---
title: "CAT.POL.A.425 Landing – destination and alternate aerodromes — Part-CAT · Avioverse"
description: "The landing mass of the aeroplane determined in accordance with CAT.POL.A.105(a) shall not exceed the maximum landing mass specified in the AFM for the…"
url: "https://avioverse.aero/regulations/easa/air-ops/part-cat/subpart-c/cat-pol-a-425"
---

# CAT.POL.A.425 Landing – destination and alternate aerodromes

ANNEX IV (Part-CAT) · Regulation (EU) No 965/2012 · EAR revision 27 Mar 2026

IR Implementing rule

## CAT.POL.A.425 Landing – destination and alternate aerodromes

The landing mass of the [aeroplane](https://avioverse.aero/glossary/easa/aeroplane) determined in accordance with CAT.POL.A.105(a) shall not exceed the maximum landing mass specified in the AFM for the altitude and, if accounted for in the AFM, the ambient temperature expected for the estimated time of landing at the destination aerodrome and [alternate aerodrome](https://avioverse.aero/glossary/easa/alternate-aerodrome).

IR · CAT.POL.A.425 — Regulation (EU) No 965/2012 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

AMC Acceptable means of compliance

## AMC1 CAT.POL.A.425 Landing – destination and alternate aerodromes

ALTITUDE MEASURING

The operator should use either pressure altitude or geometric altitude for its operation and this should be reflected in the operations manual.

AMC · AMC1 CAT.POL.A.425 — Regulation (EU) No 965/2012 · ED Decision 2014/015/R · Air OPS Easy Access Rules · EAR revision 27 Mar 2026

[All rules in SUBPART C: AIRCRAFT PERFORMANCE AND OPERATING LIMITATIONS](https://avioverse.aero/regulations/easa/air-ops/part-cat/subpart-c)

Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.