Has ICAO Doc 4444 Chapter 7.1.3 been transposed into the EU regulatory framework?

No, the footnote in the section states that ICAO Doc 4444 [14] Chapter 7.1.3 has not been transposed into the EU regulatory framework.

Which ED Decision is the source of section 5.2.7.8 on failure detection?

The section is sourced from ED Decision 2023/005/R.

What is the significance of the 'defined maximum latency value' in the context of failure detection?

A delayed image beyond the defined maximum latency value is considered a failure or irregularity that the remote tower system should enable the ATCO/AFISO to detect, as it could adversely affect safety or efficiency.

How does the section relate the remote tower system failure detection to ICAO Doc 4444?

The section states that to fulfil ICAO Doc 4444 [14] Chapter 7.1.3 'Failure or irregularity of aids and equipment', the remote tower system should enable detection of failures or irregularities. However, the footnote clarifies that this ICAO chapter has not been transposed into the EU regulatory framework.

5.2.7.8 Failure detection

Q: What should the remote tower system enable the ATCO/AFISO to detect according to ED Decision 2023/005/R?

The remote tower system should enable the ATCO/AFISO to detect any failure or irregularity which could adversely affect the safety or efficiency of flight operations and/or the provision of ATS, such as corrupt, delayed (beyond the defined maximum latency value) or frozen image of the visual surveillance system.

Q: Which regulation and ICAO document are referenced in section 5.2.7.8 for failure detection requirements?

The section references Regulation (EU) 2017/373 [4], specifically ATS.OR.140 'Failure or irregularity of systems and equipment', and ICAO Doc 4444 [14] Chapter 7.1.3 'Failure or irregularity of aids and equipment'.

Q: What types of visual surveillance system issues are explicitly mentioned as examples of failures or irregularities to detect?

The section explicitly mentions corrupt, delayed (beyond the defined maximum latency value) or frozen image of the visual surveillance system as examples of failures or irregularities that could adversely affect safety or efficiency.

Q: Where can technical standards for maximum video failure notification time be found according to the note in section 5.2.7.8?

According to the note, technical standards for maximum video failure notification time can be found in EUROCAE ED-240A Change 1 [19], specifically in VC REQ 4.

Q: What is the purpose of the failure detection requirement in the remote tower system?

The purpose is to enable the ATCO/AFISO to detect any failure or irregularity which could adversely affect the safety or efficiency of flight operations and/or the provision of ATS.

Q: What does ATS.OR.140 in Regulation (EU) 2017/373 address?

ATS.OR.140 addresses 'Failure or irregularity of systems and equipment' as referenced in the section.

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5.2.7.8 Failure detection

ED Decision 2023/005/R

In order to fulfil Regulation (EU) 2017/373 [4], ATS.OR.140 ‘Failure or irregularity of systems and equipment’ as well as ICAO Doc 4444 [14] Chapter 7.1.3^[26] ‘Failure or irregularity of aids and equipment’, the remote tower system should enable the ATCO/AFISO to detect any failure or irregularity which could adversely affect the safety or efficiency of flight operations and/or the provision of ATS, such as corrupt, delayed (beyond the defined maximum latency value) or frozen image of the visual surveillance system.

Note: Technical standards for maximum video failure notification time can be found in EUROCAE ED-240A Change 1 [19] (VC REQ 4).

[26] ICAO Doc 4444 [14] Chapter 7.1.3 has not been transposed into the EU regulatory framework.

Details

Source-Title: 5.2.7.8 Failure detection View latest amendments

Erulesid: ERULES-1963177438-16258 Compare versions

Domain: Air traffic management/Air navigation services

Applicabilitydate: 1 April, 2023

Entryintoforcedate: 1 April, 2023

Regulatorysource: ED Decision 2023/005/R Navigate

Regulatorysubject: Remote aerodrome air traffic services

Typeofcontent: GM to IR (Guidance material to implementing rule)

Origin: EASA

Category: EAR