PRECISION AREA NAVIGATION APPROACH SURFACES

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PRIMARY SURFACE
PRECISION AREA NAVIGATION APPROACH
BEGINS 200 FT. ON APPROACH SIDE OF THRESHOLD
LENGTH DISTANCE BETWEEN RUNWAY AT THRESHOLDS PLUS 400 FT.
WIDTH AT THRESHOLD 1,000 FT.
WIDTH AT THRESHOLD PLUS 200 FT. 1,000 FT.
SLOPE SEE "ELEVATION" BELOW
ELEVATION BETWEEN THRESHOLDS - ELEAVATION OF NEAREST POINT ON RUNWAY CENTERLINE

BEYOND THRESHOLD - ELEVATION OF RUNWAY CENTERLINE AT THRESHOLD

THE PRIMARY SURFACE IS A 1,000 FOOT WIDE RECTANGLE CENTERED ON THE RUNWAY CENTERLINE, BEGINNING 200 FEET ON THE APPROACH SIDE OF A RUNWAY THRESHOLD AND EXTENDING TO 200 FEET ON THE APPROACH SIDE OF THE OPPOSITE RUNWAY THRESHOLD.

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APPROACH SURFACE
PRECISION AREA NAVIGATION APPROACH
BEGINS 200 FT. ON APPROACH SIDE OF THRESHOLD (AT END OF PRIMARY SURFACE)
LENGTH 50,000 FT.
BEGINNING WIDTH 800 FT.
WIDTH AT 50,000 FT. 4,400 FT.
SLOPE 50:1 FOR FIRST 2,566 FT. THEN 34:1 TO END OF APPROACH SURFACE
ELEVATION AT BEGINNING ELEVATION OF THRESHOLD
ELEVATION AT 2,566 FT. 51.3 FT. ABOVE THRESHOLD
ELEVATION AT 50,000 FT. 1,446.4 FT. ABOVE THRESHOLD
THE APPROACH SURFACE IS CENTERED ON THE RUNWAY CENTERLINE/CENTERLINE EXTENDED

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APPROACH TRANSITION SURFACE PRECISION AREA NAVIGATION APPROACH
BEGINS 200 FT. ON APPROACH SIDE OF THRESHOLD
LENGTH 50,000 FT.
BEGINNING WIDTH 600 FT. (EACH SIDE OF APPROACH SURFACE)
WIDTH AT 50,000 FT. 6,376 FT. (EACH SIDE OF APPROACH SURFACE)
SLOPE 7:1 PERPENDICULAR TO RUNWAY CENTERLINE/CENTERLINE EXTENDED
TOP ELEVATION AT BEGINNING 85.7 FT. ABOVE THRESHOLD
TOP ELEVATION AT 2,566 FT. 179.4 FT. ABOVE THRESHOLD
TOP ELEVATION AT 50,000 FT. 2,357.3 FT. ABOVE THRESHOLD
TRANSITION SURFACES EXISTS ALONG THE ENTIRE LENGTH, AND ON EACH SIDE, OF THE APPROACH SURFACE. THE WIDTH AND SLOPE ARE MEASURED PERPENDICULAR TO THE RUNWAY CENTERLINE/CENTERLINE EXTENDED.



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MISSED APPROACH SURFACE PRECISION AREA NAVIGATION APPROACH
BEGINS 1,300 FT. ON APPROACH SIDE OF THRESHOLD
LENGTH 7,800 FT.
BEGINNING WIDTH 2,333.3 FT.
WIDTH AT 7,800 FT. 6,200 FT.
SLOPE 40:1
ELEVATION AT BEGINNING 22 FT. ABOVE THRESHOLD
ELEVATION AT 7,800 FT. 217 FT. ABOVE THRESHOLD
THE MISSED APPROACH SURFACE IS CENTERED ON THE RUNWAY CENTERLINE/CENTERLINE EXTENDED.