He was seen on 14 August 1988 in Islamabad, Pakistan, during the Independence Day parade attended by then Gen. Zia UL HAQ and speaker Ghulam Ishaq Khan piloting his F-16 fighter jet and manoeuvring the jet skillfully receiving praise during the parade because of his skills.

: 546 [4] Further training took place in the United States where Flying Officer Hakimullah qualified to fly the F-104 Starfighter and participated in the Indo-Pakistani War of 1965.: 44 [5] Flight-Lieutenant Hakimullah notably intercepted the Indian Air Force's Folland Gnat flown by then-Flight lieutenant Brijpal Singh Sikand, who was forced to land near at the airstrip in Pasrur, Pakistan.

: 229 [6]: contents [7] In 1971, Wing-Commander Hakimullah flew the Mirage-IIIA in the western front of the Indo-Pakistani War of 1971, seeing aerial actions against the MiG-21.

In 1981, Air-Commodore Hakim was appointed Project-Director of Project Falcon, overseeing the acquisition of F-16s by the air force.

He was buried in his home village that same day, and his funeral was attended by air force officials, as well as local people.