Security

Indonesia weighs US overflight request as air corridor debate grows

Analysts call Indonesian airspace a critical link in US Indo-Pacific mobility, with overflight access shortening response times and extending strategic reach.

US and Indonesian representatives sign the Major Defense Cooperation Partnership, witnessed by Secretary of War Pete Hegseth (left) and Indonesian Defense Minister Sjafrie Sjamsoeddin (right), second row. [US Department of War]
US and Indonesian representatives sign the Major Defense Cooperation Partnership, witnessed by Secretary of War Pete Hegseth (left) and Indonesian Defense Minister Sjafrie Sjamsoeddin (right), second row. [US Department of War]

By Ha Er-rui |

Indonesia is considering a US proposal for military aircraft overflight access to its airspace, a request that could expand US operational flexibility in Southeast Asia. It still needs Jakarta's approval.

Indonesian Defense Minister Sjafrie Sjamsoeddin conferred on security with US Secretary of War Pete Hegseth at the Pentagon on April 13. The two sides announced a Major Defense Cooperation Partnership built on three pillars: military modernization and capability building, professional military education and training, and joint exercises and operational cooperation.

The partnership signals deeper ties, said Hegseth. "This [partnership] signifies the strength and potential of our security relationship … bolsters regional deterrence, and advances our shared commitment to peace through strength," he said.

Sjamsoeddin framed the partnership in reciprocal terms. "We're working on behalf of mutual respect and mutual benefit to enhance [the] value of our national interests," he said.

US Secretary of War Pete Hegseth (fourth left) and Indonesian Defense Minister Sjafrie Sjamsoeddin (fifth left) attend a US-Indonesian meeting at the Pentagon April 13. [Petty Officer 2nd Class Carson Croom/US Navy]
US Secretary of War Pete Hegseth (fourth left) and Indonesian Defense Minister Sjafrie Sjamsoeddin (fifth left) attend a US-Indonesian meeting at the Pentagon April 13. [Petty Officer 2nd Class Carson Croom/US Navy]

Proposal under review

An important part of the discussions is the proposed overflight arrangement.

The proposal would authorize "the Government of Indonesia to authorize blanket overflight for US aircraft clearance through Indonesian airspace for contingency operations, crisis response purposes, and mutually agreed exercise-related activities," New Delhi's Sunday Guardian reported April 12, citing its leaked text.

The proposal would allow open-ended access, but Jakarta says the document is nonbinding and still under review. Under the terms cited by the Sunday Guardian, "US aircraft may transit directly upon notification until subsequent notification of deactivation by the United States."

Concerns exist over Washington having broad control over airspace access. Indonesian officials say they are examining the proposal in light of Indonesia's national interests, airspace sovereignty and independent foreign policy.

The overflight proposal reportedly followed earlier US-Indonesian discussions, including Indonesian President Prabowo Subianto's February talks in Washington with President Donald Trump.

Strategic geography

Indonesia has a strategic location. The archipelago straddles the Pacific and Indian oceans and controls sea lanes through the Strait of Malacca, giving it a dual role over both maritime and aerial passage in the region.

"Indonesia is the missing piece that completes the regional air corridor," geopolitical analyst Agung Sulistyo wrote in Asia Times. Indonesia bestrides the most efficient air corridors linking the Western Pacific, the South China Sea, the Indian Ocean and northern Australia, said Sulistyo.

"This seems to be intended to solve an obvious strategic problem for the US as it increasingly relies on bases in northern Australia that are more distant from China and therefore safer than those close to Taiwan," Aristyo Rizka Darmawan, an assistant professor of international law at the University of Indonesia, wrote in The Strategist, the blog of the Australian Strategic Policy Institute.

He described the proposal as addressing a clear US vulnerability.

If approved, overflight access would give US forces greater flexibility across the Indo-Pacific. It could shorten response times and extend strategic reach in the Taiwan Strait, South China Sea and Indian Ocean.

The proposal could alter the region's geopolitical and military balance, say analysts.

Regional access

Washington already holds basing and overflight agreements with Australia, the Philippines and Japan. Access to Indonesian airspace, if granted, would add another layer to that regional network, particularly as US forces seek to disperse operations and reduce reliance on bases closer to China.

Similar defense cooperation patterns elsewhere in the region, including in the Philippines and Papua New Guinea, have expanded logistics support, joint training and access arrangements that can accelerate US military mobility.

The partnership includes co-development of asymmetric warfare capabilities and next-generation naval defense technologies. The two sides agreed to cooperate on equipment maintenance and expand joint special forces training.

The United States and Indonesia have had diplomatic relations for 77 years.

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