Narrative:

At the time of the following incident; [reporter] was training [a trainee] on the north ramp control position.outbound flight aircraft X was holding short of alpha and romeo hotel from the ramp. Upon notification that aircraft X was ready to taxi; [trainee] provided control instructions to aircraft X to taxi via bravo; hold short of kilo; and contact ground. Shortly after instructions were provided; inbound flight aircraft Y taxied on alpha; through romeo hotel; without being provided instructions to taxi to its gate; by a ramp controller. Before taxiing; outbound flight aircraft X's pilots noticed that the inbound flight; aircraft Y; was not going to give way; because of this; the pilots of aircraft X waited to taxi until aircraft Y was clear of the intersection.without the situational awareness of aircraft X's pilots; the two aircraft could have made contact. Upon parking into gate; the pilots of aircraft Y were advised that they need to contact ramp control prior to kilo by [reporter] and were provided the telephone number of ramp control.

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Original NASA ASRS Text

Title: A ramp controller reported observing a conflict where one aircraft was given instructions to taxi; while another aircraft was not. The aircraft would have been a major conflict if one of the pilots did not wait for the other aircraft to move without instructions.

Narrative: At the time of the following incident; [reporter] was training [a trainee] on the North Ramp Control Position.Outbound flight Aircraft X was holding short of Alpha and Romeo Hotel from the ramp. Upon notification that Aircraft X was ready to taxi; [trainee] provided control instructions to Aircraft X to taxi via Bravo; hold short of Kilo; and contact ground. Shortly after instructions were provided; inbound flight Aircraft Y taxied on Alpha; through Romeo Hotel; without being provided instructions to taxi to its gate; by a ramp controller. Before taxiing; outbound flight Aircraft X's pilots noticed that the inbound flight; Aircraft Y; was not going to give way; because of this; the pilots of Aircraft X waited to taxi until Aircraft Y was clear of the intersection.Without the situational awareness of Aircraft X's pilots; the two aircraft could have made contact. Upon parking into gate; the pilots of Aircraft Y were advised that they need to contact ramp control prior to Kilo by [reporter] and were provided the telephone number of Ramp Control.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.