"aft part" is not a correct or usable phrase in written English.
If you are looking to create a phrase with similar meaning, you could use "afterward(s)" instead. For example, "He completed the first part of the assignment and afterward(s) moved on to the second."
After separation RFBBs return back by use of air breathing engines mounted in the aft part and then landing on a runway.
This study describes the modification of acoustic noise emitted from cylinders in a stationary subsonic flow for a cylinder equipped with flexible hairy flaps at the aft part as a passive way to manipulate the flow and acoustics.
This was followed by a devastating magazine explosion that destroyed the aft part of the ship.
A huge jet of flame burst out of Hood from the vicinity of the mainmast, followed by a devastating magazine explosion that destroyed the aft part of the ship.
Earlier in the action the Shannon's gunnery had devastated the Chesapeake's forward gun crews; this destruction was now inflicted on the gun crews in the aft part of the ship.
Indefatigables light anti-aircraft defences included five octuple mounts for QF 2-pounder ("pom-pom") anti-aircraft (AA) guns, two on the flight deck forward of the island, one on the aft part of the island, and two in sponsons on the port side of the hull.
The airplane's aft section arrived early Monday morning.
But then one of the propeller shafts warped, and the gaff — part of the ship's fore-and-aft rig — broke.
The geometry of contra-rotating propulsor (CRP) was then analyzed, and a steady integral panel method that treats the forward and aft propellers as a whole part is presented.
Part of her aft superstructure was removed and replaced by a hangar, aft of her rear funnel, that housed four to six seaplanes.
Her forward funnel was raised and the upper part was angled aft in an attempt to keep the exhaust gases out of the control and gunnery spaces, while three 3-inch 'Lender' AA guns were added to the roofs of the fore and aft turrets.
