Wonju Airport / Hoengseong Air Base (K-38/K-46)

RKNW / WJU

Wonju, KR

Last Updated
Mar 26, 08:23Z

Military Airport

Restricted

This is a Republic of Korea Air Force installation. Civil access is restricted.

Access Notes:

Military fields restricted to civil traffic

Consult official AIP (Korea AIP ENR 5.2) for current access procedures and restrictions.

Current Weather

Display Units
Stale 662 hours ago
08:23Z

🌙 Night
VFR
Flight Rules
20°C
Temperature
Dewpoint: -2°C
6 kt
230°
10+ km
Visibility
Ceiling
Unlimited
--
QNH
Altimeter Setting

Raw METAR

SPECI RKNW 260823Z 23006KT 9999 SKC 20/M02 A2986

Weather Briefing

VFR

Wonju Airport / Hoengseong Air Base (K-38/K-46) is currently reporting visual flight rules (VFR) conditions with clear skies and 10 miles or greater visibility. Note: This observation is 661.6 hours old and conditions may have changed.

Wind Analysis

Winds are from the southwest (230°) at 6 knots. Runway 21 is favored with a 6-knot headwind and 2-knot crosswind component.

Visibility & Ceiling

Visibility is unrestricted. Skies are clear with unlimited ceiling.

Temperature & Moisture

Temperature is 20°C (68°F) with a dewpoint of -2°C, indicating very dry conditions.

Pilot Recommendations

Conditions are favorable for visual flight.

This briefing is generated from real-time METAR and TAF data. Always verify with official sources before flight.

24-Hour Weather Evolution

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Data Sources
  • • Current conditions from METAR observations
  • • Historical data from past 24 hours
  • • No forecast or predicted data included
  • • Data updated with each new METAR report
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Note: Future values beyond current TAF validity are estimates based on climatological data and trends. Always verify with current forecasts before flight operations.

Airport Runway Layout

N
KNW
03
21 ✈️

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 03/21
Active: 21
9,000 ft 150 ft CON 26°
5.6 kt 2.1 kt
20° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - RKNW

702 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
34.8%
MVFR
21.8%
IFR
34.9%
LIFR
8.5%

Wonju Airport / Hoengseong Air Base (K-38/K-46) is frequently affected by reduced visibility conditions, with VFR weather only 34.8% of the time and IFR/LIFR conditions occurring in 43.4% of observations. Prevailing winds are from the SW averaging 2.9 knots. Temperature extremes range from -16°C to 29°C, reflecting significant seasonal variation. The best months for VFR flying are January, October, March.

Wind Analysis

Prevailing Direction: SW (225°)
Average Speed: 2.9 kt
Maximum Recorded: 25 kt
Calm Winds: 0%
Direction Distribution:
N
14.7%
NE
18.1%
E
6.7%
SE
3.1%
S
12%
SW
26.2%
W
11.7%
NW
7.5%

Temperature Range

Average: 7.5°C
Range: -16°C to 29°C
-16°C 29°C

Visibility

Average: 10 SM
Below 3 SM: 0%
Fog Frequency: 5%

Best Months for VFR

January October March

Runway Wind Analysis

Runway 03/21
Favorable wind: 100%
Avg crosswind: 1.2 kt

Statistics computed from 702 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Wonju Airport / Hoengseong Air Base (K-38/K-46) - Airport Information

Airport Details

ICAO Code: RKNW
IATA Code: WJU
Type: medium airport
Status: active
Elevation: 329 ft MSL

Location

City: Wonju
Country: KR
Latitude: 37.437113°
Longitude: 127.960051°
Time Zone: Europe/Moscow

Runway Information

Runway 03/21
Length: 9,000 ft
Width: 150 ft
Surface: CON
ILS: No

About Wonju Airport / Hoengseong Air Base (K-38/K-46)

Wonju Airport / Hoengseong Air Base (K-38/K-46) is a military facility. Civilian access may be restricted or require Prior Permission (PPR). Pilots should consult the KR AIP for current access procedures and restrictions.

Overview

Wonju Airport, located in Wonju, South Korea, serves as both a civilian and military airfield (Hoengseong Air Base). Situated at an elevation of 329 ft MSL, the airport provides strategic aviation infrastructure in the central region of South Korea. The airport features a single concrete runway (03/21) measuring 9,000 feet in length.

Flying Conditions

Weather conditions at Wonju Airport demonstrate significant variability, with instrument flight rules (IFR) dominating 35.7% of observations and marginal VFR conditions present 22.5% of the time. Temperature ranges extensively from -15°C to 29°C, with an average of 8.6°C. Prevailing winds from the southwest (225°) average 2.8 knots, with occasional gusts up to 25 knots.

Notable Features

The airport's single runway (03/21) demonstrates excellent wind alignment, with 100% favorable wind conditions. Crosswinds are minimal, averaging only 1.2 knots. Visibility is consistently good, with an average of 10 statute miles and rare instances of reduced visibility, with fog present in only 5.3% of observations.

Approach Considerations

October, January, and November represent the most favorable VFR flying months at Wonju Airport. Pilots can expect predictable wind patterns from the southwest, with generally stable approach conditions. The runway's substantial 9,000-foot length provides ample landing and takeoff space for medium-sized aircraft operations.

Data Sources & Accuracy: Airport information sourced from OurAirports.com, a collaborative database of worldwide airport data. Weather data from official aviation weather services including NOAA Aviation Weather Center and international METAR/TAF providers. Information is updated regularly but pilots should always verify current conditions and NOTAMs through official channels before flight operations.

Official Data Sources

Weather NOAA Aviation Weather Center • International METAR/TAF Network
Airports OurAirports.com • Public domain airport database
NOTAMs FAA NOTAM System • ICAO NOTAM Distribution
Last updated: Jan 1, 1970 12:00 AM UTC

Disclaimer: Data is provided for informational purposes only. Pilots must verify all information through official sources before flight operations. Weather conditions change rapidly; always obtain a current briefing from approved weather services.