IndiGo Boeing 787 Declares Emergency Over English Channel After Smoke Reported Onboard

An IndiGo Boeing 787-9 Dreamliner operating Flight 6E4 from London Heathrow to Delhi declared an emergency over the English Channel on September 22, 2026. The crew reported smoke onboard and selected the 7700 transponder code.

The aircraft turned back to London after just over an hour in the air and landed safely at Heathrow. Emergency services were positioned to meet the plane after landing and escorted it from the runway area to a remote stand.

The exact source of the reported smoke condition is not established, but the incident highlights the emergency procedures available to long-haul aircraft operating over the English Channel.