airport-cdm-manual-2017 (1)

ATTACHMENT 17
Airport CDM adverse Objectives conditions & Key Performance – impact assessment, Indicatorsprocesses, and best practices
D. Process for milestone: Commencement of apron/remote aircraft de-icing
This Process is highly recommended
Objective
First step: Inform all relevant airport CDM partners of the actual commencement of de-icing time (ACZT) in the
airport CDM platform.
ACZT
Update Airport CDM platform
Inform all partners
ACZT
Generate T-DPI message
Send to Network Operations
Second step: Check whether ACZT is in accordance with estimated commencement of de-icing time (ECZT)
and alert all relevant airport CDM partners if de-icing has not started according to plan.
ACZT
ECZT
ECZT-TOLERANCE CHECK
is ACTZ recorded at
ECZT + tolerance value?
Tolerance value of + 5 minutes
for example
✗
✓
NO
YESg Do nothing
Generate
alert
message
Inform partners
Update planning
Description
Inform airport partners and Network Operations of
ACZT when it occurs. In case commence of de-icing
is not started at ECZT + tolerance, all relevant partner
should be informed, and the de-icing sequence
planning updated. Relevant partners are initially the
handling agent, Airline operator, and ATC.
Trigger
ACZT: Automated input from de-icing coordinator or
vehicle
ECZT + tolerance value passed
Pre-condition
Actual off-block time recorded
Taxi clearance recorded
Weather conditions set to winter conditions
Flight crew de-icing request recorded
Input
ACZT and ECZT
Process
A7-57