Ranong Airport

VTSR / UNN

Ranong, TH

Last Updated
Mar 4, 11:00Z

Current Weather

Display Units
Fresh 21 min ago
11:00Z

☀️ Day
VFR
Flight Rules
30°C
Temperature
Dewpoint: 23°C
4 kt
300°
10+ km
Visibility
Ceiling
Unlimited
1008 hPa
QNH
Altimeter Setting

Raw METAR

METAR VTSR 041100Z 30004KT 270V330 9999 FEW020 30/23 Q1008 NOSIG

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 57 ft
FEW 2,000 ft AGL
🌤️
FEW
Few (1/8-2/8 sky coverage)
2,000 ft
AGL (Above Ground)
2,057 ft AMSL
QNH
1008 hPa
Sea Level Pressure
For altitude above MSL
QFE
1006 hPa
Field Pressure
Height above aerodrome (57 ft)
Pressure Alt
215 ft
QNE Reference
Standard: 1013 hPa
Density Altitude: 2,029 ft
ISA Deviation: +15.1°C

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
TSR
02 ✈️
20

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 02/20
Active: 02
6,562 ft 148 ft CON 24°
0.7 kt 3.9 kt
80° angle
🟢 Active Runway: Best headwind component for current conditions
⬆️ Headwind: Favorable wind component
↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Weather Statistics - VTSR

2,260 observations | Sep 2025 - Mar 2026

Flight Rules Distribution

VFR
73.9%
MVFR
25.8%
IFR
0.3%
LIFR
0%

Ranong Airport typically experiences VFR conditions 73.9% of the time, though instrument-rated pilots will find IFR weather present approximately 0.3% of observations. Prevailing winds are from the E averaging 6.9 knots. Calm conditions occur 22.7% of the time. Temperatures typically range between 18°C and 35°C with an average of 27.9°C. The best months for VFR flying are March, January, February.

Wind Analysis

Prevailing Direction: E (90°)
Average Speed: 6.9 kt
Maximum Recorded: 22 kt
Calm Winds: 22.7%
Direction Distribution:
N
8.1%
NE
6.9%
E
23.6%
SE
6.3%
S
4.2%
SW
11.7%
W
10.3%
NW
6.2%

Temperature Range

Average: 27.9°C
Range: 18°C to 35°C
18°C 35°C

Visibility

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

Best Months for VFR

March January February

Runway Wind Analysis

Runway 02/20
Favorable wind: 100%
Avg crosswind: 5.3 kt

Statistics computed from 2,260 METAR observations (Sep 2025 - Mar 2026). Data sourced from official aviation weather services. Updated daily.

Ranong Airport - Airport Information

Airport Details

ICAO Code: VTSR
IATA Code: UNN
Type: medium airport
Status: active
Elevation: 57 ft MSL

Location

City: Ranong
Country: TH
Latitude: 9.777620°
Longitude: 98.585503°
Time Zone: Etc/GMT-7

Runway Information

Runway 02/20
Length: 6,562 ft
Width: 148 ft
Surface: CON
ILS: No

About Ranong Airport

Overview

Ranong Airport serves the coastal region of southwestern Thailand, located in Ranong Province near the Myanmar border. As a medium-sized airport with a single runway measuring 6,562 feet, it provides critical transportation infrastructure for this maritime and mountainous area of southern Thailand.

Flying Conditions

The airport experiences predominantly Visual Flight Rules (VFR) conditions, with 68.7% of observations supporting clear flying weather. Winds are consistently from the east at an average of 6.6 knots, with maximum gusts reaching 20 knots, and calm conditions occurring 24.5% of the time. Temperature remains stable, averaging 27.4°C with a range between 18°C and 34°C.

Notable Features

Situated at a low elevation of 57 feet mean sea level, Ranong Airport is positioned in a coastal terrain with minimal elevation challenges. The airport's geographic location suggests potential maritime influences on local weather patterns, with consistent easterly winds and high visibility averaging 10 statute miles.

Approach Considerations

Runway 02/20 demonstrates highly favorable wind conditions, with prevailing winds aligned 100% with the runway heading. Pilots can expect an average crosswind component of just 4.8 knots, making for generally comfortable approach and landing conditions. The best visual flying months are November, December, and January, offering optimal weather conditions for 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.