Thatcher told MacGregor in March 1984, according to the documents: "It was essential to stiffen the resolve of chief constables to ensure that they fulfilled their duty to uphold the law".
In addition to the ex-inspector, they include a sergeant, three police constables and a special constable.
As accident investigators began slowly extracting pieces of the helicopter from the shattered roof of the Clutha bar using a mobile crane, Sir Stephen House, the chief constable of Scotland, named the two officers killed in Friday's tragedy as constables Kirsty Nelis, 36, and Tony Collins, 41.
Two police constables who also attended the incident gave evidence for the prosecution.
One of the constables - the officer who twice discharged the Taser - could also face criminal charges, the IPCC states.
As things stand, police authorities cannot remove chief constables without the say-so of the home secretary, although a home secretary has the power to sack a chief constable.
Even chief constables need operational credibility, it is said, to order junior officers to put their lives on the line.
A third is whether foreigners have so very much to offer as chief constables (the Conservatives have always been susceptible to the charms of Bill Bratton, a veteran American crime-buster) and, if so, whether gun-toting Americans are necessarily a better fit than, say, the non-common-law Dutch.The biggest question is whether promoting graduates and businessmen is the most pressing matter at hand.
Starting in 2012 they will determine priorities for their local force, appoint and remove chief constables and set the budget.
But the Tories were not the only politicians to take a dismissive line on the Runciman report, although it was the most comprehensive review of drugs laws for 25 years, produced by a panel including two serving chief constables and a distinguished group of medical and legal experts.
They will be able to set policing priorities and fire chief constables.
