Interim Report - Introduction - EASA

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INTERIM REPORT – DATA SUMMARY AND ANALYSIS <strong>EASA</strong>.2009.OP.21 18% 12% 29% airsight GmbH - 25 - 41% None Fixed infrastructure at deicing area Vacuum trucks Other Figure 16: De-icing / anti-icing fluids recovery The treatment of the collected fluids differs widely, and is not further analysed within this document. 2.2.2.4 De-icing / anti-icing units Service providers usually buy or lease (or lease buy-back) their de-icing / anti-icing vehicles. It represents generally their most important investment. De-icing / anti-icing trucks are in almost all cases owned (or leased) by the entity providing de-icing / anti-icing services. Trucks are in useful operation between 10-15 years on average. The number of units at an aerodrome mainly depends on the maximum planned throughput. While an aerodrome such as Frankfurt-Main Airport has around 40 units, smaller aerodromes (e.g. about one million passengers per annum) with a similar climate may only have 3 units (2 in operation, and 1 spare unit). The sizes, brands, options (e.g. forced air, on-board proportional mix-capability, etc.) and related characteristics (price, maintenance, manoeuvrability, fluid consumption) of the deicing / anti-icing units depend on the requirements and preferences of the service providers. Service providers operating with a single type of fluid (e.g. Type II) have, in most cases, trucks not yet equipped to perform a two-step de-icing / anti-icing with both type I for de-icing and thickened fluids for anti-icing. While most manufacturers offer the option to upgrade deicing units, in some cases (usually for older vehicles) it can be an expensive conversion. Another option, considered by some, is to provide two-step de-icing / anti-icing in the short term (provided fluids are made available), using dedicated trucks for de-icing and others dedicated to anti-icing. However, such procedures are more complicated in practice (coordination effort), and involve more trucks on the apron – which may have an impact on safety.
INTERIM REPORT – DATA SUMMARY AND ANALYSIS <strong>EASA</strong>.2009.OP.21 Therefore, the costs associated with upgrading vehicles/systems to provide two-step procedures can vary considerable between little to great and is dependent on their current equipment. 2.2.3 De-icing / anti-icing fluids An analysis of the utilisation of non-thickened and thickened fluids is provided in Chapter 2.1. airsight GmbH - 26 -
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