Norwegian Air Shuttle flight DY-1990 made an emergency landing in Copenhagen, Denmark, on August 9th.
The Boeing 737-800 plane heading from Oslo, Norway, to Split, Croatia, was diverted after the crew noticed a failed radio altimeter.
The plane landed safely. All passengers and crew members remained unharmed.
KLM flight KL-1705 had to return after taking off from Amsterdam, Netherlands, on September 21st.
The Boeing 737-800 plane was heading to Madrid, Spain, when the crew reported a stuck altimeter and decided to turn back.
The plane landed uneventfully. Everyone aboard remained safe.
The airline arranged a replacement plane for the passengers.