Miles City Airport - Frank Wiley Field traffic pattern

Pattern altitude at Miles City Airport - Frank Wiley Field (MLS · KMLS) is 3,600 ft MSL (≈1,000 AGL) by the standard convention — none is published for this field, and every runway end is standard left traffic.

All of Miles City Airport - Frank Wiley 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 KMLS reports it.

RWY 13LEFT traffic

Heading: 126° mag · 135° true
Dimensions: 5,624 × 100 ft
TPA: 3,600 ft MSL (≈1,000 AGL) · standard
Surface: Asphalt
Lights: 2-light PAPI (left) (3°)
CTAF: 123.0

Enter the left downwind (heading 306°) on the 45° at 3,600 ft MSL (≈1,000 AGL).

More details — RWY 13

Threshold elev: 2,630 ft
Markings: nonprecision
Threshold crossing height: 43 ft
TDZ elevation: 2,630 ft
Declared TORA/TODA/ASDA/LDA: 5,624 / 5,624 / 5,624 / 5,624 ft
End lights: REIL

Condition: Good. Edge lights: Med. Surface: Grooved. Weight bearing: Single wheel 38k, Double wheel 55k, 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
04	Left traffic	043° mag	3,600 ft MSL (≈1,000 AGL)
22	Left traffic	223° mag	3,600 ft MSL (≈1,000 AGL)
13	Left traffic	126° mag	3,600 ft MSL (≈1,000 AGL)
31	Left traffic	306° mag	3,600 ft MSL (≈1,000 AGL)

No pattern altitude is published for KMLS; 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 KMLS

Miles City Airport - Frank Wiley 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.

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 KMLS?

Miles City Airport - Frank Wiley 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 3,600 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 KMLS have right traffic?

No. All 4 runway ends at Miles City Airport - Frank Wiley Field use standard left traffic, so no right pattern is charted here.

What frequency is the pattern on at KMLS?

Miles City Airport - Frank Wiley 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 KMLS

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.