Tainan International Airport / Tainan Air Base

RCNN / TNN

Tainan (Rende), TW

Current Weather

Display Units
Last Updated
10:21Z
☀️ Day
IFR
Flight Rules
26°C
Temperature
Dewpoint: 25°C
2kt
250°
4 km
Visibility
1,600ft
Ceiling
Above Ground Level
29.91
QNH (inHg)
Altimeter Setting

Raw METAR

RCNN 141021Z 25002KT 4000 -RA VCTS BR SCT006 FEW010CB BKN016 BKN040 26/25 Q1012 NOSIG RMK A2991 TS W STNRY

Clouds - Visual Profile

12,000ft
9,000ft
6,000ft
3,000ft
Ground
Field Elev: 63ft
SCT 600ft AGL
FEW 1,000ft AGL (CB)
BKN 1,600ft AGL
BKN 4,000ft AGL
SCT
Scattered (3/8-4/8 sky coverage)
600ft
AGL (Above Ground)
663ft AMSL
🌤️
FEW (CB)
Few (1/8-2/8 sky coverage)
1,000ft
AGL (Above Ground)
1,063ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
1,600ft
AGL (Above Ground)
1,663ft AMSL
☁️
BKN
Broken (5/8-7/8 sky coverage)
4,000ft
AGL (Above Ground)
4,063ft AMSL

Altimeter Settings & Pressure Information

QNH
29.91 inHg
Sea Level Pressure
For altitude above MSL
QFE
29.85 inHg
Field Pressure
Height above aerodrome (63 ft)
Pressure Alt
73 ft
QNE Reference
Standard: 29.92 inHg
Density Altitude: 1,408 ft
ISA Deviation: +11.1°C

Forecast (TAF)

View Full TAF
Raw TAF
TAF AMD RCNN 140910Z 1410/1506 30010KT 7000 TSRA FEW012 FEW014CB BKN025 BKN120 TX34/1505Z TN26/1420Z BECMG 1411/1414 04004KT 9999 FEW012 BKN060 TEMPO 1418/1423 FEW012 SCT025 BECMG 1502/1505 30010KT
Upcoming Changes (Next 12 Hours)
10:35Z BASE
+0h
IFR 300° 10kt
Visibility: 7 km
Ceiling: 2,500ft
Thunderstorm Rain
11:00Z BECMG
+1h
VFR 40° 4kt
Visibility: 10+ km
Ceiling: 6,000ft
18:00Z TEMPO
+8h
VFR

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

N
CNN
18L ✈️
36R
18R ✈️
36L

Runway Information

Runway Length Width Surface Heading Wind Component
✈️ 18L/36R
Active: 18L
10,007 ft 148 ft CON 178°
↑ 0.6kt ↔ 1.9kt
72° angle
✈️ 18R/36L
Active: 18R
10,007 ft 148 ft CON 178°
↑ 0.6kt ↔ 1.9kt
72° 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:

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.