SkyReady

John H Boylan State (Island Pond) traffic pattern

Pattern altitude at John H Boylan State (Island Pond) (5B1) is 2,200 ft MSL (≈1,000 AGL) by the standard convention — none is published for this field, and every runway end is standard left traffic. · Open on the map

All of John H Boylan State (Island Pond) — 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 5B1 reports it.

5,000 ftNMNxw 051°downwind 321°base 231°final 141°45° entry1432

RWY 14LEFT traffic

Heading
141° mag · 124° true
Dimensions
2,650 × 120 ft
TPA
2,200 ft MSL (≈1,000 AGL) · standard
Surface
Turf
CTAF
122.9

Enter the left downwind (heading 321°) on the 45° at 2,200 ft MSL (≈1,000 AGL).

More details — RWY 14
Threshold elev
1,194 ft
Markings
nonstandard
Approach obstacle
Trees, 75 ft, 355 ft from threshold, 145 ft R of centerline — 4:1 slope to clear · penetrates the 20:1 visual approach surface

Condition: Good.

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: FAA runway-end coordinates

Pattern direction by runway

RunwayPatternHeadingPattern altitude
14 Left traffic 141° mag 2,200 ft MSL (≈1,000 AGL)
32 Left traffic 321° mag 2,200 ft MSL (≈1,000 AGL)

No pattern altitude is published for 5B1; the figure above is the AC 90-66B 1,000 ft AGL convention for propeller aircraft, rounded to the field. Turbine aircraft normally fly 1,500 ft AGL. Headings are the runway alignment; downwind is the reciprocal.

Flying the pattern at 5B1

John H Boylan State (Island Pond) is non towered, so the pattern is self announced on CTAF 122.9. AC 90-66B asks for a report on entry and on each leg, and for the standard 45° entry to downwind at pattern altitude.

All ends are left traffic, which is the FAR 91.126 default — turns to the left unless the field charts otherwise. The full entry procedure is here →

Frequently asked

What is the traffic pattern altitude at 5B1?

John H Boylan State (Island Pond) has no traffic pattern altitude published in the FAA NASR data. The AC 90-66B convention for propeller aircraft is 1,000 ft AGL, which works out to roughly 2,200 ft MSL (≈1,000 AGL) here — but confirm it against the Chart Supplement before you fly, since a field can have a non standard pattern altitude that NASR does not carry.

Does 5B1 have right traffic?

No. All 2 runway ends at John H Boylan State (Island Pond) use standard left traffic, so no right pattern is charted here.

What frequency is the pattern on at 5B1?

John H Boylan State (Island Pond) is non towered, so pattern position reports go on the CTAF, 122.9. AC 90-66B asks for self announcing on entry and on each leg.

More about 5B1

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.

Something here wrong or out of date? Report a data problem.