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Aerodrome Approach Lighting System Type (RLS)

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

RDF: rls.ttl

Name

aerodromeAppLightSysType

Datatype

Enumeration

Definition

The type of aerodrome lighting system providing visual guidance during the final segment leg of an approach procedure.

Accepted

2013-10-18

Defined by

DFDD

Values

• RLS_1 Approach Lighting with Sequenced Flashing Lights (ALSF) Category 1
• RLS_10 Calvert I (British)
• RLS_11 NATO Standard
• RLS_12 Medium-intensity Approach Lighting System (MALS)
• RLS_13 Low-intensity Approach Lighting System
• RLS_14 High Intensity Approach Lighting (HIAL) System Category I
• RLS_15 High Intensity Approach Lighting (HIAL) System Category II
• RLS_16 Lead-in-light System
• RLS_17 Air Force Overrun
• RLS_18 Former NATO Standard
• RLS_19 Single Row Centreline
• RLS_2 Short Approach Lighting System (SALS) with Sequenced Flashing Lights
• RLS_20 Left Single Row
• RLS_21 Two Parallel Row
• RLS_22 Narrow Multi-cross
• RLS_23 Cross
• RLS_3 Short Approach Lighting System (SALS)
• RLS_4 Approach Lighting with Sequenced Flashing Lights (ALSF) Category 2
• RLS_5 Short Simplified Approach Lighting (SSAL) System with Runway Alignment Indicator Lights (RAIL)
• RLS_6 Medium-intensity Approach Lighting System (MALS) with Runway Alignment Indicator Lights (RAIL)
• RLS_7 Medium-intensity Approach Lighting System (MALS) with Sequenced Flashing Lights
• RLS_8 Omnidirectional Approach Lighting System (ODALS)
• RLS_9 Runway Alignment Indicator Lights (RAIL)

Used by

• GB485 Approach Lighting System

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