ATCSCC ADVZY 098 DFW/ZFW 05/20/2019 DFW/DAL CAPPING/TUNNEL
CONSTRAINED FACILITIES: ZDC CUSTOMERS SHOULD PLAN AND PARTICIPATE IN FILING A FINAL ALTITUDE AT OR BELOW FLIGHT LEVEL 260 WESTBOUND TRANSITIONING ZHU INTO ZAB FOR UP TO 600 MILES FROM DFW/DAL AIRPORTS. THIS IS IN ADDITION TO EXPECTED DEPARTURE DELAYS AND POSSIBLE WESTBOUND DEPARTURE STOPS DUE TO WEATHER AND VOLUME IN THE HIGH ALTITUDE SECTORS. PILOTS SHOULD NOT ASK FOR HIGHER TO AVOID FREQUENCY CONGESTION.












