Mertens Private
3CO2 · Sterling, CO · Non-towered · Print kneeboard · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-11-02 · night begins 05:17 PM
| Event | Local (MST) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:56 AM | 12:56Z |
| Sunrise | 06:24 AM | 13:24Z |
| Sunset | 04:49 PM | 23:49Z |
| Evening civil twilight Loggable night begins | 05:17 PM | 00:17Z |
Plan a flight from 3CO2
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
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Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
RWY 18RIGHT trafficRP · charted
- Heading
- 180° mag · 191° true
- Dimensions
- 4,000 × 100 ft
- TPA
- 5,200 ft MSL (≈1,000 AGL) · standard
- Surface
- GRVL-DIRT
Enter the right downwind (heading 000°) on the 45° at 5,200 ft MSL (≈1,000 AGL).
More details — RWY 18
- Approach obstacle
- Road, 300 ft from threshold
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 18/36 | 4,000 ft |
Prefer one flat page? Full runway details for 3CO2 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 3CO2 kneeboard →
Comms & NavAids
Nearby navigation aids
AKO 114.40 · SNY 115.90
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| AKO · Akron | VOR/DME | 114.40 · 91X | High | r333° / 28.6 NM |
| SNY · Sidney | VOR/DME | 115.90 · 106X | High | r196° / 32.9 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 3CO2 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 3CO2
- Coordinates
- 40.6175, -103.3333
- Elevation
- 4,192 ft MSL
- Magnetic variation
- 11E
- Sectional chart
- CHEYENNE
- Airport use
- Private
- Control tower
- No
- ARTCC
- DENVER (ZDV)
- Flight service (FSS)
- DENVER · 122.4 · 1-800-WX-BRIEF
- Attendance
- ALL 0700-1600
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1975/06
- Distance from city
- 6 W
Services fuel · repairs · oxygen · attendance
- Fuel available
- 100LL, Jet A
- Airframe service
- MINOR
- Powerplant service
- MINOR
Ownership & management 2 contacts
Remarks FAA · 2 notes
General
- FOR CD CTC DENVER ARTCC AT 303-651-4257.
Contact
- 970-520-1941 (CELL)
Nearby airports
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Also nearby: 7V5 Brush Municipal (24 NM) · CO06 Wirth Field (private) (27 NM) · NE34 Fehringer Aerodrome (private) (31 NM)
About 3CO2
Mertens (3CO2) is an airport in Sterling, CO, at 4,192 ft MSL. It has 1 runway, the longest 4,000 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 3CO2, refreshed from the Aviation Weather Center and FAA NASR.
Does 3CO2 have a control tower?
No. Mertens is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 3CO2?
Mertens has 1 runway; the longest is 4,000 ft. See the Runways section for headings, surface, and lighting.
Where is 3CO2?
Mertens is in Sterling, CO, at an elevation of 4,192 ft MSL. Coordinates: 40.6175, -103.3333.
More about 3CO2
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 3CO2 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.