Air India flight AI 973 had to return and make an emergency landing at Indira Gandhi International Airport in New Delhi, India, on October 4.
The Airbus A319 took off for Muscat but had to return shortly afterwards after the pilot reported a hydraulic leak.
The plane landed safely. There were 80 passengers aboard at the time; all of them remained unhurt.
The airline arranged a replacement plane for the passengers.

American Airlines flight AA-207 had to divert and make an emergency landing in Stephenville, Newfoundland and Labrador, Canada, on October 28th.
Air Algerie flight AH-4016 had to return and make an emergency landing in Algiers, Algeria, on February 4th.
Air India flight AI-662 made an emergency landing in Mumbai, India, on May 21st.
Vistara flight UK-733 made an emergency landing in Kolkata, India, on February 25th.