To ask the Secretary of State for Defence how much was spent by his Department on buying, operating and supporting (a) all commercial software products and (b) software products produced by Microsoft was in each of the last three years.

To ask the Secretary of State for Defence how much was spent by his Department on buying, operating and supporting (a) all commercial software products and (b) software products produced by Microsoft was in each of the last three years.

To ask the Secretary of State for Defence what percentage of his Department's computer systems use open source software; what percentage of the systems planned to be installed use such software; and whether he plans to increase the use of open source software in his Department.

To ask the Secretary of State for Defence what percentage of his Department's computer systems use open source software; what percentage of the systems planned to be installed use such software; and whether he plans to increase the use of open source software in his Department.

To ask the Secretary of State for Defence what estimate the Meteorological Office has made of the number of days of snow fall in (a) London, (b) Edinburgh, (c) Bristol and (d) Inverness in (i) 2010, (ii) 2020, (iii) 2030 and (iv) 2050.

To ask the Secretary of State for Defence what estimate the Meteorological Office has made of the number of days of snow fall in (a) London, (b) Edinburgh, (c) Bristol and (d) Inverness in (i) 2010, (ii) 2020, (iii) 2030 and (iv) 2050.

To ask the Secretary of State for Defence whether the contract for the F35 joint strike fighter includes all the accompanying software, with particular reference to faults analysis software.

To ask the Secretary of State for Defence whether the contract for the F35 joint strike fighter includes all the accompanying software, with particular reference to faults analysis software.

To ask the Secretary of State for Defence, what percentage of the Department's (a) implemented and (b) planned computer systems use open source software; and what plans are in place to raise this level. - Will write.

To ask the Secretary of State for Defence, what percentage of the Department's (a) implemented and (b) planned computer systems use open source software; and what plans are in place to raise this level. - Will write.

To ask the Secretary of State for Defence, what problems have been experienced with the software included in the Bowman Radio Communications Programme; and what he estimates the cost of correcting these problems to be.

To ask the Secretary of State for Defence, what problems have been experienced with the software included in the Bowman Radio Communications Programme; and what he estimates the cost of correcting these problems to be.

To ask the Secretary of State for Defence, what representations he has received from QinetiQ about the Typhoon's software and computer programmes; what representations he has received from the companies involved in the Typhoon programme about that aircraft's software and computer programmes; what representations he has received from the RAF...

To ask the Secretary of State for Defence, what representations he has received from QinetiQ about the Typhoon's software and computer programmes; what representations he has received from the companies involved in the Typhoon programme about that aircraft's software and computer programmes; what representations he has received from the RAF...

To ask the Secretary of State for Defence, if he will make a statement on problems experienced with the Typhoon's software programmes; whether he expects the software problems to delay the Typhoon's entry into service with the RAF; and what estimate he has made of the cost of correcting the...

To ask the Secretary of State for Defence, if he will make a statement on problems experienced with the Typhoon's software programmes; whether he expects the software problems to delay the Typhoon's entry into service with the RAF; and what estimate he has made of the cost of correcting the...

To ask the Secretary of State for Defence, what the (a) functional and (b) operational differences are between the Mark 2 Chinook helicopter, the Chinook 47-H and the Mark 3; how the FADEC system in the Mark 2 Chinook differs from that available to the (a) Mark 2a, (b) the...

To ask the Secretary of State for Defence, what the (a) functional and (b) operational differences are between the Mark 2 Chinook helicopter, the Chinook 47-H and the Mark 3; how the FADEC system in the Mark 2 Chinook differs from that available to the (a) Mark 2a, (b) the...

To ask the Secretary of State for Defence, whether negotiations between his Department and Microsoft regarding future licensing arrangements have been completed; and if he will make a statement.

To ask the Secretary of State for Defence, whether negotiations between his Department and Microsoft regarding future licensing arrangements have been completed; and if he will make a statement.

To ask the Secretary of State for Defence, what process the Mark 3 Chinook helicopter has undergone to ascertain its readiness for release to operational service; what the latest estimate is of the cost of the Mark 3 Chinook helicopter procurement project; when the budget for the Chinook Mark 3...

To ask the Secretary of State for Defence, what process the Mark 3 Chinook helicopter has undergone to ascertain its readiness for release to operational service; what the latest estimate is of the cost of the Mark 3 Chinook helicopter procurement project; when the budget for the Chinook Mark 3...

To ask the Secretary of State for Defence, if he will make it his policy to mandate companies tendering for the supply of future software systems for the Royal Navy to use Open Source Software for the engineered operating systems.

To ask the Secretary of State for Defence, if he will make it his policy to mandate companies tendering for the supply of future software systems for the Royal Navy to use Open Source Software for the engineered operating systems.

To ask the Secretary of State for Defence, for what reasons flight data and cockpit voice recorders were not fitted to the RAF Chinook HC2 fleet upon its entry into service.

To ask the Secretary of State for Defence, for what reasons flight data and cockpit voice recorders were not fitted to the RAF Chinook HC2 fleet upon its entry into service.

To ask the Secretary of State for Defence, if he estimates that the heading and track of Chinook ZD 576 was represented with complete accuracy in the simulation conducted by Boeing; and if he will make a statement.

To ask the Secretary of State for Defence, if he estimates that the heading and track of Chinook ZD 576 was represented with complete accuracy in the simulation conducted by Boeing; and if he will make a statement.

To ask the Secretary of State for Defence, if he estimates that the all-up weight of Chinook ZD 576, including variables, was represented with complete accuracy in the simulation conducted by Boeing; and if he will make a statement; what his Department's estimate is of the all-up weight of Chinook...

To ask the Secretary of State for Defence, if he estimates that the all-up weight of Chinook ZD 576, including variables, was represented with complete accuracy in the simulation conducted by Boeing; and if he will make a statement; what his Department's estimate is of the all-up weight of Chinook...

To ask the Secretary of State for Defence, if he will make a statement on the parameters provided to Boeing for its simulation of the final five seconds of Chinook ZD576.

To ask the Secretary of State for Defence, if he will make a statement on the parameters provided to Boeing for its simulation of the final five seconds of Chinook ZD576.

To ask the Secretary of State for Defence, if he will make a statement setting out the reasons why a simulation was commissioned for the investigation into the final flight of Chinook ZD576.

To ask the Secretary of State for Defence, if he will make a statement setting out the reasons why a simulation was commissioned for the investigation into the final flight of Chinook ZD576.

To ask the Secretary of State for Defence, if he will publish the information, other than the parameters issuing from the AAIB technical report, that was provided to Boeing for the purposes of the simulation of the final seconds of the flight of ZD576; what level of accuracy Boeing stated...

To ask the Secretary of State for Defence, if he will publish the information, other than the parameters issuing from the AAIB technical report, that was provided to Boeing for the purposes of the simulation of the final seconds of the flight of ZD576; what level of accuracy Boeing stated...

To ask the Secretary of State for Defence, who commissioned the original Boeing simulation of the final seconds of the flight of ZD576. - Air Accidents Investigation Branch for the RAF Board of Inquiry.

To ask the Secretary of State for Defence, who commissioned the original Boeing simulation of the final seconds of the flight of ZD576. - Air Accidents Investigation Branch for the RAF Board of Inquiry.

To ask the Secretary of State for Defence, what was (a) the mean time between failure rate of the FADEC system on the Chinook Mk2 in its first year of operational service and (b) the target figure agreed with the manufacturer; if his Department's contract with Textron Lycoming included a...

To ask the Secretary of State for Defence, what was (a) the mean time between failure rate of the FADEC system on the Chinook Mk2 in its first year of operational service and (b) the target figure agreed with the manufacturer; if his Department's contract with Textron Lycoming included a...