No. 2
APPENDIX 1. INSTRUCTIONS FOR AIR-REPORTING
BY VOICE COMMUNICATIONS
1.
Reporting instructions
2.
Special air-report of volcanic activity form (Model VAR)
3.
Examples
PANS-RAC (Doc 4444) A1-1
1. Reporting instructions
MODEL AIREP/AIREP SPECIAL
ITEM PARAMETER TRANSMIT IN TELEPHONY as appropriate
— Message-type designator: . routine air-report . special air-report [AIREP] [AIREP] SPECIAL
Section 1 1 Aircraft identification (aircraft identification)
2 Position POSITION (latitude and longitude) OVER (significant point) ABEAM (significant point) (significant point) (bearing) (distance)
3 Time (time)
4 Flight level or altitude FLIGHT LEVEL (number) or (number) METRES or FEET CLIMBING TO FLIGHT LEVEL (number) or (number) METRES or FEET DESCENDING TO FLIGHT LEVEL (number) or (number) METRES or FEET
5 Next position and estimated time over (position) (time)
6 Ensuing significant point (position) NEXT
Section 2 7 Estimated time of arrival (aerodrome) (time)
8 Endurance ENDURANCE (hours and minutes)
Section 3 9 Air temperature TEMPERATURE PLUS (degrees Celsius) TEMPERATURE MINUS (degrees Celsius)
10 Wind direction WIND (number) DEGREES or CALM
11 Wind speed (number) KILOMETRES PER HOUR or KNOTS
12 Turbulence TURBULENCE LIGHT TURBULENCE MODERATE TURBULENCE SEVERE
13 Aircraft icing ICING LIGHT ICING MODERATE ICING SEVERE
14 Humidity (if available) HUMIDITY (per cent)
15 Phenomenon encountered or observed, prompting a special air-report: . Severe turbulence . Severe icing . Severe mountainwave . Thunderstorms without hail . Thunderstorms with hail . Heavy dust/sandstorm . Volcanic ash cloud . Pre-eruption volcanic activity or volcanic eruption SST: . Moderate turbulence . Hail . Cumulonimbus clouds TURBULENCE SEVERE ICING SEVERE MOUNTAINWAVE SEVERE THUNDERSTORMS THUNDERSTORMS WITH HAIL DUSTSTORM or SANDSTORM HEAVY VOLCANIC ASH CLOUD PRE-ERUPTION VOLCANIC ACTIVITY or VOLCANIC ERUPTION TURBULENCE MODERATE HAIL CB CLOUDS
No. 1
1. Routine air-reports
1.1 Section 1 is obligatory, although Items 5 and 6 thereof may be omitted when prescribed in Regional Supplementary Procedures; Section 2 shall be added, in whole or in part, only when so requested by the operator or his designated representative, or when deemed necessary by the pilot-in-command; Section 3 shall be added in accordance with Annex 3 and the Regional Supplementary Procedures, Part 3 — Meteorology.
1.2 Section 3 shall include all Items 9 to 13 and Item 14, if available.
2. Special air-reports
2.1 Special air-reports shall be made whenever any of the phenomena listed under Item 15 are observed or encountered. Items 1 to 4 of Section 1 and the appropriate phenomenon specified in Section 3, Item 15, are required from all aircraft. The phenomena listed under “SST” shall be reported only by supersonic transport at transonic and supersonic cruising levels.
2.2 In the case of special air-reports containing information on volcanic activity, a post-flight report shall be made on the volcanic activity reporting form (Model VAR). All elements which are observed shall be recorded and indicated respectively in the appropriate places on the form Model VAR.
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