The thrust of that debate was over whether al-Qaida figures were more properly tried in a military court, but security challenges also loomed as a factor.
Uncertainty over the position of Cyprus' European partners to the broad thrust of the country's new proposals formed the backdrop to Friday's discussions.
"While I have worked 10 or 12 emergencies over the course of my career, I have never worked an aircraft with zero thrust capabilities, " Harten's testimony says.