Air India One or AI 001 is the call sign

Call sign

In broadcasting and radio communications, a call sign is a unique designation for a transmitting station. In North America they are used as names for broadcasting stations...

 of any aircraft carrying either the Prime Minister of India

Prime Minister of India

The Prime Minister of India , as addressed to in the Constitution of India — Prime Minister for the Union, is the chief of government, head of the Council of Ministers and the leader of the majority party in parliament...

 or the President of India

President of India

The President of India is the head of state and first citizen of India, as well as the Supreme Commander of the Indian Armed Forces. President of India is also the formal head of all the three branches of Indian Democracy - Legislature, Executive and Judiciary...

. The aircraft are operated as VIP flights by the Indian Air Force

Indian Air Force

The Indian Air Force is the air arm of the Indian armed forces. Its primary responsibility is to secure Indian airspace and to conduct aerial warfare during a conflict...

 (IAF). The IAF's Air Headquarters Communications Squadron that is based at the Palam Air Force Base in New Delhi

New Delhi

New Delhi is the capital city of India. It serves as the centre of the Government of India and the Government of the National Capital Territory of Delhi. New Delhi is situated within the metropolis of Delhi. It is one of the nine districts of Delhi Union Territory. The total area of the city is...

 is in charge of operating these aircraft.

Current fleet

The IAF currently owns four 14 seater Embraer 135 and three customised 46 seater (with a VVIP cabin) Boeing Business Jet

Boeing Business Jet

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s (BBJ) Boeing 747

Boeing 747

The Boeing 747 is a wide-body commercial airliner and cargo transport, often referred to by its original nickname, Jumbo Jet, or Queen of the Skies. It is among the world's most recognizable aircraft, and was the first wide-body ever produced...

 aircraft that are used for VIP movement. Of these the Boeing 747s are used by either the Prime Minister or the President when on official overseas visits.

Each Embraer 135 is equipped with missile-deflecting vvhvmodern flight management system including global positioning system as well as category II instrument landing system. These aircraft cost the IAF Rs. 140 crore

Crore

A crore is a unit in the Indian number system equal to ten million , or 100 lakhs. It is widely used in India, Bangladesh, Nepal, and Pakistan....

 each. The Three BBJ, christened Rajdoot, Rajhans and Rajkamal cost the IAF Rs. 934 crore each (Rs. 734 crore for the actual aircraft plus an additional Rs. 200 crore for Self Protection Suites). Self protection suites include radar warning receivers, missile-approach warning systems and counter-measure systems. The aircraft have the capability to shoot metal chaff and flares to deviate radar-guided missiles and heat-seeking missiles off the track along with other security gadgets. The aircraft have been configured to the same security specifications as the Boeing-747 Air Force One

Air Force One

Air Force One is the official air traffic control call sign of any United States Air Force aircraft carrying the President of the United States. In common parlance the term refers to those Air Force aircraft whose primary mission is to transport the president; however, any U.S. Air Force aircraft...

 that flies the President of the United States

President of the United States

The President of the United States of America is the head of state and head of government of the United States. The president leads the executive branch of the federal government and is the commander-in-chief of the United States Armed Forces....

according to a news report.

The BBJ have a four class configuration. For the President/Prime Minister, there is a separate enclosure in the aircraft which includes an office and a bedroom. Everyone aboard the Air India One is required to wear a colour coded identity card. Members of the official delegation (Joint secretary level and above) are tagged in purple and sit in First Class while accompanying officials (junior officers) are given pink tags and sit in Business Class on the upper deck. Journalists and others from the media sit in the Executive Class and sport yellow tags. Support staff join the security team in a small economy class section at the back of the aircraft and are tagged in red.