Air Traffic Control Fully Certified
Air Traffic Control Time Certified In Pos 1 (yrs) 1
Communication Breakdown; Situational Awareness
ATC Issue All Types; Conflict Airborne Conflict; Deviation / Discrepancy - Procedural Other / Unknown
Air Traffic Control Issued Advisory / Alert; Air Traffic Control Issued New Clearance; Air Traffic Control Separated Traffic
Human Factors; Company Policy; Airspace Structure; ATC Equipment / Nav Facility / Buildings; Procedure
The flight plan of Aircraft X was passed to Approach (non radar adjacent facility that controls surface-10;000 ft). The estimated time over NLD VOR that was passed was XA:47z at 8000 feet. At some point a flight plan was copied from Approach regarding a LRD lander. Because Approach requires non-radar separation they would need to de-conflict any conflicts through their airspace. Aircraft Y populated on my radar scope when he was descending from 11;500 feet to 5;000 feet. At the time; I did not have this flight plan in my strip bay. Upon noticing the conflict I immediately called Approach to make sure they were stopping the traffic at 9;000 feet above my coordinated overflight at 8;000 feet. By the time I got a hold of the Approach Controller and issued him a control action of maintaining 9;000 feet the Aircraft Y was out of 8;700 feet in the climb back up to 9;000 with 8 miles lateral. Furthermore; I must mention that not having a direct and quick line to Approach is a safety hazard. We must manually dial a 7 digit number and wait for a response; to then be passed over to the Approach Controller. We must have a direct and quick line that allows us to speak to an adjacent facility. Approach was applying non radar separation to aircraft transitioning through there airspace.
ZHU Center Controller was not made aware of an aircraft estimating their airspace from an adjacent non radar facility that was descending into a conflict with their traffic.