Standard Deicing Setup, Revision 06 vom 24.08.2014 www.leipzig-halle-airport.de
Aircraft De-icing at Leipzig/Halle Airport - Standard De-Icing Setup -
Titel des Dokuments
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Beginning of Validity
These procedures govern the de-icing of aircraft at Leipzig/Halle Airport. They come into force with the
beginning of the winter flight plan.
Leipzig, October 2014
Flughafen Leipzig/Halle GmbH PortGround GmbH
Dierk Näther Jürgen Kötter
Managing Director Station Manager Leipzig
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Contents
Contents 3
Distribution 5
Index of Changes 7
Index of Abbreviations 8
1. General 9
2. Availability of De-icing Resources 10
3. Order of De-icing and Requesting De-icing (see Attachment A - Priorities) 10
4. Engine Start / Taxiing to the De-icing Pad 12
5. OFF – Block – Time 12
6. Taxiing to the de-icing pads DP2, DP3, DP4, DP6, DP7, DP8 or DP9 12
7. Availability, Beginning Work at Stations and Executing De-icing 13
7.1 Availability of De-icing Stations 13
7.2 Beginning Work at De-icing Stations 14
7.3 Executing De-icing 14
8. Taxi Clearance by the Tower LEJ 15
9. Special De-icing Cases 15
9.1 Pre-De-icing 15
9.2 Engine Start Assistance 15
9.3 De-icing of Engine Intakes, Rotor Blades, Landing Gear and Radoms 16
9.4 Cockpit Window 16
9.5 Aircraft with low rotation speeds (small aircraft) 16
9.6 Stopping De-icing 16
9.7 Repeat De-icing 17
10. Note 17
Attachment A: Catalogue Priorities for De-icing 18
Attachment B: Taxiing to the De-icing Pad DP2 and DP4 19
Attachment C: Taxiing to De-icing Pads DP6 and DP7 20
Attachment D: Taxiing to the De-icing Pads DP8 and DP9 21
Attachment E: Use of DP6 When the waiting Area of Ruslan Salis is Occupied. 22
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Attachment F: Use of De-icing Pad DP3 23
Attachment G: De-icing Frequencies 24
Attachment H: Guidelines for Holdover Times 25
Attachment I: Generic table ADF type I 276
Attachment J: Generic table ADF type II 287
Attachment K: brand name table ADF type II 28
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Distribution
Airport Services Leipzig GmbH (ASL)
Felix Redeker, Managing Director
Aviation Supervision at Leipzig/Halle Airport
Frank Witt, Manager
German Air Traffic Control GmbH, Station Leipzig
Jörg Kade, Supervisor Tower LEJ
Tilo Blänsdorf, Supervisor Tower LEJ
DHL Hub Leipzig GmbH
Managing Director
European Air Transport Leipzig GmbH (EAT)
Managing Director
Aero Logic
Managing Director
Ruslan Salis GmbH
Managing Director
World Airways
Station Manager Leipzig/Halle Airport
North American Airlines
Station Manager Leipzig/Halle Airport
Ryan International
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PortGround GmbH, Station Leipzig (PG):
PG-G
PG-G/C
PG-G/Q
PG-LEJ
PG-VÜ
PG-traffic centre
PG-GAT
Leipzig/Halle Airport GmbH (FLHG):
LEJ-G
LEJ-V
LEJ-V/Z
LEJ-T
LEJ-G/U
LEJ-TF
LEJ-TA
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Index of Changes
Passages changed since the last revision are marked with vertical lines on the right margin and/or indicated in
bold print.
Revision number
Revision date Revised by
(name, department)
01
09.10.2009
Lindner, Gerold (PG-LEJ/DI)
02
14.10.2010
Lindner, Gerold (PG-LEJ/DI)
03
14.09.2011
Lindner, Gerold (PG-LEJ/DI)
04
21.08.2012
Lindner, Gerold (PG-LEJ/DI)
05
24.08.2013
Lindner, Gerold (PG-LEJ/DI)
06
24.08.2014
Lindner, Gerold (PG-LEJ/DI)
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Index of Abbreviations
ADF Aircraft De-Icing Fluids
AEA Association of European Airlines
AIP Aeronautical Information Publication (Luftfahrthandbuch Deutschland)
AOC Airline Operator’s Committee
CTOT Calculated Take-off Time
DP De-Icing Pad
EOBT Estimated Off-Block Time
ETD Estimated Time of Departure
FE aircraft de-icing
FIS Airport Information System
GAT General Aviation Terminal
HOT Holdover Time
ISO International Standard Organization
Ktn Knots (physical unit for wind speed)
LEJ 3 Letter Code (IATA) Leipzig/Halle Airport
LFZ Aircraft
RWY Runway
STD Scheduled Time of Departure
TWY Taxiway
VvD Traffic Manager on Duty
VZ Traffic Centre
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1. General
These procedures are the result of discussions and developments of aircraft de-icing at Leipzig/Halle Airport in
recent years and are provided to all airlines and handling partners.
Aircraft de-icing at Leipzig/Halle Airport is conducted by PortGround Leipzig GmbH according to the
Recommendations for De-Icing/Anti-Icing of Aircraft on the Ground 29th Edition, July 2014, AEA
(Association of European Airlines); ISO 11076-11078 and SAE ARP 4737.
Only trained personnel execute aircraft de-icing. Every employee designated for de-icing is thoroughly familiar
with the respectively valid rules and regulations of the subject „ De-/Anti-Icing“.
De-icing fluid: The specifics of aircraft de-Icing fluids (ADF) are established by the International Organization
for Standardization (ISO).
In this season an ISO type I de-icing fluid in pre-mix 50/50 and an ISO type II de-icing fluid for icing
protection from the company Clariant are being used. The fluids Safewing MP I „1938 ECO“ and MP
II „FLIGHT“ that we use have all required specifications for a high quality de-icing or icing
protection. The various holding times and mixing ratios are provided in the tables (see attachment
H to J).
The de-icing fluid MP I 1938 ECO is used for de-icing in a pre-mixed ratio of 50/50 for all aircraft, and
the de-icing fluid MP II FLIGHT is used in the two Step procedure for icing protection. This use is
regulated by the hold over timetables (attachment H to attachment J).
Important Note: When using the icing protection fluid Safewing MPII FLIGHT (ISO type II FLUID), the BRANDNAME SPECIFIC HOT-TABLE is used, which has considerably longer hold over times.
When using the tables, please note that extreme weather conditions such as freezing rain can greatly shorten
the hold over time.
In the German Aviation Manual (AIP) there is a reference to the de-icing pads DP2, DP3, DP4, DP6, DP7, DP8
and DP9 on the map AD 2 EDDP 2-5.
DP3 is located on TWY M at apron 1-east side and is used if the north runway and correspondingly the de-
icing pads DP2 and/or DP4 are not available for use.
De-icing is executed by individuals working with running aircraft engines and with (normally) two de-icing
vehicles and one security vehicle. Engines must generally run in idle during the de-icing procedure, and
propeller aircraft must bring their propellers to a stationary position.
In cases of strong icing or contamination (e.g. by snow) of the entire aircraft, it may be necessary to shut down
all engines.
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2. Availability of De-icing Resources
During the winter season the traffic centre of Leipzig/Halle Airport and the de-icing coordinator on duty
communicate daily concerning the de-icing resources.
Depending on the daily operative flight plan, up to two de-icing pads may be run concurrently with two de-
icing vehicles per pad.
De-icing can be available up to 24 hours around the clock, if necessary (H24).
Briefing
At about 5 p.m. there is a daily coordination conference initiated by the traffic manager on duty (VvD) with
the following participants:
dispatcher aircraft de-icing (FE) Tel.: 0341 224 2180/2181
traffic manager on duty (VvD) Tel.: 0341 224 1130
This conference addresses:
Agreements concerning weather, flight plan peaks, etc.
Time-scheduled availability of de-icing resources (Personnel, vehicles, number of pads operating) provided
by dispatcher FE
The results of this conference are communicated to the tower immediately by the VvD.
De-icing Pads
De-icing for all airlines normally takes place on de-icing pads DP2, DP3, DP4, DP6, DP7, DP8 or DP9 as a
requirement of the environmental authorities. For all airlines handled on apron 4, additional de-icing pads are
provided. The decision which DP is in use is based upon RWY activity (compare procedure for requesting de-
icing).
3. Order of De-icing and Requesting De-icing (see Attachment A -
Priorities)
The tower LEJ establishes the order of de-icing generally based on the „first come - first served“ principle.
To satisfy operative needs of customers, however, a priority catalogue has been established with the
participating parties (AOC) which determines a modified order as needed (traffic peaks). (compare attachment
A – priorities)
Realizing the order of de-icing requires all parties to deliberately and responsibly comply with the procedures
agreed upon and to immediately pass on any information that would result in a change of the de-icing order
(e.g. technical problems, delays in handling, etc.). To keep delays to a minimum, boarding / loading should
commence as soon as possible.
The traffic Centre determines the order of de-icing according to the current flight plan (STD) and the priority
catalogue.
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Internal airline priorities should be agreed upon with the dispatcher FE and the traffic Centre at least 30
minutes prior to ETD.
If radio discussions concerning priority take place, the traffic Centre should always be consulted.
Ambulance and government flights always have a higher priority in the order of de-icing, even if the request
comes at the last moment or if there is a time delay.
According to the German Aviation Manual (AIP) page AD 2 EDDP 1-12:
A request for de-icing must be communicated in a timely manner (60 minutes before the EOBT) to the traffic
Centre of the airport; however, this must be done 15 minutes prior to STD at the latest.
The order of incoming requests does not influence the actual de-icing sequence. This is determined exclusively
by the traffic Centre of the airport.
The criterions of the order of de-icing are the EOBT-times. If there are start-SLOTs (CTOT), this is considered
accordingly in the de-icing sequence. The same is valid for changes in the EOBT/CTOT-time.
The parties involved have created a catalogue determining the order of de-icing.
De-icing is requested at the traffic Centre (Tel. 0341/224-1130)
The traffic Centre passes this information and the order of de-icing on to:
a) the de-icing dispatcher of PG-LEJ and
b) the tower LEJ.
Note:
The traffic Centre enters an “R” in the column „De-icing“ when a de-icing request is made at the AMS.
PortGround GmbH confirms this via the data transfer system, where the “R” is then changed to an “S”. The
confirmation of this request occurs by entering a „2“, „3“, „4“, „6“,“7“,“8“ or „9“, indicating which de-
icing pad will be used.
This occurs under consideration of the direction of takeoff, which is determined by DFS, as well as under
consideration of the availability of de-icing pads, which PortGround reports to the traffic Centre at the
beginning of a shift.
The end of a de-icing procedure is indicated in the AMS by an “E”. If a requested de-icing is no longer
needed, this is indicated by an “X”.
A requested de-icing which is no longer needed or should no longer be conducted must be cancelled as
quickly as possible (resource planning), but at the latest 15 minutes before STD. If this does not happen, an
invoice will be generated billing a de-icing procedure using no de-icing fluid.
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4. Engine Start / Taxiing to the De-icing Pad
The aircraft taxis to the de-icing pad under its own power, but the engines of propeller aircraft without
propeller brakes must be turned off for de-icing (compare point 1).
The engine start time is very important. The tower LEJ aims to keep the engines from running too long while
aircraft are waiting at the de-icing pad.
However, if aircraft desire to be towed to the de-icing pad (e.g. for pre-de-icing), this is a service towing that
will be invoiced according to the price schedule of FLHG/PG-LEJ.
a) Towing with a Tow Bar
The handling agent accompanies the aircraft (radio contact) from taxiing away from the park position to
starting the engines and leaves after de-icing is successfully completed.
b) Towing without a Tow Bar
Service towing (also for push-back) unaccompanied by the handling agent occurs under the condition
that German-speaking crews are present who know that during this time period directives in German will
be used. The handling agent provides the headsets needed.
5. OFF – Block – Time
The tower LEJ provides the OFF-Block-time for the AMS when taxiing away from the park position.
6. Taxiing to the de-icing pads DP2, DP3, DP4, DP6, DP7, DP8 or DP9
Taxiing to de-icing pad DP2, designed for RWY 08L, occurs via TWY W1 and TWY C. Taxiing to runway 08L
occurs alternatively via TWY G1-B and A2, in case the complete runway length is needed, or via TWY C and
TWY A3 (inasmuch as snow conditions permit).
Taxiing to de-icing pad DP3 occurs via the circle TWY N - position 141 - DP3 - TWY M - TWY N. The wingspan
is limited to 52 meters. The use of DP3 requires that taxiing as described is possible (please consider the usage
level of the apron). In addition, the water station must be advised via the dispatcher for aircraft de-icing – this
concerns debris removal. Notification occurs at the following numbers:
Mr. Rühling Tel. 1469 or
Mr. Kostka Tel. 1277 or
Mr. Heinrich Tel. 1560
If they cannot be reached, or on weekends, advise the group LEJ-T/A (technical readiness service) through the
traffic Centre.
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Taxiing to de-icing pad DP4, designed for RWY 26R, occurs via TWY E8 and TWY C; taxiing to runway 26R via
TWY C and A8/A9.
Taxiing to de-icing pad DP6, designed for RWY 08R, occurs via TWY S1 or TWY Y and TWY V. For taxiing to
DP6 use the yellow guiding line (ground light green).
Here the wingspan is limited to 52 meters (e.g. up to an MD11). This procedure may also be used when the
maintenance area is occupied. One must pay attention that the ground light of the guiding line ORANGE
(green/orange oscillating) is not turned on! If necessary, inform the tower LEJ to have the ground light orange
turned off (see attachment E).
For aircraft with a wingspan of more than 52 meters (e.g. B777, B747, AN124):
If the maintenance area is occupied, DP6 may not be used.
If the maintenance area is available, it can be used for LFZ of the category E and F (up to A380). Taxi over
the zig-zag guiding line ORANGE (ground light green/orange oscillating). The ground light of the guiding
line ORANGE must be additionally switched on by the TOWER!
Taxiing to de-icing pad DP7, designed for RWY 08R, occurs via TWY T, TWY S3 and TWY V.
Taxiing to de-icing pad DP8, designed for 08R and also for RWY 26L, occurs via TWY V. De-icing on DP8
presents no hindrance if a LFZ from taxi lanes Z2.1 and Z2.2 wants to taxi west or a LFZ from taxi lanes Z3.1
and Z3.2 wants to taxi east via TWY V (see also attachment D).
Taxiing to de-icing pad DP9, designed for RWY 26L, occurs via TWY V. De-icing on DP9 presents no hindrance
if a LFZ from taxi lanes Z4.1 to Z4.3 wants to taxi via TWY S8 (also see attachment D).
On all de-icing pads careful attention must be paid to traffic taxiing through!!!
7. Availability, Beginning Work at Stations and Executing De-icing
7.1 Availability of De-icing Stations
During the winter flight plan, aircraft de-icing is available 24 hours a day.
Here de-icing normally occurs during main traffic times on two de-icing pads (DP2 for RWY 08L and DP4 for
RWY 26R, DP6 and DP7 for RWY 08R and DP8 and DP9 for RWY 26L; if needed (driveway maintenance, etc.)
DP 3 can also be used.
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7.2 Beginning Work at De-icing Stations
De-icing crews take position at the de-icing pads without previously registering their presence on the pads
with the tower LEJ/DFS. Registering with the tower LEJ to drive onto any de-icing pads is absolutely required
during CAT II/III conditions, or whenever the CAT III warning sign is illuminated and the yellow light on top is
blinking.
After taking position on the de-icing pad, the entire de-icing pad area becomes the responsibility of the
personnel working there; there is no need for any further radio contact for entering or driving on the de-icing
pad. Each person is responsible for watching for traffic taxiing through.
There are no traffic announcements from the tower LEJ concerning traffic taxiing through.
Before driving onto the de-icing pads DP 08 and DP 09, the de-icing crew is obliged to notify the security
station (by telephone HA 1474) and give notice of departure when leaving the pad.
The area of each de-icing station or the driveway to it (except for DP3) is designated on the south side by a red
safety line. A further red safety line is on the north side of the de-icing pads. This results in areas for various
usages on the north and south side of the de-icing pads. These areas have the necessary space on the sides to
allow the taxiing through of aircrafts. After each de-icing, the de-icing-pad area has to be vacated towards the
southern red markings from all vehicles involve, in order to obtain an unobstructed taxiing for all aircrafts,
The de-icing crew may approach the aircraft with their vehicles only after establishing contact with the aircraft
over the frequency determined for the respective de-icing pad on the VHF-de-icing frequency (see attachment
G for frequency schedule).
The de-icing crew has been instructed concerning entering and driving on de-icing pads.
7.3 Executing De-icing
The actual de-icing is regulated by internal procedures valid for all personnel directly involved with de-icing.
Further regulations for using the deicing- pads areas are specified under the Traffic Regulations item A2-
permission.
For communication between aircraft crew and de-icing groups, regulated aircraft radio frequencies are
available for each de-icing pad (see attachment G). German air traffic control (DFS) advises when to switch to
which VHF frequency before taxiing onto the de-icing pad.
Before beginning de-icing, it must be determined if the aircraft will have an operating runway to use after de-
icing. Communication with winter snow service and the traffic center can help here to avoid having to perform
multiple de-icings.
After completing de-icing, the coordinator advises the aircraft crew to change frequency back to the frequency
“Leipzig ground”.
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8. Taxi Clearance by the Tower LEJ
The hold over time of de-icing fluid is limited. When taxi clearance is given, the aircraft should take off as soon
as possible.
The responsibility for determining if the hold over time suffices for taking off lies solely with the pilot in
command of the aircraft.
9. Special De-icing Cases
The ramp agent of each handling company must be asked to inform whether the pilot in command requests a
special de-icing as described in points 9.3 (de-icing of engine intakes, rotor blades, landing gear and radoms)
and 9.4 (cockpit window). The appropriate aircraft mechanic/technician must be advised timely (at least 30
minutes before OFF BLOCK). Special equipment (hot air equipment, ladder, etc.) and/or special de-icing must
also be ordered at least 30 minutes before OFF BLOCK with PortGround.
9.1 Pre-De-icing
Leipzig/Halle Airport permits pre-deicing and anti-icing, which is conducted before take-off with engines
running, to be invoiced not separately but as one event. The amount of de-icing fluid used is billed as the total
amount used.
During pre-de-icing care must be taken to keep the amount of contamination at the entry doors and at
recesses low to avoid complaints from crews and passengers.
Trained aircraft personnel or an aircraft mechanic must be present during the procedure.
Since pre-de-icing occurs only seldom, there is an urgent need for all those involved in the process on the
apron (handling agent, traffic supervisor, PG-LEJ, aircraft technician, crew) to look at the aircraft and
subjectively estimate whether the de-icing procedure will take a longer amount of time and then to pass this
information on. Only such a notice can influence the order of de-icing.
PortGround – de-icing checks whether it is logistically feasible and meaningful to conduct such de-icing
procedures on the de-icing pad for the opposite take-off direction.
9.2 Engine Start Assistance
PortGround – de-icing keeps start assistance for propeller aircraft ready close to the de-icing pads. Start
assistance is invoiced according to the de-icing price catalogue.
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9.3 De-icing of Engine Intakes, Rotor Blades, Landing Gear and Radoms
De-icing of engine intakes, rotor blades, landing gear and radoms must be ordered timely (at least 30 minutes
prior to STD) from the VZ of the airport or from PortGround „de-icing“.
The responsible party for ordering special de-icing and the equipment needed for it is the handling
agent/technician of the respective airline.
De-icing the engine no. 2 of an MD11 must be done by an aircraft mechanic / technician of the respective
airline. PortGround provides the necessary equipment and help in executing the procedure.
If the capacity should be exhausted based on several concurrent de-icing requests, the principle „first come,
first served“ is used.
9.4 Cockpit Window
The cockpit window should be free of snow and ice before „OFF BLOCK“. De-icing occurs at the park position
by an aircraft mechanic / technician.
9.5 Aircraft with low rotation speeds (small aircraft)
With expected de-icing of small aircraft, the personnel of the General Aviation Terminal (GAT) must request
the rotation speed of the aircraft from the pilot in command.
With a rotation speed < 85 knots, de-icing is only possible with ADF type 1 fluid. If this is not possible, then
de-icing with type 2 fluid may have a maximal mixture of ADF to water of 50:50 (up to maximally -3°C).
The dispatcher advises the de-icing crew concerning this mixture.
9.6 Stopping De-icing
Based on extreme weather conditions, de-icing may no longer be possible or reasonable.
From wind speeds of 20.5 meters/second (corresponds to 39 knots) upwards, de-icing is not allowed.
With very strong precipitation (snow, freezing rain, etc.) there are no hold over times for de-icing fluid.
With temperatures under -29°C it is no longer possible to use de-icing fluid.
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9.7 Repeat De-icing
If, contrary to expectations, an already de-iced aircraft should exceed the hold over time (HOT), making a
repeat de-icing necessary, a new de-icing pad is assigned based on consultation between the tower LEJ and
the de-icing dispatcher of PortGround.
10. Note
The procedures presented in points 1 to 9 are the result of consultations between those involved in the
procedures.
During the course of the running procedure, if it should be necessary to change the procedure in some points,
all parties involved are obligated to cooperate and help.
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Attachment A: Catalogue Priorities for De-icing
1. Ambulance
2. Government
3. Slot hub PAX
4. Slot hub Cargo
5. Slot (general) PAX
6. Slot (general) Cargo
7. planned PAX-flights
8. planned Cargo-flights
9. General aviation
Note: for Apron 4 there are special regulations.
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Attachment B: Taxiing to the De-icing Pad DP2 and DP4
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Attachment C: Taxiing to De-icing Pads DP6 and DP7
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Attachment D:Taxiing to the De-icing Pads DP8 and DP9
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Attachment E: Use of DP6 When the waiting Area of Ruslan Salis is occupied.
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Attachment F: Use of De-icing Pad DP3
Aufstellflächen
DP 3
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Attachment G: De-icing Frequencies Flight frequencies on the de-icing pads
De-icing Pad VHF – frequency Call name
DP 2 121.900 LEJ-Deicing 6
DP 4 121.900 LEJ-Deicing 6 DP 3 121.600 LEJ-Deicing DP 6 121.980 LEJ-Deicing 7 DP 7 121.730 LEJ-Deicing 8 DP 8 121.930 LEJ-Deicing 9 DP 9 121.700 LEJ-Deicing 10 DPZ1.1 121.650 LEJ-Deicing 1 DPZ1.2 121.650 LEJ-Deicing 1 DPZ2.1 121.750 LEJ-Deicing 2 DPZ2.2 121.750 LEJ-Deicing 2 DPZ3.1 121.850 LEJ-Deicing 3 Only DHL APRON4 DPZ3.2 121.850 LEJ-Deicing 3
DPZ4.1 121.950 LEJ-Deicing 4 DPZ4.2 121.950 LEJ-Deicing 4 DPZ4.3 121.950 LEJ-Deicing 4 DPZ5.1 121.630 LEJ-Deicing 5
Request 121.600 LEJ-Deicing
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Attachment H: Guidelines for Holdover Times
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Attachment I: Generic table ADF type I
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Attachment J: Generic table ADF type II
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Attachment K: brand name table ADF type II
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