Require assistance.

No or negative.

Yes or affirmative.

Require medical assistance.

110 degrees red light on the left wing, 140 degrees white light aft position, 110 degrees amber light on right wing.

110 degrees red light on the left wing, 140 degrees white light forward position, 110 degrees green light on right wind.

110 degrees red light on the left wing, 140 degrees white light aft position, 110 degrees green light on the right wing.

110 degrees white light on the left wing, 140 degrees green light aft position, 110 degrees red light on right wing.

Sectors to be avoided with no ATC service.

Sectors to be flown with no navigation aids.

Sectors to be avoided with no navigation aids.

Sectors to be departed with no ATC service.

27

36

06

09

Heavy

Medium

Light

Super Heavy

Circling the ground signals at least once.

Overflying the ground signals twice on a North-South heading.

Flashing on and off twice the aircraft's landing lights or, if not so equipped, its navigation lights.

Rocking the aircraft's wings.

7500 and select Mode C.

7700 and select Mode A.

7600 and select Mode C.

7700 and select Mode C.

a notice containing information that does NOT qualify for the origination of a NOTAM.

the publication of permanent changes to the information contained in the AIP.

the publication of temporary changes to the AIP by means of special pages.

a notice of the change in any aeronautical service, the timely knowledge of which is essential to crew.

no need of airworthiness program.

operates as required without accident. 

suitable maintenance facilities

 A approved program from carrier state for maintain airworthiness capability.