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Killeen Regional Airport / Robert Gray Army Airfield traffic pattern

Pattern altitude at Killeen Regional Airport / Robert Gray Army Airfield (GRK · KGRK) is 2,000 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 Killeen Regional Airport / Robert Gray Army 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 KGRK reports it.

5,000 ftNMNxw 063°downwind 333°base 243°final 153°45° entry1533

RWY 15LEFT traffic

Heading
153° mag · 157° true
Dimensions
9,997 × 200 ft
TPA
2,000 ft MSL (≈1,000 AGL) · standard
Surface
ASPH-CONC
Lights
4-light PAPI (left) (3°) + MALSR
ILS
ILS · CAT I · LOC 111.1 (GRK) · GS 3.00°
CTAF
120.75
More details — RWY 15
Threshold elev
1,015 ft
Markings
precision
Threshold crossing height
53 ft
TDZ elevation
1,015 ft

Condition: Excellent. Edge lights: High. PCN 59.

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

Pattern direction by runway

RunwayPatternHeadingPattern altitude
15 Left traffic 153° mag 2,000 ft MSL (≈1,000 AGL)
33 Left traffic 333° mag 2,000 ft MSL (≈1,000 AGL)

No pattern altitude is published for KGRK; 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 KGRK

Killeen Regional Airport / Robert Gray Army Airfield is towered, working 120.75. Contact the tower before entering the surface area and fly the pattern you are assigned — the directions below are the charted default when no instruction is given.

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 KGRK?

Killeen Regional Airport / Robert Gray Army Airfield 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 2,000 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 KGRK have right traffic?

No. All 2 runway ends at Killeen Regional Airport / Robert Gray Army Airfield use standard left traffic, so no right pattern is charted here.

Do I fly a standard pattern at KGRK?

Killeen Regional Airport / Robert Gray Army Airfield is towered (120.75), so the pattern shown here is the charted default — but the controller's instruction overrides it. Expect straight in approaches, base entries and midfield crossings as traffic dictates.

More about KGRK

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.