AO-0505-A — Improve Low Visibility Operation using GBAS Cat II/III based on GPS L1

Use GBAS Cat II/III based on GPS L1 for precision approaches

Rationale: The main benefit is the increased runway capacity in poor weather conditions as the glide path and azimuth signals will face hardly any interference from previous landing aircraft or other obstacles.
More sustained accuracy in aircraft guidance on final approach.
Forecast V3 end date: -
Benefits start date (IOC): 31-12-2025
Full benefits date (FOC): 31-12-2035
Current Maturity Level: V3 finalised
Solution Data Quality Index: -
Current Maturity Phase: R&D
Scope: Local
Release: R4
PCP Status: -

Timeline Table

	Code	Title	Analysis
10	A/C-02a	Enhanced positioning using GBAS single frequency	Analysis
10	A/C-56a	Flight management and guidance for Precision Approach GBAS CATII/III using GPS L1	Analysis
10	CTE-N01	GPS L1/L5	Analysis
10	CTE-N07	Ground Based Augmentation System (GBAS)	Analysis
10	CTE-N07b	GBAS Cat II/III based on Single-Constellation / Single-Frequency GNSS (GPS L1)	Analysis
20	CTE-N03	GLONASS-K	Analysis
20	CTE-N04	BEIDOU B1/B5	Analysis

Relationship	Code	Title	Related Elements
10 Has successor	AO-0505-B	Improve Low Visibility Operation using GBAS Cat II/III based on dual GNSS

Code	Title	Program	Related Elements	Analysis
#55	Precision approaches using GBAS CATII/III	SESAR1		Analysis

Code	Title	Related Elements
NAV11.2	Implement precision approach procedures using GBAS CAT II/III based on GPS L1 and/or GALILEO E1
NAV11	Implement precision approach procedures using GBAS CAT II/III based on GPS L1

Designator	Title	Related Elements
B1
B1-APTA	Optimised Airport Accessibility

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