Seiyun Hadhramaut International Airport

Compiled by Bill Gao

Seiyun, Hadhramaut Governorate (Yemen)

IATA: GXF ICAO: OYSY

Longest Active Runway

9,843 ft

3,000 meters

Field Elevation

2,097 ft

639 m MSL

Runway Inventory

1 active

Unlighted / Paved

Coordinates & Class

15.9659°, 48.7881°

LARGE AIRPORT

🏆

Multi-Universe Rankings & Statistical Standing

How ranks work →

RunwayFacts Published Dataset

tied #603 of 650

In curated primary commercial index

Global Commercial Universe

#1,114 of 7558

Top 15.9% percentile worldwide

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

National Standing (Yemen)

tied #3 of 4 in YE

same length as RIY · #7 of 13 in full national registry

vs Large Airport Median

-1.6%

Compared to 10,000 ft baseline

💡 GXF in numbers: 9,843 ft longest runway · tied #603 of 650 published · #1,114 of 7,558 worldwide (top 15.9%) · tied #3 in Yemen.

🔬 Operational & Aerodrome Engineering Comparative Analysis

Longest runway 8,000–10,499 ft

⛰️

Elevation & National Context

Mid-Altitude Aerodrome (2,000–4,999 ft)

GXF lies at 639 m (2,097 ft), #123 of 650 published airports by elevation and 81 percentile among 7,558 worldwide. It is 1,021 ft above the Yemen median (1,076 ft, 4 airports); SAH is highest at 7,216 ft, 5,119 ft higher than GXF.

🧭

Regional Density & Alternates (100 NM)

1 Qualifying Aerodrome in Vicinity

Closest of 1 paved-runway (≥5,000 ft) neighbour within 100 NM: Riyan International Airport (RIY), 85.3 NM, 9,843 ft. GXF ties with RIY for the longest runway in this radius (9,843 ft).

✈️

Runway Inventory & National Standing

Primary Runway: 9,843 ft (3,000 m)

GXF runway: 07/25 9,843 × 120 ft asphalt (asp). National standing: tied #3 of 4 in Yemen with RIY at 9,843 ft; SAH leads by 826 ft (10,669 ft). −1.6% vs the 10,000 ft baseline.

🛫 Physical Runway Inventory & Surface Engineering

Runway Designator	Length (ft / m)	Width (ft / m)	Surface Material	Lighting	Status
07/25	9,843 ft (3000 m / 3.000 km)	120 ft (37m)	`Asphalt (ASP)`	❌ Unlighted	✅ 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
Riyan International Airport (Mukalla(Riyan))	`RIY`	85.3 NM (158 km)	9,843 ft	✅ Lighted

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