PRECISION APPROACHES Flashcards
STAR
STANDARD TERMINAL ARRIVAL ROUTE
SIMPLIFIES CLEARANCE, PROVIDES GUIDANCE FROM EN ROUTE TO APPROACH TO DESTINATION
INSTRUMENT APPROACH SEGMENTS
TRANSITION INITIAL INTERMEDIATE FINAL MISSED
APPROACH CATEGORIES
A: 0-90KTS B: 91-120KTS C: 121-140KTS D: 141-165KTS E: 165KTS+
ENTERING FINAL APPROACH COURSE
VECTORS FROM ATC
CLEARANCE TO AN IAF
PRECISION APPROACH
PROVIDES LATERAL COURSE GUIDANCE (LOCALIZER) AND VERTICAL COURSE GUIDANCE (GLIDE SLOPE)
DA/DH- THE ALTITUDES TO CONTINUE OR GO MISSED
ILS- LOCALIZER
OPPOSITE END OF RUNWAY UP TO 4,500' FROM ANTENNA SITE 10° AT 18NM 35° AT 10NM FULL DEFLECTION =2.5° WIDTH= 3°-6°
ILS- GLIDE SLOPE
750'-1250' DOWN RUNWAY 400'-600' FROM CENTERLINE FULL DEFLECTION=.7° WIDTH=1.4° STANDARD DESCENT IS 3°
ILS- OUTER MARKER
DASHES, BLUE LIGHT
4-7 MILES FROM AIRPORT
INDICATES AIRCRAFT AT APPROPRIATE ALTITUDE FOR GLIDE SLOPE
IDENTIFIED BY FIRST 2 LETTERS OF AIRPORT
ILS- MIDDLE MARKER
DOTS AND DASHES AMBER LIGHT 3,500' FROM THRESHOLD ON CENTERLINE GLIDE PATH INTERSECTS MM AT ≈200' AGL INDICATES APPROXIMATELY DH IDENTIFIED BY SECOND 2 LETTERS OF AIRPORT
ILS- INNER MARKER
DOTS WITH WHITE LIGHT
ARRIVAL AT DH ON GLIDE PATH
ILS CATEGORIES
CAT I NO LESS THAN 200' DH AND 1,800 RVR CAT II NO LESS THAN 100' DH AND 1,200 RVR W/ CERTIFICATION CAT IIIA NO DH 700 RVR W/ CERTIFICATION CAT IIIB NO DH 150 RVR W/ CERTIFICATION CAT IIIC NO MINIMUMS W/ CERTIFICATION
PARALLEL ILS LIMITATIONS
CENTERLINES AT LEAST 2,500’ APART AND 1.5 MILES DIAGONAL SEPARATION
MLS
MICROWAVE LANDING SYSTEM
PRECISION NAVIGATION USING MICROWAVE SPECTRUM
AZIMUTH/ELEVATION/DISTANCE
PAR
PRECISION APPROACH RADAR
CONTROLLER PROVIDES AZIMUTH AND ELEVATION NAVIGATIONAL GUIDANCE
