<< >> NASA ASRS Report 1688774, October 2019

Dispatcher reported they changed an aircraft's call sign due to a similar sounding call sign departing at the same time.

Attributes
ACN	1688774
Time
Date	201910
Place
Locale Reference	EWR.Airport
State Reference	NJ
Aircraft 1
Make Model Name	B757 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Parked
Flight Plan	IFR
Aircraft 2
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Parked
Flight Plan	IFR
Person 1
Function	Dispatcher
Qualification	Dispatch Dispatcher
Events
Anomaly	ATC Issue All Types Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy

Narrative:

I had two flights scheduled to depart ewr. One flight was scheduled to go ewr-ZZZ. The second flight was scheduled to operate ewr-ZZZ1. Both of these flights are operated on a B757 aircraft. This could be a safety issue for ATC and even the dispatcher as having two flights departing at the same departure time; same aircraft time and the flight numbers being 1 digit off from one another. I modified the flight number for ATC to avoid any potential confusion for both ATC and the dispatcher who relieves me.

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Original NASA ASRS Text

Title: Dispatcher reported they changed an aircraft's call sign due to a similar sounding call sign departing at the same time.

Narrative: I had two flights scheduled to depart EWR. One flight was scheduled to go EWR-ZZZ. The second flight was scheduled to operate EWR-ZZZ1. Both of these flights are operated on a B757 aircraft. This could be a safety issue for ATC and even the Dispatcher as having two flights departing at the same departure time; same aircraft time and the flight numbers being 1 digit off from one another. I modified the flight number for ATC to avoid any potential confusion for both ATC and the Dispatcher who relieves me.

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.