As per Dawn News, the Pakistan Navy’s (PN) Chief of Naval Staff (CNS) – Admiral Zafar Mahmood Abbasi – stated that the PN was seeking a new, jet-powered maritime patrol aircraft (MPA).
The new MPA is to replace the PN’s aging Lockheed Martin P-3C Orion MPAs, which it acquired in two batches (in the 1990s and late 2000s/early 2010s) from the US. However, the PN lost two of its planes in 2011 due to a terrorist attack on PNS Mehran. Based on available public data, that would leave the PN’s P-3C fleet at seven aircraft, but this is not an official figure.
In July, the PN also inducted the first of two ATR-72s converted into MPAs. It appears that these are slotted to replace the PN’s aging F-27s. However, it is now clear that the PN is not intending to replace its P-3Cs with the ATR-72; rather, a different – and jet-powered – system is being sought.
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Speaking to media (via Dawn News), Adm. Abbasi stated that the PN is “ready to acquire them (new MPAs) from any source, including the US.” In terms of the latter, the CNS appears to be referring to the Boeing P-8I Poseidon, a variant of which is also in use by the Indian Navy.
However, given Pakistan’s tenuous relationship with the US and, not least, its financial limitations, the P-8I may be untenable. Granted, a long-term loan could (in theory) factor into the situation, but even if the PN succeeds in procuring the P-8I, it could deal with difficult end-user requirements (e.g. US government monitoring, just as the Pakistan Air Force had endured with its F-16 Block-52+ purchase).
In terms of options available today, the only jet-powered MPA the PN could plausibly pursue in the near-term is the Swordfish offered by the Swedish defence giant Saab. Not only is it an available package, but the PN should not have difficulty procuring most of its subsystems.
 Anwar Iqbal. “US suspension of aid not a ‘life or death situation’ for Pakistan, says navy chief in Washington.” Dawn News. 18 September 2018. URL: https://www.dawn.com/news/1433697/us-suspension-of-aid-not-a-life-or-death-situation-for-pakistan-says-navy-chief-in-washington (Last Accessed: 19 September 2018).