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MRLB

LIR

Guanacaste Airport · Liberia

Key Facts

Technical summary and operational standards.

ILS Approach StatusILS FREQUENCIES VERIFIED ✅

Field Elevation

270 ft / 82 m

Transition Altitude

18,000 ft

Primary Channel

TWR 118.80 MHz (LIBERIA TWR)

Runway Summary

07/259,022 ftAsphaltLIGHTED

Details Runways Frequencies Navaids Nearby

Mission Briefing & Tools

Direct calculators and pre-filled resources for this airport.

SkyVector FlightAware Live METAR Satellite

Less math, more flying. Did this save your approach? 🛬

Briefing for Guanacaste Airport (MRLB), Costa Rica. This facility features 1 active runways with an elevation of 270 ft. Verified ILS frequencies are available for precision approaches.Maintain a Transition Altitude of 18,000 ft for altimeter reset.

Airport Details

Full geographical and organizational metadata.

Full Name

Guanacaste Airport

ICAO / IATA

MRLB / LIR

Municipality

Liberia

Country

Region

CR-G

GPS Coordinates

10.593300, -85.544403

Transition Altitude

18,000 ft

Official Website

—

Wikipedia

Runways & ILS Approach Data

Detailed dimensions and verified landing frequencies.

Runway 07 / 25

ILSLIGHTED

Crosswind 07 Crosswind 25 TOD VDP

Length: 9,022 ft / 2,750 m
Surface: Asphalt
Heading: 70° / 250°

RWY 07

108.90 MHz

ID: I-LIR | CRS: 74°

RWY 25

No ILS

Nearby Navaids

VOR, NDB, DME stations in the vicinity.

LIB · VOR-DME (Liberia)112,800 kHz

270 ft · Associated: MRLB
10.593300, -85.546700

Communication Frequencies

ATC and advisory channels.

APP LIBERIA APP

119.80 MHz

GND GND

121.70 MHz

RDO COCO RDO

126.80 MHz

TWR LIBERIA TWR

118.80 MHz

Nearby Airports

Alternatives in the vicinity.

(Mislocated duplicate of MRLB) LIR

Los Chiles Airport

Juan Santamaría International Airport

Data Source: OurAirports · Technical Briefing Jan 2026
ILS Data Source: AIP / FAA NASR Cycle Verified