7754 Vol 2 Flyleaf - ICAO Public Maps

VI-A1
Attachment
PROVISIONS REGARDING THE METEOROLOGICAL
OPERATIONAL TELECOMMUNICATION
NETWORK — EUROPE (MOTNE)
(Paragraphs 4 and 20, Part VI — MET refer)
1. The MOTNE system is provided for the exchange
of operational meteorological information needed by
meteorological offices, VOLMET broadcast stations, air
traffic services units, operators and other aeronautical users.
2. The time group should be deleted from METAR
reports transmitted on MOTNE circuits except when the
time of observation differs by more than 10 minutes from
the time in the bulletin heading.
3. QNH values should be included in routine reports
transmitted on the MOTNE.
4. The period of validity for 9-hour TAF
disseminated on the MOTNE should be:
a) for MOTNE areas AL, AW, EE, EG, EN, FR, IS, IY,
MP, ME and TU: 00-09, 03-12, 06-15, 09-18, 12-21,
15-24, 18-03, 21-06;
b) for MOTNE areas AB, BX, CY, DL, EM, EW, GR, IE,
MC, NL, OS, SW, TS, UK and YG: 01-10, 04-13,
07-16, 10-19, 13-22, 16-01, 19-04, 22-07.
5. SIGMET and special air report information
should be disseminated on the MOTNE.
6. New requirements for the dissemination of TAFs
and METARs on a regular basis should be processed in
accordance with the established procedures for amendment
of the Regional Plan and taking into account the following
criteria:
a) the aerodrome is included in Table AOP;
b) the aerodrome is a destination or planned alternate for
at least 21 international flights per week;
c) the METARs and TAFs are required routinely in at
least four EUR States*;
d) the METARs are issued hourly or half-hourly in
accordance with the regional procedures applicable to
the FIR in which the aerodrome is located.
Any derogations from these criteria in special cases should
be fully justified.
* If a State can show that it has to provide at least four States
in the MOTNE area routinely with a METAR or TAF
bulletin, this should be considered as adequate justification
for proposing the inclusion of the bulletin(s) concerned in the
MOTNE programme.