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Aviation History
1934
1934 - 0203.PDF
FLIGHT, MAKCH 1. 1984 CLOUD FLYING Precautions to be observed to minimise risk of Collision •~Hr~ HE rapid increase of so-called " blind "' flying has Ol necessitated the issue of an Air Ministry notice IH (No. 92 of 1933, Series A) defining the areas in which practice blind flying may be carried out, in order that safety may be maintained. The following rules are taken from this notice and pilots of civil aircraft, in par- ticular, are advised to follow them. (A) THE LONDON-CONTINENT AIRWAY AREA This area, which is shown on the map published here- with, is bounded as follows: — North Side.—Kingston-on-Thames, along N. bank of River Thames as far as Southend, thence by straight line to North Foreland. East and South Sides.—North Foreland, along coastline to Bexhill. . , West Side.—Straight lines joining Bexhill, Gatwick, Dorking and Kingston-on-Thames. No cloud-flying by service aircraft except battle flight climbs by units stationed at Kenley and Biggin Hill will take place in this area. Such battle flight climbs will only be performed after consultation with the Chief Aerodrome Officer, Croydon Airport. (1) Practice Cloud Flying.—No cloud-flying for practice or instruction should take place within the above area. (2) Cross-Country Flights.—(a) Aircraft not fitted with radio.—Aircraft not fitted with radio flying within the above area should not fly through cloud except in emer- gency. (b) Aircraft fitted with radio.—Aircraft fitted with radio flying within the above area, other than those operating on scheduled services between London and the Continent, should notify the Control Officer at Croydon before enter- ing cloud, reporting their position, the track and ground speed it is intended to maintain, and the height above sea level at which they are flying and which it is intended to maintain through cloud. The Control Officer at Croydon will then advise the aircraft as to the safety of the course proposed having regard to existing traffic conditions, and the aircraft should wait to receive such advice before enter- ing the clouds. (B) ELSEWHERE Aircraft flying in the United Kingdom elsewhere than within the London-Continent Airway Area defined above are asked to observe the following rules: — RAF AREAS IN WEEKDAY USE. R.A.F. AREAS IN CONTINUOUS USE CIVIL AREAS SCALE IN MILES (1) Practice Cloud Flying.—(a) Cloud-flying for practice or instruction should not in any circumstances be carried out below a height of 2,000 ft. above ground level. (b) Civil flying schools and clubs are allotted areas within which their aircraft should normally carry out cloud- Hying practice under the control of the instructor respon- sible for flying training; these areas, hereinafter referred to as " Civil Areas," are detailed in Appendix I, and are shown on the map published herewith. Other aircraft should not carry out practice or instructional cloud-flying within these areas without obtaining the prior consent of the person in charge of the area concerned. (c) On Mondays, Fridays and Wednesday mornings, civil aircraft are advised to confine all cloud-flying prac- tice within Civil Areas only, as during these times Royal Air Force aircraft may be flying, without notice, in cloud above a height of 2,000 ft. above ground level anywhere in Great Britain (excluding only the Civil Areas and the London-Continent Airway Area). (d) On Tuesdays, Wednesday afternoons, Thursdays and Saturday mornings civil aircraft, unless carrying out cloud- flying practice within a Civil Area, are advised to avoid practice flying in cloud within any of the Royal Air Force areas shown on the map published herewith. (e) During week-ends, i.e., from Saturday noon to Mon- day noon, civil aircraft, unless carrying out cloud-flying practice within a Civil Area, are advised to avoid the Royal Air Force areas shown on the map published here- with as being in continuous use. These areas are also detailed in Appendix II. Notes.—(i) Civil clubs or schools who may, in future, wish to have cloud-flying areas allotted to them, or who may wish to extend or modify the areas already allotted to them, should make application to the Secretary, Air Ministry (C.A. 4), Adastral House, Kingsway, W.C.2. (ii) On application being made to the Secretary, Air Ministry (C.A. 4), Adastral House, Kingsway, W.C.2, civil clubs or schools will be furnished with a copy of the in- structions issued to Royal Air Force units with regard to their cloud-flying areas ; such information may enable further mutually satisfactory arrangements to be made be- tween the civil operator and the Royal Air Force Authority controlling an adjacent area. (2) Cross-Country Flights.—(a) Aircraft engaged on cross- country flights outside the London-Continental Airway Area should, except in emergency, avoid flying in cloud at a greater height above ground level than 2,000 ft. (b) Operators of civil aircraft who maintain, or intend to maintain, a regular service, and whom the above rule may inconvenience, should make application to the Secre- tary, Air Ministry (C.A. 4), Adastral House, Kingsway, W.C.2, in order that special arrangements may be made. APPENDIX 1 CIVIL CLOUD-FLYING AREAS Area No. 1.—Gravesend (Gravesend Aviation, Ltd.). An area N. of the River Thames and within 8 miles of the aerodrome. Area No. 2.—Gatwick (Surrey Aero Club). Area bounded by straight lines joining Crawley, Horsham, Ock- ley and Gatwick. Area No. 3.—Brooklands (Brooklands School of Flying). Area bounded by straight lines joining Brooklands, East- hampstead and Guildford. Area No. 4.—Reading (Reading Aero Club). Area bounded by straight lines joining Reading, Newbury and Basingstoke. Area No. 5.—Hanworth and Heston (National Flying Services, Ltd., and Airwork, Ltd.). Area bounded by straight lines joining High Wycombe, Southall, Weybridge and Henley-on-Thames. Area No. 6.—Stag Lane and Hatfield (de Havilland Air- craft Co., Ltd.). Area bounded by straight lines joining Ashwell, Benington, Chipping Barnet, Kingston, Tring and Leighton Buzzard. Area No. 7.—Hamble (Air Service Training, Ltd.). Area bounded by straight lines joining Salisbury, Winchester, Hamble and Ringwood. Area No. 8.—Filton (501 Squadron, R.A.F., and Bristol Aeroplane Club). Area bounded by straight lines joining Wotton-under-Edge, Wickwar, Thornbury and Berkeley. 203
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