1 Applicability
This ETSO provides the requirements which automatic deployable flight recorder (AFDR) systems intended for installation in large aeroplanes that are designed and manufactured on or after the date of this ETSO must meet in order to be identified with the applicable ETSO marking.
2 Procedures
2.1 General
The applicable procedures are detailed in CS-ETSO, Subpart A.
2.2 Specific
None.
3 Technical Conditions
3.1 Basic
3.1.1 Minimum Performance Standard
The applicable standards are those provided in EUROCAE ED-112A, MOPS for Crash Protected Airborne Recorder Systems, dated September 2013, Section 3, as amended by Appendix 1 to this ETSO.
The ADFR system shall also be approved in accordance with the latest revision of the ETSO that is applicable to the supported function:
ETSO-(2)C123() |
Cockpit Voice Recorder Systems |
ETSO-(2)C124() |
Flight Data Recorder Systems |
ETSO-(2)C176() |
Aircraft Cockpit Image Recorder Systems |
ETSO-(2)C177() |
Data Link Recorder Equipment |
The emergency locator transmitter fitted to the ADFR shall be approved as a minimum in accordance with ETSO-C126c, Type ELT(AD) Class 0 or 1, with capabilities C (Crash resistance), H1 (121.5MHz homing) and be of any generation (capability T.001 or T.018).
3.1.2 Environmental Standard
See CS-ETSO, Subpart A, paragraph 2.1, and EUROCAE ED-112A as amended by Appendix 1 to this ETSO.
3.1.3 Software
See CS-ETSO, Subpart A, paragraph 2.2.
3.1.4 Airborne Electronic Hardware
See CS-ETSO, Subpart A, paragraph 2.3.
3.2 Specific
3.2.1 Failure Condition Classification
See CS-ETSO, Subpart A, paragraph 2.4.
A failure of the ADFR to deploy when required is classified as a minor failure condition.
An unintended deployment of the ADFR is classified as not less than a major failure condition.
Note: The classification of the unintended deployment of the ADFR is driven by the risk to the people on the ground. The unintended deployment of the ADFR may also damage the aircraft. Assessing this impact when installing the article on an aircraft may result in a more stringent classification.
4 Marking
4.1 General
See CS-ETSO, Subpart A, paragraph 1.2.
4.2 Specific
4.2.1 Lettering identification
The equipment shall comply with the identification requirement in EUROCAE ED-112A, Section 3-1, paragraph 3-1.8.3 as amended by Appendix 1 to this ETSO.
5 Availability of Referenced Documents
See CS-ETSO, Subpart A, paragraph 3.
[Amdt ETSO/16]
ETSO-2C517 specifies requirements for Automatic Deployable Flight Recorder (ADFR) systems for large aeroplanes, including compliance with EUROCAE ED-112A and classification of deployment failures as minor or major.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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