LONDONDERRY/EGLINTON CTA1-3 ,ATZ,ATIS,NAV AIDS,ATS HR OF OPR:
MON-WED 0520-0600 0830-1715 1815-2030
THU     0520-0600 0830-1815 1915-2030
FRI     0520-0600 0830-1715 1815-2030
SAT     0520-0630 0800-1600  
SUN     0750-0845 1015-1715 1815-2030
PUBLISHED OPENING TIMES ARE THE TIMES AT WHICH AIRSPACE, NAV AIDS AND
ATC SERVICES BECOME AVBL, OPR SHOULDE TAKE THIS INTO CONSIDERATION  
WHEN PLANNING ARRIVAL TIMES