China announces portion of airspace closure for 40 days, military drills speculations rife
PTC News Desk: China has issued a notice announcing closure of a portion of its offshore airspace for 40 days, enabling temporary restrictions on flight activity across designated maritime zones, effectively limiting access to key stretches of airspace.
According to a Wall Street Journal report, the restrictions are placed from March 27 to May 6. Unprecedented airspace closures for such a long period are not very common and signals potential military drills that lost only a few days.
NOTAMs (Notices to Air Missions) are alerts used to inform pilots and aviation authorities about temporary airspace risks or restrictions. This time, however, no official reason has been given, which has created confusion after military flights around Taiwan were suddenly halted.
Ray Powell, director of the SeaLight project at Stanford University, which tracks Chinese maritime activity, said, "What makes this especially notable is the combination of SFC-UNL with an extraordinary 40-day duration—and no announced exercise. That suggests not a discrete exercise but a sustained operational readiness posture—and one that China apparently doesn't feel the need to explain.”
He added, "If the zones are confirmed to be linked to exercises, the warnings would represent a meaningful shift in how Beijing uses airspace control as a tool of military signalling."
China has blocked off large areas of airspace, even bigger than Taiwan itself, including regions north and south of Shanghai. These zones stretch from the Yellow Sea near South Korea to the East China Sea near Japan. In the past, China has used such drills to control routes that the US military might use in a possible conflict over Taiwan.
The timing is important because US aircraft carrier groups are currently in the Gulf region instead of the Pacific.
Meanwhile, US President Donald Trump is expected to meet Chinese President Xi Jinping during his visit to China on May 14–15. His trip was earlier planned for late March but was postponed due to unrest in the Middle East.
Before this meeting, officials from both countries held economic and trade talks in Paris in March to prepare for the high-level discussions.
- With inputs from agencies
