Chehalis-Centralia traffic pattern

Pattern altitude at Chehalis-Centralia (CLS · KCLS) is 1,200 ft MSL (≈1,000 AGL) by the standard convention — none is published for this field, and 16 is charted right traffic. · Open on the map

All of Chehalis-Centralia — 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 KCLS reports it.

RWY 16RIGHT trafficRP · charted

Heading: 162° mag · 178° true
Dimensions: 5,000 × 140 ft
TPA: 1,200 ft MSL (≈1,000 AGL) · standard
Surface: Concrete
Lights: 4-light PAPI (left) (3°)
CTAF: 122.8

Enter the right downwind (heading 342°) on the 45° at 1,200 ft MSL (≈1,000 AGL).

More details — RWY 16

Threshold elev: 171 ft
Markings: nonprecision
Threshold crossing height: 35 ft
TDZ elevation: 176 ft
End lights: REIL

Condition: Good. Edge lights: Med. Weight bearing: Single wheel 30k, Double wheel 30k, Dual tandem 85k.

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

Pattern direction by runway

Runway	Pattern	Heading	Pattern altitude
16	Right traffic	162° mag	1,200 ft MSL (≈1,000 AGL)
34	Left traffic	342° mag	1,200 ft MSL (≈1,000 AGL)

No pattern altitude is published for KCLS; 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 KCLS

Chehalis-Centralia 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: 16. 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 KCLS?

Chehalis-Centralia 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 1,200 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 KCLS have right traffic?

Yes, on one runway end: 16. Every other end at Chehalis-Centralia is standard left traffic.

What frequency is the pattern on at KCLS?

Chehalis-Centralia 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 KCLS

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.