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Mr. Sainsbury : When the IUKADGE is fully functioning, the CCS will be the focus of the management of all air defence resources, including early warning and reaction systems. Information on its specific operational capabilities is, however, classified.

Single Software Language

Mr. Rogers : To ask the Secretary of State for Defence whether the current rules of NATO international competitive bidding now allow the specification of a single software language.

Mr. Sainsbury : ADA is now NATO's single preferred language standard for real-time defence computer applications. According to the present rules for NATO international competitive bidding, the use of ADA for such applications is strongly recommended although not mandatory.

Berthing Facilities (East Coast)

Mr. Holt : To ask the Secretary of State for Defence how many east coast ports adopt a policy of refusing berthing and bunkering facilities to Royal Navy ships.

Mr. Archie Hamilton : The Royal Navy has not encountered any ports which adopt such a policy.

RAF Upper Heyford

Mr. Cohen : To ask the Secretary of State for Defence if he will list all accidents or potentially hazardous incidents involving aircraft flying from RAF Upper Heyford while the base has been under the operational control of the United States Air Force.

Mr. Neubert [holding answer 7 July 1989] : Since 1970, the period for which records are readily available, there have been 14 accidents to aircraft from the 20th tactical fighter wing based at RAF Upper Heyford. These accidents all took place during training exercises well away from the base. The dates and locations of the accidents are as listed :

Date                         |Aircraft                    |Area                                                     


28 May 1970                  |F-100                       |The Wash                                                 

18 January 1972              |F-111E                      |Leuchars, Scotland                                       

11 January 1973              |F-111E                      |West of Stratford upon Avon,                             

                                                          |  Warwickshire                                           

15 May 1973                  |F-111E                      |Kintyre, Scotland                                        

 5 March 1975                |F-111E                      |Cumbrian Mountains                                       

 5 November 1975             |F-111E                      |Wainfleet range,                                         

                                                          |  Lincolnshire                                           

31 October 1977              |F-111E                      |4 miles North West of                                    

                                                          |  Llangadfan                                             

24 July 1979                 |F-111E                      |North Sea near Wethersea                                 

30 October 1979              |F-111E                      |Harlton, Cambridgeshire                                  

12 December 1979             |F-111E                      |Wainfleet range,                                         

                                                          |  Lincolnshire                                           

12 December 1979             |F-111E                      |Newton Stewart, Scotland                                 

29 April 1980                |F-111E                      |Wimborne, Dorset                                         

13 March 1981                |F-111E                      |RAF Fairford                                             

 9 August 1984               |F-111E                      |Tain range, Scotland                                     

It is not the practice of the United States Air Force to classify incidents as "potentially hazardous".


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