RNAV Limitations

Question 1

Maximum acceptable difference on vertical path between charts and MCDU

Answer 1

0.1 degrees

Question 2

Maximum acceptable difference on lateral path between charts and MCDU

Answer 2

1 degree or 3 degrees if it is based on a Navaid approach

Question 3

Minimum RNP Approach equipment

Answer 3

1 FMGC, 1 GPS, 2 IRS, 1 MCDU, 1 FD, 1 PFD on PF side, 2 NDs, 2 FCU channels

Question 4

Minimum RNP accuracy

Answer 4

En route: 1 Nm
Terminal Area: 0.5 Nm
Approach: 0.3 Nm

Question 5

What is the limit to accept a direct to in an RNAV/RNP approach?

Answer 5

We must be established on final track at least 2Nm before the FAF

Question 6

Is a Direct to FAF instruction allowed?

Answer 6

No, we can receive direct to IAF or IF but we need to be established on final course at least 2Nm before the FAF

Question 7

Maximum Vertical deviation for a VNAV Approach

Answer 7

+-75ft

Question 8

Maximum Lateral Deviation for an LNAV or VNAV Approach

Answer 8

0.3Nm