AMC1 CAT.GEN.MPA.210 Location of an aircraft in distress
—Aeroplanes
ED
Decision 2021/008/R
PERFORMANCE OF THE AIRBORNE SYSTEM, TRANSMISSION SERVICE, AND OPERATIONAL PROCEDURES
(a) Performance
of the airborne system
The airborne system used to comply with point CAT.GEN.MPA.210 (‘airborne system’) should:
(1) be approved in accordance with the
applicable airworthiness requirements; and
(2) comply with the Certification
Specifications for Airborne Communications, Navigation and Surveillance
(CS-ACNS) issued by EASA, or equivalent.
(b) Transmission service
If the airborne system relies on other
equipment than ELTs for transmitting the information needed to comply with
point CAT.GEN.MPA.210, the provider of the transmission service
should be a surveillance service provider that is certified in accordance with
Regulation (EU) 2017/373 (the ‘ATM/ANS Regulation’).
(c) Flight crew procedures
The operator should establish flight
crew procedures for using the airborne system, including manual activation and
manual deactivation of that system. These procedures should ensure that the
flight crew manually activate the airborne system only if a search and rescue
(SAR) response is needed or anticipated, and that they inform the relevant ATS
unit in a timely manner when they manually deactivate or disable the airborne
system to stop data transmission.
(d) Operator’s
procedures
The operator should establish
procedures:
(1) for assessing whether an aircraft is
likely to be in a state of emergency and
(2) for informing the competent ATS unit (ATS
unit responsible for providing the alerting service in the airspace where the
aircraft is believed to be):
(i) when a state of emergency is identified, and
(ii) when a state of emergency no longer exists.
(e) Limiting the effects of false alerts
To reduce the frequency and effects of
false alerts that are caused by the airborne system, the operator should:
(1) establish procedures for disabling any of
the required functions of the airborne system;
(2) consider the airborne system inoperative
if, during a flight, there were several occurrences of undesirable automatic
activation of the airborne system; and
(3) analyse occurrences of undesirable (manual
and automatic) activation of the airborne system to determine their probable
cause; the records of such analyses should be retained for at least 12 months
and provided to the competent authority on request.
EASA regulations mandate that aircraft airborne systems for distress location must be airworthiness-approved and meet CS-ACNS standards. Transmission services require certified surveillance providers. Operators must define flight crew procedures for system activation/deactivation, emergency assessments, and false alert mitigation through system disabling and incident analysis.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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