HistoryData
Historical ConflictKarachi

Operation Python

Operation Python destroyed Pakistan's main fuel storage at Karachi and crippled its fleet tanker, severely disrupting Pakistani naval logistics in the 1971 war.

Duration & Scope

1971 ongoing

< 1 year

Key Facts

Date of attack
Night of 8–9 December 1971
Indian strike group size
1 missile boat and 2 frigates
Pakistani assets destroyed
PNS Dacca (tanker) and Kemari Oil Storage facility
Foreign ships sunk
2
Indian losses
None

Strategic Narrative Overview

On the night of 8–9 December 1971, an Indian Navy strike group comprising one missile boat and two frigates approached Karachi under cover of darkness. The group targeted a cluster of ships off the coast. Pakistani attempts to disguise warships among merchant vessels were overcome, and Indian forces engaged the targets with missiles and naval gunfire, striking both military and fuel infrastructure.

01 / The Origins

Operation Python was a follow-up naval strike to Operation Trident during the Indo-Pakistani War of 1971. After the initial Trident attack on the Port of Karachi, Pakistan intensified aerial coastal surveillance and had its warships mingle with merchant shipping to obscure their positions, anticipating another Indian strike. India devised a counter-strategy to neutralise Pakistani naval assets and fuel infrastructure supporting the war effort.

03 / The Outcome

The attack resulted in the Pakistani fleet tanker PNS Dacca being damaged beyond repair and the destruction of the Kemari Oil Storage facility, a critical fuel depot. Two foreign ships in Karachi harbour were also sunk. India suffered no losses. The twin strikes of Trident and Python left Pakistan's western naval command severely weakened for the remainder of the conflict.

Belligerents & Mobilization Analysis

Side A

1 belligerent

Indian Navy

Side B

1 belligerent

Pakistan Navy / Pakistan
Outcome
Indian victory; PNS Dacca destroyed, Kemari Oil Storage facility lost, two foreign ships sunk; no Indian losses

Kinetic Engagement Axis

Major engagements timeline (1971–present)Timeline of major military engagements plotted chronologically.1971present1971Operation Python…Allied

Scroll horizontally to view full axis. Events plotted relatively.

Side A victorySide B victoryInconclusiveDecisive / turning point

Location

Map of Karachi, PakistanMap of Karachi, PakistanKarachi, Pakistan