1. A Recommended Transit Corridor (RTC) has been established in the Moro Gulf, for vessels navigating to and from the Basilan Strait. The RTC is not a Traffic Separation Scheme and is not marked by aids to navigation.

2. The corridor is comprised of 1 nautical mile wide inbound and outbound transit lanes. These lanes are separated by a 0·5 nautical mile wide buffer zone.

3. The inbound transit lane (north westerly route) is bounded by a line joining the following positions:
6° 51' .03N. , 122° 12' .91E. 
6° 42' .10N. , 122° 23' .90E. 
5° 54' .78N. , 124° 29' .70E. 
and
5° 54' .04N. , 124° 29' .32E. 
6° 41' .26N. , 122° 23' .58E. 
6° 50' .55N. , 122° 12' .17E. 

4. The outbound transit lane (south easterly route) is bounded by a line joining the following positions:
6° 50' .29N. , 122° 11' .75E. 
6° 40' .71N. , 122° 23' .52E. 
5° 53' .65N. , 124° 29' .11E. 
and
5° 52' .97N. , 124° 28' .70E. 
6° 39' .90N. , 122° 23' .25E. 
6° 49' .75N. , 122° 10' .94E. 

5. The Philippine Coast Guard (PCG) must be notified through radio communications at least 6 hours before entering the RTC.

6. Mariners are advised to consult the Philippines Department of Transportation memorandum circular No. 2017-002 and www.namria.gov.ph for further information.