The Indian Air Force Test Pilot School is a unit of the Indian Air Force (IAF) that evaluates aircraft and systems for induction into user organisations. Most new aircraft types and major airborne systems must have ASTE's stamp of approval to be considered fit for service in India. While many countries have testing facilities of one kind or the other, training of flight test personnel is not often imparted in them. ASTE's Air Force Test Pilots School (AFTPS) is only the fifth such institution in the world.[1]
Since India's independence, the IAF has been actively involved in defending territorial boundaries. In 1948, the IAF acquired its first jet fighter type, the de Havilland Vampire, and the Aircraft Testing Unit (ATU) was raised under the command of Wg Cdr H Moolgavkar to accept and test these aircraft. By the early 1950s, IAF felt the need to expand its aircraft holdings. The ageing fleet of Vampires, Toofanis and Mysteres were required to be upgraded and eventually replaced, to meet fresh challenges. Indian aviation industry, in the form of Hindustan Aeronautics Limited (HAL), was already being provided highly skilled pilots by IAF for flight test duties. Anticipating the need for an indigenous flight-testing capability, and to launch flight testing in India on a formal footing, IAF sent two pilots to the Empire Test Pilots' School in October 1949. These pilots were followed by several others in succeeding years and they formed the core group in the establishment of the Aircraft and Armament Testing Unit (A&ATU) Kanpur, a precursor to ASTE.
On 9 December 1970, keeping pace with its expanding field of activity, the Commanding Officer's post at A&ATU was further upgraded to Group Captain, and Group Captain Kapil Bhargava VM was appointed to fill this prestigious slot. The next two years saw an increase in avionics systems trials like IFF, V/UHF sets, gun sights, FR cameras etc., in addition to armament and airframe testing. The unit's role was growing and on 23 August 1972, A&ATU was reorganised as Aircraft and Systems Testing Establishment (ASTE).[2]
In 1984, two officers of ASTE, Wg Cdr Ravish Malhotra and Sqn Ldr Rakesh Sharma achieved celebrity status, when they were selected to undergo training for the Indo-Soviet joint space venture. On 3 Apr 1984, Sqn Ldr Rakesh Sharma was launched into space in a SOYUZ T −11 along with his Soviet counterparts.[3]
His Excellency Dr A. P. J. Abdul Kalam, the President of India, presented the 'Presidential Standard' to ASTE on 21 Nov 2005.[4]
Flight evaluations
HAL Tejas being flown by ASTE Pilot.
Indian Air Force test pilots, along with a Flight Test Engineer, were killed when the second prototype Saras aircraft crashed and caught fire in an open field near Bangalore. A court of inquiry found that wrong engine relight drills given to the pilots caused the crash.[5]
The year 1957 brought further challenges to A&ATU in the form of Gnat evaluation. Gnat aircraft had not yet been fully evaluated in UK when the task of evaluating this compact fighter for tropical conditions was assigned to A&ATU.
A&ATU geared up to meet this new task by setting up various sections and Flight test instrumentation laboratories. Within next three months, many test-handling sorties were flown and a detailed report – the first of many full-fledged reports generated by the unit was submitted to the Government.
After the Gnat evaluation, the unit was busy with trials on Vampire, Mystere and Hunter aircraft. In 1961, a team from Boscombe Down UK, arrived for tropical trials on the Saunders Roe P-53C Scout helicopter, giving A&ATU its first exposure to rotary wing testing. Trials on a de Havilland Canada Otter soon followed, adding transport flying expertise to the repertoire. The next major evaluation for A&ATU came up in 1964. Hindustan Aeronautics Limited, Bangalore had developed the first indigenous fighter aircraft HF-24 Marut, which was to be evaluated. In 1964, A&ATU also carried out trials on Krishak aircraft.
The late 1960s were productive years for the indigenous aviation industry. A&ATU was tasked with preview and evaluation trials for HJT-16 Hindustan Jet Trainer (Kiran), Indian variants of Alouette helicopter, Chetak and Cheetah, and Marut developmental test programme. In addition, the unit carried out trials on HS748 (AVRO) medium transport aircraft, which was thereafter inducted into IAF.
Jaguar aircraft were inducted into IAF in 1980. Along with it came technology transfer and a licence for manufacture in India. HAL and ASTE once more became the centre stage for developmental trials on advanced avionics, low-end electronic systems like the radio altimeter, VHF communication sets and other instruments.
During November 1980, Air Commodore P Singh, the Commandant of ASTE, led an IAF delegation to France for evaluation of Mirage 2000. In the next year Air Cmde P Singh led yet another delegation to the USSR for evaluation and acquisition of MiG-27 and MiG-23 aircraft. In the same year, Wg Cdr P Rajkumar, Wg Cdr Parab and Fit Lt AMS Kahlon completed flight evaluation of the An-32. This aircraft was to become the backbone of IAF's tactical transport operations from then on.[6]
Crest
The ASTE crest shows a futuristic aircraft carrying guided weapons ringed by an ellipse. A slide-rule is superimposed on the fuselage of the aircraft The slide-rule portrays precision and accuracy needed during flight-testing. It also signifies the aspects of technical knowledge and training involved in producing test pilots and test engineers. The missiles represent armament that forms the major preoccupation of ASTE as a defence services establishment. The ring portrays significant aspects of the role of ASTE. First of all, it depicts the sighting ring of a gun sight, which symbolises not only the involvement of ASTE with armament, but also its concern for constant vigil on correct aims and objectives. Secondly, it symbolises the aiming circles provided on the ground targets as seen from the air and signifies the need for accuracy of results to be obtained during flight testing. The crest also symbolises the aspirations and ambitions of ASTE in involving itself with the country's future plans in the realm of aerospace, The words 'Aircraft and Systems Testing Establishment' and 'Indian Air Force' are inscribed on the roundel in a light blue background. The 'Ashok Stambh' heads the crest and laurel leaves surround the crest. The motto printed on the crest "Sukshamta Avum Utkarsh", means "Precision and Excellence", two invariable and steadfast goals to which ASTE aims, in everything it does.[7]
Hindustan Aeronautics Limited (HAL) is an Indian public sector aerospace and defence company, headquartered in Bangalore. Established on 23 December 1940, HAL is one of the oldest and largest aerospace and defence manufacturers in the world. HAL began aircraft manufacturing as early as 1942 with licensed production of Harlow PC-5, Curtiss P-36 Hawk and Vultee A-31 Vengeance for the Indian Air Force. HAL currently has 11 dedicated Research and development (R&D) centres and 21 manufacturing divisions under 4 production units spread across India. HAL is managed by a board of directors appointed by the President of India through the Ministry of Defence, Government of India. HAL is currently involved in designing and manufacturing of fighter jets, helicopters, jet engine and marine gas turbine engine, avionics, software development, spares supply, overhauling and upgrading of Indian military aircraft.
The Indian Air Force (IAF) is the air arm of the Indian Armed Forces. Its primary mission is to secure Indian airspace and to conduct aerial warfare during armed conflicts. It was officially established on 8 October 1932 as an auxiliary air force of the British Empire which honoured India's aviation service during World War II with the prefix Royal. After India gained independence from United Kingdom in 1947, the name Royal Indian Air Force was kept and served in the name of the Dominion of India. With the transition to a republic in 1950, the prefix Royal was removed.
The Folland Gnat is a British compact swept-wing subsonic fighter aircraft that was developed and produced by Folland Aircraft. Envisioned as an affordable light fighter in contrast to the rising cost and size of typical combat aircraft, it was procured as a trainer aircraft for the Royal Air Force (RAF) as well as by export customers, who used the Gnat in both combat and training capacities.
The NAL Saras is the first Indian multi-purpose civilian aircraft in the light transport aircraft category as designed by the National Aerospace Laboratories (NAL).
The HAL HF-24 Marut was an Indian jet fighter aircraft developed and manufactured by Hindustan Aeronautics Limited (HAL) during the 1960s and early 70s. The Marut was designed by the German aeronautical engineer Kurt Tank, with the Project Engineer being George William Benjamin. The aircraft was the first Indian-developed jet fighter. On 17 June 1961, the type conducted its maiden flight; on 1 April 1967, the first production Marut was officially delivered to the IAF.
The HAL HJT-36 Sitara is a subsonic intermediate jet trainer aircraft designed and developed by Aircraft Research and Design Centre (ARDC) and built by Hindustan Aeronautics Limited (HAL) for the Indian Air Force and the Indian Navy. The HJT-36 will replace the HAL HJT-16 Kiran as the Stage-2 trainer for the two forces.
Number 31 Squadron, known as the Goldstars, is a squadron of the Royal Air Force. The Squadron lays claim to being the first military unit to fly in India, where it was based from 1915 to 1947. Throughout the Cold War, No. 31 Squadron was based in West Germany, flying from RAF Laarbruch and RAF Brüggen. Between September 1984 and March 2019, the Goldstars operated the Panavia Tornado GR1/4, initially from RAF Brüggen and after August 2001 from RAF Marham, Norfolk. No. 31 Squadron was disbanded on 14 March 2019 at RAF Marham and reformed on 11 October 2023 at RAF Waddington, Lincolnshire, equipped with the General Atomics Protector RG1.
Ravish Malhotra is a retired air commodore of the Indian Air Force. He was an Air Force test pilot stationed at the test centre in Bangalore. He was also the Air Officer Commanding of Hindon Air Force Station near Delhi.
No. 35 Squadron IAF (Rapiers) was an electronic warfare and air superiority squadron of the Indian Air Force (IAF). It was based at Bakshi Ka Talab Airforce Station, No. 35 Squadron came under the Central Air Command; and along with No. 108 Squadron formed an operational wing of the IAF. As of 2017, it was equipped with MiG-21M aircraft. The squadron was number plated in 2019.
The HAL Ajeet was a jet-powered fighter aircraft developed and manufactured by Indian aerospace manufacturer Hindustan Aeronautics Limited (HAL). It was operated by the Indian Air Force (IAF) between 1977 and 1991.
No. 22 Squadron (Swifts) was a CAS unit based out of Hasimara AFS. Along with No. 222 Squadron IAF Tiger Sharks, No. 22 Squadron forms a part of the 16 Wing of the IAF. The squadron operated MiG-27 till December 2017 and the squadron number-plated since then.
No. 7 Squadron IAF operates as a Special Munitions Delivery and air superiority unit. Based at Gwalior AFB, No. 7 Squadron forms a part of 40 Wing AF, Central Air Command.
The No. 3 Squadron IAF (Cobras) of the Indian Air Force (IAF) operates as a Close Air Support (CAS) and reconnaissance unit. Currently based at NAL Air Force Station, it falls under the Western Air Command, and forms the 46 wing of the IAF.
During the Indo-Pakistani war of 1965, the Indian and Pakistani Air Forces engaged in large-scale aerial combat for the first time. In the air war, which took place in September, both air forces conducted thousands of defensive and offensive sorties over Indian and Pakistani airspace. Both India and Pakistan claimed victory in the air war; Pakistan claimed to have destroyed 104 Indian aircraft and lost 19, and India claimed to have destroyed 73 Pakistani aircraft and lost 35 of its own. The air war ended in a stalemate.
No. 224 Squadron IAF (Warlords) is a Ground Attack squadron based at Jamnagar Air Force Station. It was temporarily disbanded in 2007 after the retirement of MiG-23MF aircraft. The unit was resurrected in 2008 with Jaguar Darin II aircraft and continues to operate from Jamnagar.
No. 18 Squadron, is an air-defence unit of the Indian Air Force, flying from Sulur Air Force Station. The squadron is equipped with indigenous HAL Tejas MK1 in FOC configuration.
Palamadai Muthuswamy Ramachandran, PVSM, AVSM, SC, VM was an Indian Air Force officer.
Group Captain Virendera Singh Pathania, VrC, VM, was an Indian Air Force (IAF) fighter pilot reputed for making the first confirmed aerial dogfight kill of independent India when he shot down a Pakistan Air Force (PAF) Sabre Jet with his Folland Gnat on 4 September 1965. For this action, he was awarded the Vir Chakra.
HF-73 also known as Hindustan Fighter-73 was a proposed twin engine strike fighter intended to be operated by the Indian Air Force. It was a joint venture project undertaken by India's Hindustan Aeronautics Limited and Messerschmitt-Bölkow-Blohm (MBB) of West Germany in 1972. The proposed HF-73 strike fighter was similar in design and role to the multi-national European consortium Panavia Aircraft GmbH's Panavia Tornado. The project was cancelled in the late 1970s.
Wing Commander Amar Jit Singh Sandhu VrC, VM was an Indian Air Force officer and fighter pilot. He was awarded the Vir Chakra and Vayusena medals. He is credited with shooting down a Pakistan Air Force North American F-86 Sabre in the Indo-Pakistani War of 1965.
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