New Delhi: India expands no-fly zone Bay of Bengal missile test as aviation authorities issue a large-scale NOTAM (Notice to Airmen), significantly extending restricted airspace over the Bay of Bengal.
The move signals preparations for a major missile test from the Defence Research and Development Organisation’s (DRDO) launch facility on Dr APJ Abdul Kalam Island, off the coast of Odisha. The no-fly zone has been expanded to cover an estimated 2,530 km flight restriction zone over the sea, effective from surface level to unlimited altitude.
Civil aviation, military aircraft and maritime operations have been alerted about this temporary closure amid speculation that India may test a high-energy, long-range missile system. Frequent revisions and short-notice NOTAMs not only ensure safety but also reduce advance positioning opportunities for foreign surveillance assets.
What the Expanded No-Fly Zone at Bay of Bengal Means
A Notice to Airmen is a formal safety bulletin that alerts pilots and air traffic services to potential hazards or restricted zones in airspace due to military or civilian operations. In this case, the NO-FLY zone spans thousands of kilometres over the Bay of Bengal, extending from the eastern coast into deeper oceanic space.
The increased size of the restricted zone — nearly 2,530 km — points toward a missile test of substantial range and altitude. Such expanded NOTAM areas typically indicate a complex test involving ballistic trajectories, which can span international air routes and require heightened safety measures for civilian traffic.
Strategic Test Location: DRDO’s Abdul Kalam Island
Dr APJ Abdul Kalam Island, formerly Wheeler Island, is India’s premier missile launch facility run by the DRDO. Located off Odisha’s coast, it has been the site of numerous missile tests dating back decades, including ballistic missiles and other defence systems.
The island’s launch complexes have previously hosted tests of strategic systems such as long-range ballistic missiles and user evaluation flights for weapons like the Pralay quasi-ballistic missile, which was tested successfully in July 2025.
DRDO maintains strict control over access to the facility, and all prior weapons trials are conducted with precise safety notifications like NOTAMs to protect civilian and commercial traffic.
Why the Timing and Scale Matter
The timing of the NOTAM — scheduled for several days with short notice — suggests that India may be preparing to test an advanced long-range or strategic missile system. Analysts say such tests align with India’s efforts to enhance its defence self-reliance and strategic deterrence capabilities.
The expanded restriction also serves a dual purpose — to limit data collection by foreign surveillance vessels and aircraft in the region and to highlight India’s growing command of strategic weapons development.
Confirmed official statements on the specific missile type to be tested have not yet been released by the Ministry of Defence. However, past extended NOTAMs have often preceded significant military trials, including ballistic and space-related missile systems.
Historical Context of Missile Testing in the Region
India’s missile development programme has seen multiple high-profile tests from the Bay of Bengal launch range. For example, Indian defence scientists conducted successful Pralay missile tests in July 2025 — validating their trajectory control and precision capabilities.
India also routinely issues NOTAMs for ocean-based missile trials, with earlier alerts covering ranges of thousands of kilometres to protect aviation and shipping lanes.
The south and southeast Indian Ocean has become a key strategic testing zone as India expands its missile and defence technologies to counter evolving threats and modernise its deterrence posture.
