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High Intensity Approach Lighting (HIAL) System Category I (RLS_14)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: rls_14.ttl
- Name
hialCategory1- Attribute
- RLS Aerodrome Approach Lighting System Type
- Definition
- A high-intensity approach lighting system in an ILS Category I configuration.
- Description
- This system consists of bars of five white variable intensity lights spaced at intervals of 30 metres (100 feet) commencing 90 metres (300 feet) from the runway threshold and extending for a distance of 900 metres (3000 feet) when permitted by the terrain.
- Synonyms
- HIAL Category 1
- Accepted
- 2013-10-18
- Allowed for
- GB485 Approach Lighting System
- RWOI terms naming it
- RWO_01584 HIAL Category I
- RWO_01586 High Intensity Approach Lighting (HIAL) System Category I
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.