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General operations

070 Operational ProceduresChapter 1
TermMeaning
MOPSCMaximum Operational Passenger Seating Configuration
MCTOMMaximum Certified Take-Off Mass
OEIOne Engine Inoperative
AEOAll Engines Operative
ETOPSExtended Range Twin Engine Operational Performance Standards
Isolated aerodromeNo destination alternate available
Approach typePlanning minima
CAT II & IIICAT I RVR
CAT INPA RVR; ceiling at or above MDH
NPANPA RVR/VIS + 1,000 m; ceiling MDH + 200 ft
CirclingCircling visibility and MDH
CATDHRVR
I200 ft550 m
II100 ft300 m
IIIA100 ft or none200 m
IIIB50 ft or none75 m (fail-operational rollout)
IIICNoneNo limit
CategoryVAT (1.3 Vso)MDHVis (m)Max circling speed
Aunder 91 kts400 ft1,500100 kts
B91–120 kts500 ft1,600135 kts
C121–140 kts600 ft2,400180 kts
D141–165 kts700 ft3,600205 kts
FacilityLowest DH/MDH
ILS/MLS/GLS200 ft
GNSS/SBAS/LPV200 ft
GNSS (LNAV)250 ft
ILS LOC only250 ft
VOR/DME250 ft
NDB/DME300 ft
VOR / SRA (1 nm)300 ft
NDB350 ft
ClassCriteriaOEI time
AMOPSC ≥ 20 or MCTOM ≥ 45,360 kg60 min
AMOPSC under 20 or MCTOM under 45,360 kg120 min
B & C (non-ETOPS)120 min or 300 nm (lesser)