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Half Moon Bay Airport traffic pattern

Pattern altitude at Half Moon Bay Airport (HAF · KHAF) is 999 ft MSL · 933 AGL as published by the FAA, and 30 is charted right traffic.

All of Half Moon Bay Airport — runways, frequencies, charts and live weather

Pattern diagram

Drawn to scale from the FAA NASR runway alignments and the per end right traffic flags — pick a runway to see its pattern. Live wind picks the favored runway when KHAF reports it.

5,000 ftNMNxw 032°downwind 302°base 212°final 122°45° entry1230

RWY 12LEFT traffic

Heading
122° mag · 137° true
Dimensions
5,000 × 150 ft
TPA
999 ft MSL · 933 AGL · charted
Surface
ASPH-CONC
Lights
2-light PAPI (left) (3°)
Displaced thr
752 ft
CTAF
122.8

Enter the left downwind (heading 302°) on the 45° at 999 ft MSL.

More details — RWY 12
Threshold elev
66 ft
Markings
nonprecision
Approach obstacle
Trees, 70 ft, 1,390 ft from threshold, 270 ft R of centerline — 17:1 slope to clear · penetrates the 20:1 visual approach surface
Threshold crossing height
24 ft
TDZ elevation
59 ft

Condition: Fair. Edge lights: Med. Weight bearing: Single wheel 30k, Double wheel 200k, Dual tandem 360k.

Pattern side + displaced threshold: FAA NASR · TPA charted (NASR) · layout: FAA runway-end coordinates

Pattern direction by runway

RunwayPatternHeadingPattern altitude
12 Left traffic 122° mag 999 ft MSL · 933 AGL
30 Right traffic 302° mag 999 ft MSL · 933 AGL

Pattern altitude is published for KHAF in the FAA NASR data. Headings are the runway alignment; downwind is the reciprocal.

Flying the pattern at KHAF

Half Moon Bay Airport is non towered, so the pattern is self announced on CTAF 122.8. AC 90-66B asks for a report on entry and on each leg, and for the standard 45° entry to downwind at pattern altitude.

Watch the right traffic ends here: 30. A right pattern at a field where the other end is left is the single most common place to end up pointing at opposing traffic. The full entry procedure is here →

Frequently asked

What is the traffic pattern altitude at KHAF?

The FAA publishes a traffic pattern altitude of 933 ft AGL for Half Moon Bay Airport, which is 999 ft MSL on the altimeter with the field at 66 ft.

Does KHAF have right traffic?

Yes, on one runway end: 30. Every other end at Half Moon Bay Airport is standard left traffic.

What frequency is the pattern on at KHAF?

Half Moon Bay Airport is non towered, so pattern position reports go on the CTAF, 122.8. AC 90-66B asks for self announcing on entry and on each leg.

More about KHAF

Pattern direction and alignment are drawn from the FAA NASR (28-day cycle); the diagram is generated, not an FAA chart. Pattern altitude is shown as published where NASR carries one, otherwise as the AC 90-66B 1,000 ft AGL convention. For planning and education only; always verify against the Chart Supplement.