afi met bulletins exchange (ambex) handbook - ICAO

AMBEX HANDBOOK 7th Ed. 23/58
7. SPECIAL AIREP EXCHANGE
7.1 The meteorological watch offices (MWO) are responsible for collection through their
associated ATS units of special air reports (AIREP SPECIAL) received from aircrafts within their FIR or
CTA.
Note: – Routine air-reports received by data-link communications should be relayed directly to the
WAFCS by the ATS unit.
7.2 MWOs should collect all special air-reports and prepare one-hour collectives in the form
of a UA bulletin for transmission to the responsible AMBEX centre at the time specified by the AMBEX
centre.
Notes: 1) The transmission of air-reports to the WAFCs as required by Annex 3 should be
arranged by the meteorological authorities concerned.
2) MWOs should follow the special requirements for the dissemination of special airreports
as defined by Annex 3,
7.3 AFI FASID Table 2B describes the exchange of SIGMET and special AIREP reports
procedures.