asked the President of the Board of Trade what proposals he has to require aircraft crash recorders to be designed for higher standards of recoverability.

Consideration is being given to a requirement for flight data recorders fitted in future aircraft to have under-water separation, flotation and location devices. In addition, while the standard of protection of the recorded message is already of a high order, the Air Registration Board is reviewing with manufacturers the possibility of increasing this protection.

asked the President of the Board of Trade what proposals he has to introduce noise limits for light aircraft and helicopters.

The initial noise certification plan excludes both helicopters and aircraft less than 12,500 lb. maximum take-off weight. Each category presents special problems of noise reduction and, pending further study, we do not think it expedient to defer the substantial benefits which the initial plan is intended to secure.

asked the Minister of Public Building and Works what arrangements are made with the National Board for Prices and Incomes for the divulging to the Board of information given in confidence to his Department.

None. I have written to the hon. Member about this.

asked the Secretary of State for Defence if he will convene a conference of local authorities and others concerned with the re-housing problems of men discharged from army units in the Woking area.

I am grateful to the hon. Gentleman for his interest in this matter and will certainly consider his suggestion.