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Final Approach Guidance System (FAS)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: fas.ttl
- Name
finalApproachGuideSystem- Datatype
- Enumeration
- Definition
- The equipment, component, or service used by the aircraft to aid in safe lateral and vertical navigation along the final approach segment.
- Accepted
- 2013-10-18
- Defined by
- NFDD
- Values
- FAS_1 Air Route Surveillance Radar (ARSR)
- FAS_10 Instrument Guidance System (IGS)
- FAS_11 Instrument Landing System (ILS)
- FAS_12 Instrument Landing System (ILS) using a Precision Runway Monitor (PRM)
- FAS_13 Instrument Landing System (ILS) with Distance Measuring Equipment (DME)
- FAS_14 Lateral Navigation (LNAV)
- FAS_15 Lateral Navigation with Vertical Navigation (LNAV/VNAV)
- FAS_16 Localizer
- FAS_17 Localizer Back Course
- FAS_18 Localizer Performance (LP)
- FAS_19 Localizer Performance with Vertical Guidance (LPV)
- FAS_2 Airborne Radar Approach (ARA)
- FAS_20 Localizer-type Directional Aid (LDA)
- FAS_21 Localizer-type Directional Aid (LDA) with Distance Measuring Equipment (DME)
- FAS_22 Localizer with Distance Measuring Equipment (DME)
- FAS_23 Localizer with Distance Measuring Equipment (DME) Back Course
- FAS_24 Microwave Landing System (MLS)
- FAS_25 Microwave Landing System (MLS) with Distance Measuring Equipment (DME)
- FAS_26 Non-Directional Beacon (NDB)
- FAS_27 Non-Directional Beacon (NDB) with Distance Measuring Equipment (DME)
- FAS_28 Precision Approach Radar (PAR)
- FAS_29 Required Navigation Performance (RNP)
- FAS_3 Airport Surveillance Radar (ASR)
- FAS_30 Satellite Based Augmentation System (SBAS)
- FAS_31 Simplified Directional Facility (SDF)
- FAS_32 Special Aircraft and Aircrew Approval Required (SAAAR)
- FAS_33 Transponder Landing System (TLS)
- FAS_34 UHF Tactical Air Navigation (TACAN) Beacon
- FAS_35 Vertical Navigation (VNAV)
- FAS_36 VHF Omnidirectional Radio (VOR)
- FAS_37 VHF Omnidirectional Radio (VOR) with Distance Measuring Equipment (DME)
- FAS_38 VHF Omnidirectional Radio (VOR) with UHF Tactical Air Navigation (TACAN) Beacon
- FAS_39 Visual
- FAS_4 Area Navigation (RNAV)
- FAS_5 Area Navigation (RNAV) to Instrument Landing System (ILS)
- FAS_6 Distance Measuring Equipment (DME)
- FAS_7 Distance Measuring Equipment (DME) with Distance Measuring Equipment (DME)
- FAS_8 Global Navigation Satellite System (GNSS)
- FAS_9 Global Positioning System (GPS)
- Used by
- GA280 Final Approach Segment (FAS)
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.