The experts may come to North Korea as soon as next year, Japan's Kyodo news agency reported, citing a source from ICAO. They may visit the launchpads where ballistic missiles had been tested.
Airlines generally try to avoid flying over North Korea due to the missile and nuclear tests carried out in recent years. However, Pyongyang has not had a single test launch in months since its relations with neighboring South Korea and Seoul's ally the United States have become less tense.
The historic and long-anticipated meeting between US President Donald Trump and North Korean leader Kim Jong-un took place in Singapore on June 12. The meeting resulted in the signing of a joint declaration pledging to rid the Korean Peninsula of nuclear weapons.