A small plane operated by a private airline in Nepal hit a parked helicopter on Sunday while preparing to take off in a mountainous area near Mount Everest, killing three people including a co-pilot, an airport official said.
In 2008, another Twin Otter plane carrying 16 passengers and three crew crashed shortly before it was due to land at Lukla.
The injured were airlifted to Kathmandu by helicopter, Nepal police spokesman Uttam Raj Subedi said.More news: Jedi: Fallen Order Officially Revealed at Star Wars Celebration
The other pilot from the plane and the helicopter pilot are among the injured - they were airlifted to Kathmandu.
"Another police officer died in a hospital in Kathmandu".
A civil administrator, Narendra Kumar Rana, said the four passengers and a flight attendant on the plane were safe.More news: Tampa Bay Lightning'S Nikita Kucherov suspended for one game
Lukla airport, also known as Tenzing-Hillary airport, is often referred to as one of the most hard and unsafe airports in the world because of a short runway (527 metres) and challenging terrain. It is also popular as Lukla is the place where most people begin to climb the Mount Everest Base Camp. It's open only to helicopters and small fixed-wing aircraft. The airfield is notorious for its short runway and perilous approach, sitting at an elevation of over 2,800 meters.
In May 2017, a cargo flight was landing in Lukla when it lost altitude and crashed into a mountain below the runway, killing both pilots.
Seven people, including the country's tourism minister, were killed in February when a helicopter crashed in the hilly east.More news: French rugby clubs vote against naming foreign coach for national team