Choppy Pilot Logbook
Airport · Costa Rica

Daniel Oduber Quirós International Airport
MRLB / LIR

Runways, frequencies and reference data for Daniel Oduber Quirós International Airport, Liberia. Free to read; the full diagram, charts and AIP text are in the Choppy app.

Source: Costa Rica eAIP, effective 2026-08-06. Page updated 2026-09-18.

ICAO
MRLB
IATA
LIR
Location
Liberia, Costa Rica
Reference point
10°35'36.2"N 85°32'40.1"W
Elevation
272 ft
Magnetic variation
2.0° W
Hours
1200-0600 UTC
Runways
1
Sunrise · Sunset (UTC, today)
— · —
Civil twilight (UTC, today)
— · —

Airport diagram

In the Choppy app

Full diagram with 15 stands, 6 holding points, zoomable and offline. Runways and aprons are shown here; the rest is in the app.

Open MRLB in Choppy

Runways

RunwayLengthWidthSurfaceHeadings
07/252,747 m (9,012 ft)45 m—07 070° T25 250° T

Frequencies

ServiceCallsignFrequencyHours
APP—119.8 MHz—
APP—129.2 MHz—
TWRFRECUENCIA ALTERNA TWR118.8 MHz—
ATIS—127.775 MHz—
AFISFIC COCO RADIO126.8 MHz—
GNDFrecuencia Primaria GND121.7 MHz—

Operational hours

From AIP AD 2.3. Times are as published (usually UTC, with local time in brackets where the AIP gives it).

ServiceHours
AD administration1200-0600 UTC
Customs and immigration1200-0600 UTC
Health and sanitation1200-0600 UTC
AIS briefing office1200-2359 UTC
ATS reporting office (ARO)1200-2359 UTC
MET briefing office1200-0600 UTC
ATSNIL
Fuelling1200-0600 UTC
Handling1200-0600 UTC
SecurityH24
De-icingNIL
Choppy Pro

Everything else about MRLB is in the app

  • Official charts where the AIP publishes them
  • Full AIP AD 2 text for MRLB: hours, handling, fuel, remarks
  • Zoomable airport diagram with taxiways, stands and holding points
  • Offline country packs, updated every AIRAC cycle
  • Your flights at MRLB: every landing here in your logbook, with currency computed automatically

Choppy is a pilot logbook first: the first 100 flights are free, and Pro unlocks charts, diagrams and packs for $2.99/month or $24.99/year.

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Other airports in Costa Rica

All Costa Rica airports →

Frequently asked

How many runways does Daniel Oduber Quirós International Airport (MRLB) have?

MRLB has 1 runway: 07/25. The longest, 07/25, 2,747 m (9,012 ft).

What is the elevation of MRLB?

The aerodrome elevation of Daniel Oduber Quirós International Airport is 272 ft.

What is the tower frequency at MRLB?

Daniel Oduber Quirós International Airport tower (FRECUENCIA ALTERNA TWR) is on 118.8 MHz. Always confirm frequencies against the current AIP or ATIS.

Where can I get the MRLB airport diagram and charts?

The Choppy pilot logbook app shows a zoomable MRLB airport diagram with taxiways, stands and holding points. Diagrams, charts and offline packs are part of Choppy Pro.

Reference only, not for operational use. Verify every figure against the current AIP, NOTAMs and ATIS before flight.