AirportLookupSim Database

Reference only — not for real-world navigation.

RKSS

Gimpo International Airport · Seoul

Key Facts

Essential technical summary for MSFS 2020/2024 and X-Plane.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅

Field Elevation

59 ft / 18 m

Transition Altitude

14,000 ft

Primary Channel

TWR 118.10 MHz (TWR)

Live Conversion

inHg

hPa

Details Runways Frequencies Navaids Nearby

Runway Summary (Quick-Links)

14L/32R · 11,811 ft · AsphaltLIGHTED 14R/32L · 10,499 ft · AsphaltLIGHTED

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Welcome to the technical flight briefing for Gimpo International Airport (RKSS), located in Seoul, South Korea. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 2 active runways with a maximum elevation of 59 ft. Instrument approaches (IFR) are supported with verified ILS frequencies and identifiers for precision landings.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 14,000 ft verified for this field for altimeter reset procedures.

Airport Details

Full geographical and organizational metadata.

Full Name

Gimpo International Airport

ICAO / IATA

RKSS / GMP

Municipality

Seoul

Country

KR — South Korea

Region

KR-11 — Seoul-teukbyeolsi (Seoul Special City)

GPS Coordinates

📍 37.558300, 126.791000 🗺️

Transition Altitude

14,000 ft

Elevation

59 ft

Official Website

Wikipedia

Pilot Toolbox

External charts, live tracking and weather reports.

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Runways & ILS Approach Data

Detailed dimensions and instrument landing frequencies.

Runway 14L / 32R

ILS EQUIPPEDLIGHTED

Runway Length: 11,811 ft / 3,600 m
Runway Width: 148 ft / 45 m
Surface Type: Asphalt
Heading: 135° / 315°

RWY 14L (135°)

109.90 MHz

IDENT: I-GML | CRS: 142°

RWY 32R (315°)

109.90 MHz

IDENT: I-GMP | CRS: 322°

Runway 14R / 32L

ILS EQUIPPEDLIGHTED

Runway Length: 10,499 ft / 3,200 m
Runway Width: 197 ft / 60 m
Surface Type: Asphalt
Heading: 135° / 315°

RWY 14R (135°)

110.70 MHz

IDENT: I-GMS | CRS: 142°

RWY 32L (315°)

110.70 MHz

IDENT: I-GMR | CRS: 322°

Nearby Navaids

Ground-based navigation aids (VOR, NDB, DME) in the vicinity or associated with this airport.

SWN · TACAN (Suwon)108,500 kHz

37.239899, 127.000999 · 86 ft

KIP · VOR-DME (Gimpo)113,600 kHz

37.557499, 126.792000 · 49 ft

YJU · VOR-DME (Yangju)114,900 kHz

37.748001, 126.987999 · 1,368 ft

SEL · VORTAC (Anyang)115,500 kHz

37.413898, 126.929001 · 900 ft

SOL · TACAN (Seoul)110,900 kHz

37.428799, 127.105003 · 133 ft

KSM · VOR-DME (Seoul)113,000 kHz

37.435200, 127.110001 · 82 ft

NCN · VOR-DME (Incheon)113,800 kHz

37.494900, 126.430000 · 23 ft

Communication Frequencies

Air traffic control and advisory channels.

A/G SEOUL RDO

127.10 MHz

A/G SEOUL RDO

1330.30 MHz

ACP BRICKWALL

120.00 MHz

APP SEOUL APP

120.80 MHz

ATIS ATIS

126.40 MHz

CLD CLNC DEL

122.60 MHz

DEP SEOUL DEP

125.15 MHz

GND GND

121.90 MHz

TWR TWR

118.10 MHz

Nearby Airports

Alternative airports in the vicinity (km & nm).

Seoul Air Base (K-16)

Incheon International Airport

Camp Humphreys (A-511) Desiderio Army Airfield

Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026