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Data source: OurAirports (2026-09-01 Snapshot) · Methodology & Verification →

Singapore Changi Airport

Singapore, South East (Singapore)

IATA: SIN ICAO: WSSS

Longest Active Runway

13,123 ft

4,000 meters

Field Elevation

22 ft

7 m MSL

Runway Inventory

2 active

1 closed, Lighted / Paved

Coordinates & Class

1.3502°, 103.9940°

LARGE AIRPORT

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Multi-Universe Rankings & Statistical Standing

Ranking Universes Guide →

RunwayFacts Published Dataset

#84 of 650

In curated primary commercial index

Global Commercial Universe

#133 of 7558

Top 1.8% percentile worldwide

National Standing (Singapore)

#1 in SG

#1 of 4 in full national registry

vs Large Airport Median

+31.2%

Compared to 10,000 ft baseline

💡 Statistical Statement: Singapore Changi Airport's longest active runway measures 13,123 ft (4,000 m). Within RunwayFacts' published index of 650 aerodromes, it ranks #84. Across the broader global dataset of 7558 commercial facilities, it ranks #133 worldwide (Top 1.8%) and #1 nationally in Singapore.

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Editorial Aerodrome Deep Dive: Singapore Changi Airport (SIN)

Curated Aerodrome Profile

Singapore Changi Airport represents the international benchmark for aerodrome efficiency, passenger transit, and heavy transcontinental connectivity. Positioned at 22 ft MSL in the equatorial tropics, dense humid air provides solid baseline engine thrust and aerodynamic lift. Its parallel 13,123 ft (4,000 m) paved surfaces routinely handle the highest-density widebody operations in the Asia-Pacific region, accommodating maximum takeoff weight Airbus A350-900ULR flights operating non-stop to the US East Coast.

Runway Layout & Magnetic Alignments

Three parallel northeast-southwest runways: 02L/20R (13,123 ft / 4,000 m), 02C/20C (13,123 ft / 4,000 m), and 02R/20L (13,123 ft / 4,000 m, integrated into the Changi East expansion).

Expansion Milestones & Predecessor Facilities

Opened in July 1981 on reclaimed land, replacing the constrained Paya Lebar Airport (QPG). Successively added Terminal 2 (1990), Terminal 3 (2008), the automated Terminal 4 (2017), and the Jewel lifestyle complex (2019). The Changi East project extends operations with a third 4,000 m runway and the future Terminal 5.

Regional Differentiation & Cluster Role

Data Nuances & Operational Quirks

Operates continuous CAT II/III precision approaches in equatorial intertropical convergence conditions characterized by sudden convective thunderstorms and low visibility downpours. Strict over-water departure procedures guide flights safely over the Singapore Strait and South China Sea.

📚 Official Aerodrome Sourcing: Civil Aviation Authority of Singapore (CAAS) · Aeronautical Information Services (Singapore AIP)

Verification Methodology →

🔬 Operational & Aerodrome Engineering Comparative Analysis

Comparative aviation metrics evaluated against regional and global physical operational criteria.

ICAO Code 4E / 4F Super-Heavy

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Elevation & Atmospheric Density

Lowland / Coastal Basin Aerodrome

Singapore Changi Airport operates at a surveyed field elevation of 22 ft (7 m MSL) in Singapore. Situated in low-lying coastal terrain, the aerodrome benefits from dense ambient atmospheric pressure, maximizing turbine engine thrust and wing lift efficiency across all departure vectors.

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Regional Density & Alternates (100 NM)

2 Qualifying Aerodromes in Vicinity

Acts as Southeast Asia's preeminent intercontinental mega-hub, contrasting with regional secondary gateways Johor Bahru Senai (JHB, 26 NM northwest across the Johor Strait) and Batam Hang Nadim (BTH, 16 NM south across the Singapore Strait). Within a 100 NM radius, the facility coordinates airspace flows with 2 qualifying commercial aerodromes, with Hang Nadim International Airport (BTH) located 15.7 NM away.

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Fleet Compatibility & Ground Roll

Primary Runway: 13,123 ft (4,000 m)

Singapore Changi Airport's active flight strips comprise 02C/20C (13,123 ft), 02R/20L (13,123 ft), 02L/20R (13,123 ft). With a longest active threshold of 13,123 ft (4,000 m), the aerodrome satisfies unrestricted long-haul takeoff and landing distance requirements for heavy twin-aisle and four-engine widebodies (ICAO Code 4E/4F).

🛫 Physical Runway Inventory & Surface Engineering

Runway Designator	Length (ft / m)	Width (ft / m)	Surface Material	Lighting	Status
02C/20C	13,123 ft (4000m)	197 ft (60m)	`Permanent Paved (PEM)`	✅ Lighted	✅ Active
02R/20L	13,123 ft (4000m)	197 ft (60m)	`Asphalt (ASP)`	✅ Lighted	⛔ Closed
02L/20R	13,123 ft (4000m)	197 ft (60m)	`Permanent Paved (PEM)`	✅ 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
Hang Nadim International Airport (Batam)	`BTH`	15.7 NM (29.1 km)	13,218 ft	✅ Lighted
Senai International Airport (Johor Bahru)	`JHB`	26.1 NM (48.3 km)	12,467 ft	✅ Lighted

🛡️ Data Provenance & Verification Metadata

Source Dataset: OurAirports Open Aviation Database

Snapshot Version: 2026-09-01

Dataset Integrity: Cryptographic SHA-256 Checksum Verified & Fail-Closed Schema Inspected

Source Verification: Source-reported registry data

Read Complete Methodology & Verification Protocol → GET /api/airport/sin.json ↗