I am indebted to AndertonC. J.Mr., Chief Constable of Greater Manchester, BaileyS. E.Mr., Chief Constable of Northumbria, DavisEdward M.Mr., Chief of Los Angeles Police Department, Lieutenant John N. Hopkins, Acting Commander Air Support Division Los Angeles Police Department and DewarRobert R., Editor, Police Research Bulletin for their assistance. See also GatesG.Helicopters for Police Use, Police Research Bulletin, 1967, 1, 13–16; Perspective Police Research Bulletin, 1967, 2, 3–4; ClarkeA. E.RobertsH.RotorcraftPolice Research Bulletin, 1967, 3, 19–25; OslterP.RignellV. J. H., Helicopters — The Experiment, Police Research Bulletin, 1967, 4, 27–30; OslterP., Helicopters Their Use in Police Work — An Assessment, Police Research Bulletin, 1968, 8, 3–14; OslterP.RignellV. J. H., Helicopters Experimental Extension, Police Research Bulletin, 1968, 5, 11–12. WaymanA. R.Operation Eagle, Police Review, 1977, 4398, 548–9.
2.
The comparable data for 1975 is as follows: Population Greater Manchester Los Angeles Area 494.839 square miles 465.884 square miles Police strength 5,905 7,442 Police establishment 6,628 —Civilian strength 2,139 2,876 Budget 1975 £44,314,000 $180,000,000
3.
See U.S. Department of Justice, The Utilization of Helicopters for Police Air Mobility, 1971, Washington: USGPO.
4.
Ibid., p. 25.
5.
JaegerK., “Chicago's Fire — Police Choppers”, Rotor and Wing, 1969, 10, Peoria, Ill.: Peoria Journal Star Inc., 22–25, 40.