Browse Standards AS5498B
Current REVISED 2022-04-22

Minimum Operational Performance Specification for Inflight Icing Detection Systems AS5498B

This document contains minimum operational performance specification (MOPS) of active on-board INFLIGHT ICING DETECTION SYSTEMS (FIDS).
This MOPS specifies FIDS operational performance which is the minimum necessary to satisfy regulatory requirements for the design and manufacture of the equipment to a minimum standard and guidance towards acceptable means of compliance when installed on an AIRCRAFT.
Detection of ICE accreted on the AIRCRAFT during ground operations is not considered in this document. This MOPS was written for the use of FIDS on AIRCRAFT as defined in 1.3 and 2.3.
Expected minimum performance specifications for FIDS and their functions are provided in Section 3.
The minimum performance requirements as defined in Section 3 do not consider SYSTEM performance as installed on the AIRCRAFT. Performance in excess of the minimum performance may be required by the SYSTEM installed on an AIRCRAFT in order to meet regulatory or operational requirements. This topic is considered in Section 6.
This MOPS document is structured as follows:
Operational performance specifications for functions or COMPONENTS that refer to equipment capabilities that exceed the stated minimum requirements are identified as optional features.
The word “equipment” as used in this document includes all COMPONENTS and units necessary for the SYSTEM to properly perform its intended function(s). For example, the “equipment” may include all of the COMPONENTS listed in 1.4. It should not be inferred that each FIDS design will necessarily include all of the COMPONENTS or units listed in that Section. This will depend on the specific design chosen by the FIDS manufacturer.
AS5498B
2022-04-22
Latest
Revised
AS5498A
2017-12-05
Historical
Revised
AS5498
2009-12-10
Historical
Reaffirmed

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