IndiGo Boeing 787 declares Mayday over English Channel after smoke report, then safely returns to London Heathrow.
Emergency landing
Singapore Airlines flight SQ305 diverted to Istanbul after a medical emergency, delaying passengers flying from London to Singapore.
A London-bound Virgin Atlantic (VS) flight carrying approximately 270 passengers returned to Kempegowda International Airport, Bengaluru (BLR), on Sunday after developing a technical issue shortly after takeoff.
A Qantas (QF) flight from Queenstown Airport (ZQN) to Sydney Kingsford Smith Airport (SYD) was forced to divert to Christchurch after a suspected engine problem developed shortly after takeoff on Saturday afternoon.
Jet2 flight LS1473 declares an emergency over France, turns back and lands safely at Paris Charles de Gaulle Airport.
Lufthansa LH760 Boeing 787 diverts to Baku after a technical malfunction, with ACARS messages revealing operational details.
Swiss flight LX9 from Chicago to Zurich diverted to the Azores after its Boeing 777 crew reported a chemical odor and issued a distress call.
Turkish Airlines TK3 declared a medical emergency after a passenger suffered a suspected heart attack before landing at JFK safely.
American Airlines flight returned to Myrtle Beach after a bird strike caused an engine emergency during departure to Charlotte.
PAN-PAN is the internationally recognized urgency signal used when an aircraft requires assistance but is not facing immediate danger.