Supplementary Procedures - PRO-SUP-34 Navigation

Question 1

035- Where to Find the Altitude Tolerance Between PFDs and STBY Alti?

What are the Values?

PRO-SUP-34 P3

Answer 1

SUPPLEMENTARY PROCEDURES

(Navigation)

(Flight Instrument Tolerances)

On Ground:

• PFD 1 or 2 at Ground Check: +/- 25 Ft
• Standby Alti. at Ground Check: +/- 300 Ft

(Standby Alti. is Not Excited on Ground)

• PFD to Airport Elevation at Ground Check: +/- 75 Ft

InFlight:

Refer to Tables PRO-SUP-34 P4.

Question 2

036- Where to Find the Speed Tolerance Between ADRs?

PRO-SUP-34 P5

Answer 2

SUPPLEMENTARY PROCEDURES

(Navigation)

(Flight Instrument Tolerances)

InFlight:

Refer to Tables PRO-SUP-34 P5.

Question 3

037- When the IRS Alignment must be Performed?

PRO-SUP-34 P6

Answer 3

Complete Alignment is Required:

• Before the First Flight of the Day
• When there is a Crew Change
• When NO GPS Avl and NAVAIDS En-Route Coverage is

Poor or Expected Flight Time is > 3 H

Fast Alignment is Required When:

• Deviation of IRS Pos. from the FMGC Pos. is ≥ 5 NM

DO NOT ALIGN IRS During ENG Start or With ENG Running.

Question 4

038- What happen when the Flight Crew Enters or Modifies the Origin Airport (FROM) or the CO RTE in the MCDU in relation to the Coordinates?

PRO-SUP-34 P7

Answer 4

• The MCDU INIT Coordinates are Reset to the Airport

Reference Point (ARP)

• They can be Manually Modified After that.