Overview

• The Cityjet Canadair CRJ-1000 operating LH-842 to Billund departed Frankfurt at 22:52 after about an hour’s delay, according to Flightradar24.
• Strong smoke was reported in both the cockpit and the cabin during climb, and the crew donned oxygen masks, per The Aviation Herald.
• The pilots turned back around 22,000 feet and landed roughly 35 minutes after takeoff.
• Passengers evacuated on the runway in Frankfurt, and one person was reported injured during the evacuation.
• Lufthansa said it had no direct information because the aircraft and crew were rented from Cityjet, and the cause of the smoke remains unknown.