Ken Jernstedt Airfield traffic pattern

Pattern altitude at Ken Jernstedt Airfield (4S2) is 1,507 ft MSL · 869 AGL as published by the FAA, and every runway end is standard left traffic. · Open on the map

All of Ken Jernstedt Airfield — 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 4S2 reports it.

RWY 25LEFT traffic

Heading: 251° mag · 270° true
Dimensions: 3,040 × 75 ft
TPA: 1,507 ft MSL · 869 AGL · charted
Surface: Asphalt
CTAF: 122.8

Enter the left downwind (heading 071°) on the 45° at 1,507 ft MSL.

More details — RWY 25

Threshold elev: 597 ft
Markings: basic
Approach obstacle: Tree, 50 ft, 980 ft from threshold, 140 ft R of centerline — 15:1 slope to clear · penetrates the 20:1 visual approach surface
End lights: REIL

Condition: Excellent. Edge lights: Med. Weight bearing: Single wheel 23k.

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

Pattern direction by runway

Runway	Pattern	Heading	Pattern altitude
07	Left traffic	071° mag	1,507 ft MSL · 869 AGL
25	Left traffic	251° mag	1,507 ft MSL · 869 AGL

Pattern altitude is published for 4S2 in the FAA NASR data. Headings are the runway alignment; downwind is the reciprocal.

Flying the pattern at 4S2

Ken Jernstedt Airfield 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.

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 4S2?

The FAA publishes a traffic pattern altitude of 869 ft AGL for Ken Jernstedt Airfield, which is 1,507 ft MSL on the altimeter with the field at 638 ft.

Does 4S2 have right traffic?

No. All 2 runway ends at Ken Jernstedt Airfield use standard left traffic, so no right pattern is charted here.

What frequency is the pattern on at 4S2?

Ken Jernstedt Airfield 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 4S2

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.