South Asia — 2026-09-19

Indian and Pakistani Warships Collide in Arabian Sea in First Direct Military Encounter Since May 2025 Conflict

BLUFAbsent a bilateral incidents-at-sea protocol, the Arabian Sea collision leaves diplomatic protest as the sole escalation brake, though another direct India-Pakistan military encounter remains unlikely within 90 days.

Pakistan Navy corvette PNS Hunain collided with Indian Navy warship INS Kolkata on September 15 in the northern Arabian Sea, roughly 220 kilometers east of Oman 1. India's Ministry of External Affairs said the Indian vessel was conducting routine surveillance in international waters when the Pakistani ship approached at high speed, and it summoned Pakistan's chargé d'affaires to protest what it called "unacceptable and unprofessional conduct," adding that no major damage occurred 23. Pakistan's Foreign Office countered that its navy was conducting the biennial SEASPARK-26 exercise inside its exclusive economic zone when the Indian vessel maneuvered aggressively and made contact, calling the action "belligerent" and summoning India's top diplomat in Islamabad in response 14. India said Pakistan's conduct violated Article 10 of the 1991 bilateral agreement requiring naval vessels to stay at least three nautical miles apart in international waters 3. Neither government has released video or track data corroborating its account. This is the first direct military encounter between the two countries since their four-day conflict in May 2025 4.

Analysis
The collision strips away the informal buffer both navies had maintained since May 2025, leaving Article 10 of the 1991 agreement as the only mechanism governing close encounters, with no bilateral incidents-at-sea pact or hotline to arbitrate contested claims. Without independent track data, each capital's narrative hardens domestic pressure to respond assertively in future EEZ transits. The mirrored, rapid diplomatic protests may instead reflect routine crisis-management choreography rather than genuine alarm, echoing how the 2011 Babur-Godavari incident faded within weeks. A further direct India-Pakistan military incident within the next 90 days is unlikely, given both sides' immediate pivot to diplomatic rather than military channels. Confidence in that judgment is high, resting on that pattern and the 2011 precedent, though neither government has released corroborating track or video data. Sourcing draws on one primary wire account corroborated by three secondary outlets, all reliant on the same unverified government statements. Should further incidents occur, commanders on both sides would face pressure toward more assertive shadowing and intercept postures, raising the operational risk of casualties.

4 sources

Indian, Pakistani Naval Vessels Collide in Arabian Sea, Prompting Diplomatic Tensions - The Diplomat
Indian and Pakistani Warships Collide at Sea, Refueling Tensions - Bloomberg
Indian and Pakistani warships collide at sea, adding to tensions - The Japan Times
India-Pakistan navy ship collision sparks alarm over unintended escalation - Al Jazeera