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Approach Type (IAT)
DGIF baseline 2026-1, the latest. Earlier baselines: timemap.
RDF: iat.ttl
- Name
approachType- Datatype
- Enumeration
- Definition
- The type of an Instrument Approach Procedure (IAP) based on the navigation equipment required.
- Description
- This will also form part of the procedure name.
- Accepted
- 2013-10-18
- Defined by
- DFDD
- Values
- IAT_1 Airport Surveillance Radar (ASR)
- IAT_10 Localizer
- IAT_11 Localizer Back Course
- IAT_12 Localizer with Distance Measuring Equipment (DME)
- IAT_13 Localizer with Distance Measuring Equipment (DME) Back Course
- IAT_14 Microwave Landing System (MLS)
- IAT_15 Microwave Landing System (MLS) with Distance Measuring Equipment (DME)
- IAT_16 Non-Directional Beacon (NDB)
- IAT_17 Non-Directional Beacon (NDB) with Distance Measuring Equipment (DME)
- IAT_18 Simplified Directional Facility (SDF)
- IAT_19 Transponder Landing System (TLS)
- IAT_2 Airborne Radar Approach (ARA)
- IAT_20 VHF Omnidirectional Radio (VOR)
- IAT_21 VHF Omnidirectional Radio (VOR) with Distance Measuring Equipment (DME)
- IAT_22 UHF Tactical Air Navigation (TACAN) Beacon
- IAT_23 VHF Omnidirectional Radio (VOR) with UHF Tactical Air Navigation (TACAN) Beacon
- IAT_24 Distance Measuring Equipment (DME)
- IAT_25 Distance Measuring Equipment (DME) with Distance Measuring Equipment (DME)
- IAT_26 Required Navigation Performance (RNP)
- IAT_27 Global Positioning System (GPS)
- IAT_28 Global Navigation Satellite System (GNSS)
- IAT_29 Area Navigation (RNAV)
- IAT_3 Air Route Surveillance Radar (ARSR)
- IAT_30 Instrument Guidance System (IGS)
- IAT_31 Area Navigation (RNAV) to Instrument Landing System (ILS)
- IAT_32 Special Aircraft and Aircrew Approval Required (SAAAR)
- IAT_33 Visual
- IAT_34 Satellite Based Augmentation System (SBAS)
- IAT_4 Precision Approach Radar (PAR)
- IAT_5 Instrument Landing System (ILS)
- IAT_6 Instrument Landing System (ILS) with Distance Measuring Equipment (DME)
- IAT_7 Instrument Landing System (ILS) using a Precision Runway Monitor (PRM)
- IAT_8 Localizer-type Directional Aid (LDA)
- IAT_9 Localizer-type Directional Aid (LDA) with Distance Measuring Equipment (DME)
- Used by
- GA049 Instrument Approach Procedure (IAP)
Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.