Extract from : CAR, SECTION 3 – AIR TRANSPORT, SERIES ‘F’ PART I, ISSUE II, 07TH DECEMBER, 2017
3.1.1 No prior permission is required for aircraft operating outside the Indian territory which includes territorial waters but within Indian Flight Information Regions (FIRs).
3.1.2 If an operator intends to perform a non-scheduled or a series of non-scheduled flights into, from or over Indian territory, it is necessary for the operator to apply and obtain prior approval of DGCA. The details of ‘Notice Period’ and the ‘application’ are at 3.2 and 3.3 respectively.
3.1.3 Such flights are not permitted to pick-up passengers/cargo at any place in India for disembarkation at any other place in India.
3.1.4 Due to reasons for safety of flights, an AFTN signal authorizing such flights is issued by DGCA in every case. The authorizing reference number (YA/N/……………) shall be quoted at field 18 of the flight plan filed with Air Traffic Control Centre.
3.1.5 Pilot-in-Command is also required to carry the reference number (YA/N/………….) of such AFTN signal authorizing the flight with him and quote it when required by ATC authorities. Overflying aircraft that are unable to quote the authority are liable to make a landing in India, and shall be subject to search/interrogation by authorities upon landing.
3.1.6 Any aircraft after landing in India in accordance with para 3.1.5 shall require specific permission of DGCA for undertaking any further flight.
3.1.7 A flight clearance shall be valid for a period of 48 hours. If a flight gets delayed beyond 48 hours, it will require fresh clearance from the DGCA.
3.1.8 The aircraft shall carry mandatory equipment on board such as TCAS etc., as required under Civil Aviation Requirements of India.
3.2 Notice Period
3.2.1 Applications for operating non-scheduled flight(s) are required to be submitted in advance with a minimum notice period as follows:
18.104.22.168 Three working days for flights for traffic purposes, except as stated in 22.214.171.124
126.96.36.199 Seven working days for flights originating from PRC countries
188.8.131.52 One working day for flights for non-traffic purposes i.e. overflight (s)/technical halts except as stated in 184.108.40.206
220.127.116.11 Three working days for flights for non-traffic purposes i.e. overflight(s)/technical halts originating from PRC countries.
3.2.2 The minimum notice period requirements, however, may not be insisted upon in the following cases:
18.104.22.168 Ambulance flights (name and address of the patient and the doctor to be given in each case);
22.214.171.124 Relief aircraft of scheduled passenger airline necessitated due to grounding of aircraft;
126.96.36.199 Relief flights in case of natural calamities.
188.8.131.52 Non-revenue traffic by aircraft owned by ICAO member states.