TNN
Tainan International Airport / Tainan Air Base
Tainan International Airport / Tainan Air Base (IATA: TNN, ICAO: RCNN) is a large airport in Tainan (Rende), Tainan City, Taiwan. It opened in 1936. It has 2 runways; the longest is 3,050 m (10,007 ft). It is operated by Civil Aeronautics Administration. In 2020 it handled 258 thousand passengers.
Timeline
1 event · 1936–19361936
OpenedTainan International Airport / Tainan Air Base opens.
From WikidataEvery airfield, 1903–2026
Runways & airfield
Schematic · N · © OpenStreetMap18R/36L179° / 359° · LIT
LENGTH3,050 m10,007 ftWIDTH45 m148 ftSURFACEConcrete
18L/36R179° / 359° · LIT
LENGTH3,050 m10,007 ftWIDTH45 m148 ftSURFACEConcrete
Passengers per year
2009–2020196K
213K
235K
231K
249K
314K
321K
367K
447K
476K
469K
258K
091011121314151617181920
Routes
5 destinations · 3 countriesMost destinationsUni Air 2Tigerair Taiwan 2VietJet Air 1
Straight lines are great circles; rings mark true distance from TNN. From the Wikipedia article “Tainan Airport” (revision of 25 Aug 2026), CC BY-SA 4.0.
Records & rankings
Ranked among 48,011 open airports · world · region · countryScale: share of airports ranked below, best on the right · ties shown as = and a band · passengers are each airport’s latest year on record
Radio frequencies
3 channelsAPPKAOHSIUNG APP121.100
GNDGND121.600
TWRTWR118.400