When a helicopter has two or more airspeed sensors, what additional indication must be provided beyond a combined failure warning?

In systems with two or more sensors, there must be a means to identify the failed heater.

From which flight crew stations must the combined failure indication for the airspeed indicating system's anti-icing/anti-condensation means be visible?

It must be visible from each flight crew station.

AMC1 CAT.IDE.H.130(e) Operations under IFR or at night - flight and navigational instruments and associated equipment

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AMC1 CAT.IDE.H.130(e) Operations under IFR or at night – flight and navigational instruments and associated equipment

ED Decision 2014/015/R

MEANS OF INDICATING FAILURE OF THE AIRSPEED INDICATING SYSTEM’S MEANS OF PREVENTING MALFUNCTION DUE TO EITHER CONDENSATION OR ICING

A combined means of indicating failure of the airspeed indicating system’s means of preventing malfunction due to either condensation or icing is acceptable provided that it is visible from each flight crew station and that there it is a means to identify the failed heater in systems with two or more sensors.

Details

Source-Title: AMC1 CAT.IDE.H.130(e) Operations under IFR or at night - flight and navigational instruments and associated equipment View latest amendments

Erulesid: ERULES-1963177438-12519 Compare versions

Domain: Air operations

Applicabilitydate: 1 July, 2014

Entryintoforcedate: 1 July, 2014

Regulatorysource: ED Decision 2014/015/R Navigate

Regulatorysubject: Part-CAT

Typeofcontent: AMC to IR (Acceptable means of compliance to implementing rule)

Parentir: CAT.IDE.H.130 Operations under IFR or at night - flight and navigational instruments and associated equipment

Origin: EASA

Category: EAR