Mason City Municipal Airport traffic pattern

Pattern altitude at Mason City Municipal Airport (MCW · KMCW) is 2,013 ft MSL · 800 AGL as published by the FAA, and every runway end is standard left traffic.

All of Mason City Municipal 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 KMCW reports it.

RWY 12LEFT traffic

Heading: 125° mag · 125° true
Dimensions: 5,502 × 150 ft
TPA: 2,013 ft MSL · 800 AGL · charted
Surface: Asphalt
Lights: 4-light PAPI (left) (3°)
CTAF: 123.0

Enter the left downwind (heading 305°) on the 45° at 2,013 ft MSL.

More details — RWY 12

Threshold elev: 1,210 ft
Markings: nonprecision
Approach obstacle: Tree, 63 ft, 1,700 ft from threshold, 150 ft L of centerline — 23:1 slope to clear
Threshold crossing height: 39 ft
TDZ elevation: 1,210 ft
Declared TORA/TODA/ASDA/LDA: 5,501 / 5,501 / 5,501 / 5,501 ft
End lights: REIL

Condition: Excellent. Edge lights: Med. Surface: Grooved. Weight bearing: Single wheel 80k, Double wheel 110k, Dual tandem 180k.

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

Pattern direction by runway

Runway	Pattern	Heading	Pattern altitude
12	Left traffic	125° mag	2,013 ft MSL · 800 AGL
30	Left traffic	305° mag	2,013 ft MSL · 800 AGL
18	Left traffic	180° mag	2,013 ft MSL · 800 AGL
36	Left traffic	000° mag	2,013 ft MSL · 800 AGL

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

Flying the pattern at KMCW

Mason City Municipal Airport 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 KMCW?

The FAA publishes a traffic pattern altitude of 800 ft AGL for Mason City Municipal Airport, which is 2,013 ft MSL on the altimeter with the field at 1,213 ft.

Does KMCW have right traffic?

No. All 4 runway ends at Mason City Municipal Airport use standard left traffic, so no right pattern is charted here.

What frequency is the pattern on at KMCW?

Mason City Municipal Airport 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 KMCW

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.