TW
RCNN
Current Weather

Tainan International Airport / Tainan Air Base

RCNN / TNN

Tainan (Rende), TW

Last Updated

Sep 16, 07:00 UTC

Current Weather

Display Units

Time

Temp

Wind

Last Updated

07:00Z

☀️ Day

VFR

Flight Rules

31°C

Temperature

Dewpoint: 26°C

6kt

300°

10+ km

Visibility

6,000ft

Ceiling

Above Ground Level

10.10

QNH (inHg)

Altimeter Setting

Raw METAR

METAR RCNN 160700Z 30006KT 9999 FEW012 SCT025 BKN060 31/26 Q1010 NOSIG RMK A2985

Clouds - Visual Profile

12,000ft

9,000ft

6,000ft

3,000ft

Ground

Field Elev: 63ft

FEW 1,200ft AGL

SCT 2,500ft AGL

BKN 6,000ft AGL

🌤️

FEW

Few (1/8-2/8 sky coverage)

1,200ft

AGL (Above Ground)

1,263ft AMSL

⛅

SCT

Scattered (3/8-4/8 sky coverage)

2,500ft

AGL (Above Ground)

2,563ft AMSL

☁️

BKN

Broken (5/8-7/8 sky coverage)

6,000ft

AGL (Above Ground)

6,063ft AMSL

Altimeter Settings & Pressure Information

QNH

10.10 inHg

Sea Level Pressure

For altitude above MSL

QFE

10.04 inHg

Field Pressure

Height above aerodrome (63 ft)

Pressure Alt

19,883 ft

QNE Reference

Standard: 29.92 inHg

Density Altitude: 21,818 ft (High - Reduced Performance)

ISA Deviation: +16.1°C

Forecast (TAF)

View Full TAF

Raw TAF

TAF RCNN 160500Z 1606/1706 27006KT 9999 FEW008 SCT025 BKN060 TX34/1705Z TN26/1620Z TEMPO 1607/1611 8000 -RA FEW010 FEW012CB BKN030 BKN050 BECMG 1612/1615 09004KT TEMPO 1618/1623 7000 FEW012 SCT060 BECMG 1701/1704 27008KT FEW012 SCT040 BKN100

Upcoming Changes (Next 12 Hours)

07:34Z BASE

+0h

VFR 270° 6kt

Visibility: 10+ km

Ceiling: 6,000ft

12:00Z BECMG

+5h

VFR 90° 4kt

18:00Z TEMPO

+11h

MVFR

Visibility: 7 km

24-Hour Weather Evolution

Loading weather data...

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

Chart Features

• Hover for exact values and timestamps
• Click legend items to toggle data series
• Zoom and pan for detailed analysis
• Units automatically converted to preferences

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

↑

CNN

18L

36R ✈️

18R

36L ✈️

Runway Information

Runway	Length	Width	Surface	Heading	Wind Component
✈️ 18L/36R Active: 36R	10,007 ft	148 ft	CON	178°	↑ 3.0kt • ↔ 5.2kt 60° angle
✈️ 18R/36L Active: 36L	10,007 ft	148 ft	CON	178°	↑ 3.0kt • ↔ 5.2kt 60° angle

🟢 Active Runway: Best headwind component for current conditions

⬆️ Headwind: Favorable wind component

↔️ Crosswind: ≤10kt Safe, 11-15kt Caution, >15kt Challenging

Tainan International Airport / Tainan Air Base - Airport Information

Airport Details

ICAO Code: RCNN

IATA Code: TNN

Type: medium airport

Status: active

Elevation: 63 ft MSL

Location

City: Tainan (Rende)

Country: TW

Latitude: 22.950399°

Longitude: 120.206001°

Time Zone: Etc/GMT+-8

Runway Information

Runway 18L/36R

Length: 10,007 ft

Width: 148 ft

Surface: CON

ILS: No

Runway 18R/36L

Length: 10,007 ft

Width: 148 ft

Surface: CON

ILS: No

Aeronautical Information Publication (AIP)

✓ Free Access

ICAO Aeronautical Information

General ICAO aeronautical information

Managed by: ICAO

Access Information: Freely accessible online

Alternative Resources:

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Resources for Pilots

Weather Data

Current conditions and forecasts

• Real-time METAR reports

• Extended TAF forecasts

• Flight rules assessment

Charts & Navigation

Essential aviation charts

• Visual approach charts

• Instrument procedures

• Airport diagrams

Operations

Airport operational data

• Operating hours: 24/7

• Ground handling available

• Fuel services available

About Tainan International Airport / Tainan Air Base

Tainan International Airport / Tainan Air Base (RCNN/TNN) is a regional airport serving commercial and general aviation located in Tainan (Rende), TW. The facility operates at an elevation of 63 feet above sea level and primarily serves regional commercial flights and general aviation.

The facility features 2 runways (18L/36R, 18R/36L) with CON surface . Weather services provide regular METAR reports and TAF forecasts to ensure safe flight operations in all conditions.

Pilots can access comprehensive weather data, including current conditions, extended forecasts, and flight rules analysis. The airport information displayed here includes runway details, operational data, and essential resources for flight planning and execution. All weather data is updated regularly to provide the most current information for aviation decision-making.

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.