed. The time for initial built-in test has been reduced considerably which enables faster turn around and enhanced operational readiness of aircraft. The Brake system has been improved significantly in terms of energy absorption capability during landing, thus ensuring prompt turn-around of the aircraft. Significant improvement in Cockpit ergonomic and lighting system has been accomplished for improved night flying. In-flight re-light capability was demonstrated to ensure enhanced safety and reliability of the aircraft. This is a major achievement. Avionics and Weapon system of the aircraft have been revamped for effective mission superiority. Helmet Mounted Display Sight (HMDS) has been fully integrated in Tejas and R73E missile firing has been successfully demonstrated using HMDS.

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To achieve IOC-2, HAL carried-out around 500 sorties of LCA in the year 2013 which is the highest for any particular year right from the start of the programme. The previous highest was 280 sorties in the year 2009. Outstation flight trials were carried out at Leh, Jamnagar, Jaisalmer, Uttaralai Gwalior, Pathankot and Goa for cold weather, armament and weapon deliveries, multimode radar (MMR), radar warning receiver (RWR), hot weather and missile firing flight trials this year itself. Two aircraft have flown three sorties each on the same day during trials at Jamnagar in October –November 2013, demonstrating fast turnaround time capability.

LCA has also successfully demonstrated weapon delivery capability during weapon trials at Jamnagar & Jaisalmer. LCA participated during IRON FIST 2013 and proved its mettle along with other platforms of IAF. Multi Mode Weapon multirole capability of Tejas was demonstrated during its participation in Iron Fist. Air to Ground mission and Air to Air missions were demonstrated by dropping Laser Guided Bombs and R73E firing in single pass. Laser Guided Bomb firing has been achieved for IOC-2 to user’s satisfaction.

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Aircraft readiness for missions in terms of its readiness and Operational Readiness Platform (ORP) and Turn Round Service (TRS) and easier maintainability has been achieved as per requirement thus enhancing operational readiness of the aircraft. Tejas has passed all the tests for “All Weather Clearance” of the aircraft. The Aircraft has been cleared for fly without any telemetry support.
IOC-2 shall enable Air Force to carry out air superiority and offensive air support missions, forward air field operations, all weather multi role operations, Electronic counter measures and night flying operations.

LCA Tejas is capable of flying non- stop to destinations over 1700 km away (Ferry Range). It’s Radius of Action is upto 500 km depending upon the nature and duration of actual combat.

LCA is powered by the F404/IN20- a well proven turbofan engine, designed and manufactured by General Electric Aircraft Engines, USA. The Engine is modular in construction, consisting of six modules, ensuring easy maintenance. The F404-GE-IN20 is a low bypass turbofan engine, with augmented thrust provided by the afterburner.

HAL will now go ahead with the Series Production of LCA Tejas. “The production facilities have been set up at HAL and the aircraft delivery is expected to commence from 2014. We have plans to initially produce eight aircraft per year. Further plans are afoot to enhance the production rate to 16 aircraft per year in consultation with IAF and MOD. HAL is fully geared up to meet the challenging production schedule and hopes to fulfill the requirements of customers in a time bound manner”, says Dr. R.K. Tyagi, Chairman, HAL.

The production line at HAL has been moved to new premises with a built up area of around 28,000 Sq m of Hangars, Engineering and Administrative blocks. Upgrade and augmentation of production tooling is underway to enhance the rate of production and to expedite delivery of aircraft for two IAF squadrons in the next four to five years. The assembly jigs have been calibrated with state of the Laser Trackers to an accuracy of 80 microns (0.08 mm) to meet stringent quality standards. A state of the art CNC drilling machine has been installed to ensure repeatability and reduce the cycle time.

The project participants include ADA, NAL, HAL, BEL, CEMILAC, the Navy, the IAF and the private sector.
 
MOD please closed this thread as we already have five or six thread of the same
 
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