72A: RADIO ALTIMETER INTERFERENCE DUE TO 5G OPERATIONS

Question 1

RADIO ALTIMETER INTERFERENCE DUE TO 5G OPERATIONS
Reason for issue: This notice is being issued to highlight Impact of

Answer 1

5G Telecom Network interference on Aircraft Operations along with recommended mitigation measures.

Question 2

RADIO ALTIMETER
INTERFERENCE DUE TO 5G OPERATIONS
Possible faults: Partial or complete loss of

Answer 2

RA data leading to RA failure indications or erroneous RA values not detected by the system.

Question 3

RADIO ALTIMETER
INTERFERENCE DUE TO 5G OPERATIONS
Operational Recommendations:
In case an airfield is affected by 5G interference, ___ will be issued.

Answer 3

NOTAM

Question 4

RADIO ALTIMETER
INTERFERENCE DUE TO 5G OPERATIONS
Operational Recommendations:
CAT 1 SA, CAT 2 SA, CAT 2, CAT 3, RNP AR, Auto-Land operations are prohibited at airfields with interference reported.
ILS CAT 1, RNAV-GNSS, NPA approaches can be flown using the normal Airbus SOP down to

Answer 4

DA/MDA followed by a manual landing.

Question 5

RADIO ALTIMETER
INTERFERENCE DUE TO 5G OPERATIONS
Operational
Recommendations:
Below 2500 ft AGL, Radio altimeter values should be monitored with reference to the Barometric altitude. Any abnormal deviation may indicate Radio Altimeter Interference and PM to pay specific emphasis to RADALT indications. In case of any abnormality noted, attention of PF to be drawn immediately. In such a case:

Answer 5

• Disconnect AP and FD, and continue the approach using raw data or external visual references.
• Else, discontinue the approach, and attempt a second approach without AP/FD.