What does 5.1.4 require?

The State ensures contingency plans are developed and resources made available to safeguard civil aviation against unlawful interference, and that the plans are tested regularly.

ICAO Annex 17 - Aviation Security (AVSEC) 5.1.4...

Other controls in Chapter 5: Management of response to acts of unlawful interference – ICAO Annex 17 - Aviation Security (AVSEC)

5.1.1 5.1.1 Safeguarding a threatened aircraft
5.1.2 5.1.2 Searching a threatened aircraft
5.1.3 5.1.3 Dealing with suspected dangerous devices
5.1.5 5.1.5 Trained personnel for response
5.1.6 5.1.6 Reporting of incidents and preparatory acts
5.2.1 5.2.1 Safety of passengers and crew on the ground
5.2.2 5.2.2 Collecting and transmitting flight information
5.2.3 5.2.3 Assistance to a seized aircraft

Query this from an agent

The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.

MCP endpoint All ICAO Annex 17 - Aviation Security (AVSEC) controls