Safety Requirement Details
Transition Process for Training and lesson plans to adequately ADS-B Failure cover the transition process and procedures from ADS-B control to procedural control
On-line integrity A site monitoring system shall provide a monitoring using site degree of on-line integrity monitoring. A monitor warning shall be issued to ATC if the site monitor is not received or indicates a low NuC value
ADS-B Fallback Validated and published instructions procedure for reverting back to procedural control
BARO aiding for Ensure BARO aiding available if required navigator
Procedures for Ensure procedures as per radar - revert back reverting to Flight to Flight Plan Track, is available for ADS B Plan Track
Project ICAO SASPOperational Use of ADS-B in Non Radar Airspace
Hazard No. 18 Satellite Failure - Unpredicted - Undeclared maintenance over regional area
Generic Description Satellite Failure - Unpredicted - Undeclared maintenance over a regional area will cause the navigator to flag RAIM loss therefore possible loss of ADS B
Hazard Cause/Initiating Events Loss of ADS-B positional data to the controller. Increase in workload due to transitioning period back to procedural control and reassess traffic.
Initial Risk Residual
Risk
Likelihood Occasional Occasional
Consequence Cat 3 Cat 4
Risk C D
Existing Mitigation
Safety Requirement Details
Transition Process for Training and lesson plans to adequately ADS-B Failure cover the transition process and procedures from ADS-B control to procedural control
ADS-B Fallback Validated and published instructions procedure for reverting back to procedural control
On-line integrity A site monitoring system shall provide a monitoring using site degree of on-line integrity monitoring. A monitor warning shall be issued to ATC if the site monitor is not received or indicates a low NuC value
Procedures for Ensure procedures as per radar - revert back reverting to Flight to Flight Plan Track, is availlable for ADS B Plan Track
BARO aiding for Ensure BARO aiding available if required Navigator
Project ICAO SASPOperational Use of ADS-B in Non Radar Airspace Hazard No. 19 Loss of Geometry Generic Description Loss of geometry from the GPS causing a possible loss of ADS-B due to loss of good NUC from some aircraft Hazard Cause/Initiating Events
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