Managed NPA and system failure Flashcards
RNAV (GNSS) approachGPS PRIMARY LOST on both NDs
Go visual / Go-around
RNAV (GNSS) approachNAV ACCUR DOWNGRAD on 1 FMGS
Use AP/FD on remaining side
RNAV (GNSS) approachXTK > 0.3 NM
Go visual / Go-around
RNAV (GNSS) approachNAV ACCUR DOWNGRAD on both FMGS
Go visual / Go-around
RNAV(GNSS) approachGPS PRIMARY LOST on 1 ND
Use AP/FD on remaining side
RNAV (GNSS) approachNAV FM/GPS POS DISAGREE on ECAM
Go visual / Go-around
NPA approachNAV ACCURACY LOW
HDG Pull, use TRK FPA for approach
Acceptable tolerance on lateral and vertical profile between MCDU and chart on FINAL APP
• Lateral track:- 1° for RNAV/GPS- 3° for Radio NAVAID • Vertical path: 0.1°
Acceptable tolerance on lateral and vertical profile between MCDU and chart on NAV FPA
• Lateral track:- 1° for RNAV/GPS- 3° for Radio NAVAID
RNAV (GNSS) approachCrosstrack error tolerance on approach
• 0.1 NM Call from PM• 0.3 NM Go visual / Go-around
RNAV (GNSS) approach using LNAV/VNAV minimaV/DEV > 3/4 dot
Go visual / Go-around
RNAV (GNSS) approach using LNAV/VNAV minimaVertical error tolerance on approach
• 1/2 dot Call from PM• 3/4 dot Go visual / Go-around