Safety Requirement Details
Coupling Ensure REG and 24 bit code are required for coupling. Also, ensure no coupling untill the flight plan is coordinated.
Airline procedures Ensure airline support the procedure of providing REG and 24 bit code for all flight plans for ADS B aircraft. Remind airline on this requirement for aircraft swap procedure.
Provide ADS-B Training and lesson plans to support air training capability traffic control of ADS-B equipped aircraft in non radar airspace
Safety Function for Route Adherence Monitoring processing (or similar) implemented in the ADS-B tracks automation system for ADS-B tracks.
Project ICAO SASPOperational Use of ADS-B in Non Radar Airspace
Hazard No. 32 Coupling and Decoupling parameters
Generic Description
Coupling and decoupling occur differently from radar therefore may confuse controllers
Hazard Cause/Initiating Events
There is different in coupling requirements between ADS B and radar.
Initial Risk Residual
Risk
Likelihood Probable Probable
Consequence Cat 4 Cat 4
Risk D D
Existing Mitigation
Safety Requirement Details
ADS-B Training Provision of an ADS-B training system
System capability on ground simulator.
Adequate ATC Ensure adequate training and assessment of
training and controller for rating.
Project ICAO SASPOperational Use of ADS-B in Non Radar Airspace
Hazard No. 33 Wrong positional data
Generic Description
Incorrect positional data being reported by an aircraft due to a problem with the avionics (hardware or software) -
NUC
still better than 4.
Hazard Cause/Initiating Events
A momentary track jump similar to automatic position reporting in radar.
Initial Risk Residual
Risk
Likelihood Remote Remote
Consequence Cat 3 Cat 3
Risk D D
Existing Mitigation
Safety Requirement Details
Safety Function for Route Adherence Monitoring processing (or similar) implemented in the ADS-B tracks automation system for ADS-B tracks.
Checking of ADS-B a/c Procedures shall be developed for cross ident checking of ADS-B positional data with data provided by other navigational systems (not GPS) in certain circumstances.
Parity check on data Ensure parity check is available for all data transmitted transmitted
Coupling Ensure REG and 24 bit code are required for coupling. Also, ensure no coupling until the flight plan is coordinated.
Project ICAO SASPOperational Use of ADS-B in Non Radar Airspace Hazard No. 34 Incorrect position decoded by Ground Station Generic Description Position of aircraft may be in the incorrect position when the range exceed 180NM due to decoding process adopted.
(local unambiguous)
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