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Area Minimum Altitude (ATY_13)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: aty_13.ttl

Name

areaMinimumAltitude

Attribute

ATY Airspace Type

Definition

The lowest altitude to be used under instrument meteorological conditions (IMC) which will provide a minimum vertical clearance of 300 metres (1000 feet) or in designated mountainous terrain 600 metres (2000 feet) above all obstacles located in the area specified.

Description

Published by many States as rectangles of 1 x 1 degree on the ENR 6 charts. Note that in the exact calculation 984 feet can be used as an equivalent to 300 metres. Recognized by ICAO.

Accepted

2013-10-18

Allowed for

• GA005 Airspace

RWOI terms naming it

• RWO_04772 Area Minimum Altitude Airspace

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.