Tainan International Airport / Tainan Air Base

Compiled by Bill Gao

Tainan (Rende), Tainan City (Taiwan)

IATA: TNN ICAO: RCNN

Longest Active Runway

10,007 ft

3,050 meters

Field Elevation

63 ft

19 m MSL

Runway Inventory

2 active

Lighted / Paved

Coordinates & Class

22.9504°, 120.2060°

LARGE AIRPORT

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Multi-Universe Rankings & Statistical Standing

How ranks work →

RunwayFacts Published Dataset

tied #542 of 650

In curated primary commercial index

Global Commercial Universe

#908 of 7558

Top 12.0% percentile worldwide

For airports with equal runway length, the worldwide order does not indicate a length difference.

National Standing (Taiwan)

#4 of 5 in TW

#6 of 18 in full national registry

vs Large Airport Median

+0.1%

Compared to 10,000 ft baseline

💡 TNN in numbers: 10,007 ft longest runway · tied #542 of 650 published · #908 of 7,558 worldwide (top 12.0%) · #4 in Taiwan.

🔬 Operational & Aerodrome Engineering Comparative Analysis

Longest runway 8,000–10,499 ft

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Elevation & National Context

Lowland Aerodrome (<2,000 ft)

TNN lies at 19 m (63 ft), #490 of 650 published airports by elevation and 22.1 percentile among 7,558 worldwide. It is 40 ft below the Taiwan median (103 ft, 5 airports); RMQ is highest at 663 ft, 600 ft higher than TNN.

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Regional Density & Alternates (100 NM)

3 Qualifying Aerodromes in Vicinity

Closest of 3 paved-runway (≥5,000 ft) neighbours within 100 NM: Kaohsiung International Airport (KHH), 23.8 NM, 10,335 ft. Next: MZG 48.9 NM, RMQ 82.1 NM. RMQ has the radius's longest runway, 1,993 ft more than TNN.

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Runway Inventory & National Standing

Primary Runway: 10,007 ft (3,050 m)

TNN runways: 18R/36L 10,007 × 148 ft concrete (con); 18L/36R 10,007 × 148 ft concrete (con). National standing: #4 of 5 in Taiwan; TPE leads by 2,001 ft (12,008 ft). +0.1% vs the 10,000 ft baseline.

🛫 Physical Runway Inventory & Surface Engineering

Runway Designator	Length (ft / m)	Width (ft / m)	Surface Material	Lighting	Status
18R/36L	10,007 ft (3050 m / 3.050 km)	148 ft (45m)	`Concrete (CON)`	✅ Lighted	✅ Active
18L/36R	10,007 ft (3050 m / 3.050 km)	148 ft (45m)	`Concrete (CON)`	✅ Lighted	✅ Active

🧭 Comparative Aerodromes (100 NM Radius, ≥5,000 ft Paved)

Great-circle Haversine spatial proximity matching for commercial facilities with paved runway capacity within 100 NM.

Aerodrome Name	IATA	Distance	Longest Runway	Lighting
Kaohsiung International Airport (Kaohsiung (Xiaogang))	`KHH`	23.8 NM (44.1 km)	10,335 ft	✅ Lighted
Penghu Magong Airport (Huxi)	`MZG`	48.9 NM (90.6 km)	9,843 ft	✅ Lighted
Taichung International Airport / Ching Chuang Kang Air Base (Taichung (Qingshui))	`RMQ`	82.1 NM (152 km)	12,000 ft	✅ Lighted

🛡️ Source: OurAirports Open Aviation Database, snapshot 2026-09-01 · Provenance →