Flight Phase	Operational Concept	Target Date	Current Situation	Required Performance	Enabling Systems	EASA Certification Document
En-Route	RNAV 5 (B-RNAV)	1998	Mandatory	+/- 5 NM (95%)	VOR/DME/ GPS/INS/ Loran	AMC 20-4
Arrival / Departure	RNAV 1 (P- RNAV)	2006+	Implementation	+/- 1 NM (95%)	DME/GPS	AMC 20-16 (JAA TGL10)
Approach / Landing	RNP APCH	2006	Implementation	+/- 0.3 NM (95%)	GPS	AMC 20-27
	RNP AR APCH	Individual Implementation	Implementation	Depends on required accuracy <0.3 NM  (95%)	GPS	AMC 20-26
	APV Baro	2008	Implementation	+/- 0.3 NM  (95%)	GPS/Baro	AMC 20-27
	APV SBAS	2010	Implementation	HAL +/- 40m (10-7) VAL +/- 50m (10-7)	GPS + EGNOS (SBAS)	AMC 20-28
	GBAS Cat I	2008 - 2015	Concept	ICAO SARPs	GPS + GBAS	TBD
	GBAS Cat II/III	2012 - 2015	Concept	TBD	GPS + GBAS	TBD

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