St Landry Parish Ahart Field traffic pattern

Pattern altitude at St Landry Parish Ahart Field (OPL · KOPL) is 1,100 ft MSL (≈1,000 AGL) by the standard convention — none is published for this field, and 24, 18 are charted right traffic.

All of St Landry Parish Ahart Field — 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 KOPL reports it.

RWY 18RIGHT trafficRP · charted

Heading: 179° mag · 180° true
Dimensions: 5,999 × 100 ft
TPA: 1,100 ft MSL (≈1,000 AGL) · standard
Surface: Concrete
Lights: 2-light PAPI (left) (3.5°)
Displaced thr: 150 ft
CTAF: 123.0

Enter the right downwind (heading 359°) on the 45° at 1,100 ft MSL (≈1,000 AGL).

More details — RWY 18

Threshold elev: 71 ft
Markings: nonprecision
Approach obstacle: Tree, 48 ft, 943 ft from threshold, 114 ft L of centerline — 15:1 slope to clear · penetrates the 20:1 visual approach surface
Threshold crossing height: 58 ft
TDZ elevation: 71 ft
End lights: REIL

Condition: Good. Edge lights: Med. Weight bearing: Single wheel 30k.

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

Pattern direction by runway

Runway	Pattern	Heading	Pattern altitude
06	Left traffic	059° mag	1,100 ft MSL (≈1,000 AGL)
24	Right traffic	239° mag	1,100 ft MSL (≈1,000 AGL)
18	Right traffic	179° mag	1,100 ft MSL (≈1,000 AGL)
36	Left traffic	359° mag	1,100 ft MSL (≈1,000 AGL)

No pattern altitude is published for KOPL; 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 KOPL

St Landry Parish Ahart Field is non towered, so the pattern is self announced on CTAF 123.0. 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: 24, 18. 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 KOPL?

St Landry Parish Ahart Field 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 1,100 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 KOPL have right traffic?

Yes, on 2 runway ends: 24, 18. Every other end at St Landry Parish Ahart Field is standard left traffic.

What frequency is the pattern on at KOPL?

St Landry Parish Ahart Field is non towered, so pattern position reports go on the CTAF, 123.0. AC 90-66B asks for self announcing on entry and on each leg.

More about KOPL

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.