RCNNOpen in the mapper

AIRPORT

Tainan International AirportRCNN / TNN

Tainan International Airport serves Tainan, Tainan City, Taiwan. Its ICAO code is RCNN and its IATA code TNN. The longest of its 2 runways is 18L/36R, at 10,007 ft (3,050 m). The field is 63 ft (19 m) above sea level. Local time is Asia/Taipei, UTC+8.

Published by Overfly · Airport data: OurAirports, 14 Sep 2026 · Last updated 23 Sep 2026

ICAO

RCNN

IATA

TNN

LONGEST RUNWAY

10,007 ft

3,050 m · 18L/36R

ELEVATION

63 ft

19 m

TIME ZONE

UTC+8

Asia/Taipei

POSITION

22.950°N

120.206°E

Runways

18L/36R10,007 ft · 3,050 mCON

18R/36L10,007 ft · 3,050 mCON

Nearest airports

Gangshan Air Force Base RCAY 11 nm30m

Zuoying Naval Airfield TW-000415 nm30m

Pingtung Air Force Base North RCSQ 21 nm35m

Pingtung Air Force Base RCDC 22 nm35m

Kaohsiung International Airport RCKH 24 nm35m

Chiayi Airport RCKU 32 nm35m

Penghu Magong Airport RCQC 49 nm35m

Taitung Airport RCFN 51 nm35m

Questions people ask about Tainan International Airport

How long is the runway at Tainan International Airport?

The longest runway, 18L/36R, is 10,007 ft (3,050 m), surface CON. Tainan International Airport has 2 runways in all.

What is the elevation of Tainan International Airport?

63 ft (19 m) above mean sea level.

What time zone is Tainan International Airport in?

Asia/Taipei: UTC+8.

What are the codes for Tainan International Airport?

ICAO RCNN, IATA TNN. It serves Tainan, Taiwan.

How far can you fly from Tainan?

Open the mapper with a 7,300 nm range ring around RCNN, then pick your own aircraft, add a route and check every leg.

Open RCNN in the mapper

For reference and planning interest. Not for operational flight planning. Runway and elevation data from OurAirports; check current charts and NOTAMs before any flight. © 2026 Overfly.Flights