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Aviation History
1948
1948 - 0657.PDF
MAY 13TH, 1948 FLIGHT 515 Su/zer centrifugal pumps, harnessed to Ford V-8 engines are forcing petrol through pipes on the ground and the wicks the scene during the test-burn of the Haigill Fido installation at Blackbushe last Thursday. The Blackbushe Fido on Test : For Emergency Use Only: Ministry Reserve Right of Investigation *NY time now an M.C.A. Notice to Airmen will an- /\ nounce that Blackbushe, like the R.A.F. airfield / X at Manston, has become available for emergency landings by civil or Service aircraft with the aid of the Fido fog dispersal system. Hitherto Manston has had the only peacetime Fido operational in the U.K. A previous Notice to Airmen—No. 311 of the year 1947 —sets out essential information con- cerning authority and procedure, cost, availability, layout, etc. This docu- ment lays down that Fido facilities will be provided only (a) when, owing to a sudden widespread deterioration in weather, an aircraft having passed its point of no return, is unable to reach an airfield outside the fog- affected area; and (b) when an air- craft is in a state of emergency and nrust effect a landing quickly within the area affected by fog. Fido, it is stressed, is strictly an emergency facility, and its operation is very mstly. The fact that Fido is avail- able must in no way influence opera- tors to undertake flights that are un- likely to terminate at an airfield fit for visual approach or for normal in- strument landings, and the Minister The early stages of a Fido burn are marked ty billowing smoke which soon disperses as the system gits in "Flight" yliotoqrnv reserves the right to investigate each case in which Fido is operated. It is not, perhaps, generally appreciated that no extra charge, over and above the normal landing fee, will be made for Fido in cases of genuine emergency ; but should investigation show that trie emergency 'could have been avoided by sound planning or airmanship, the operator
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