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17
Attention is drawn to the necessity of using a positivemethod, such as
suitablewater-detecting paste or paper, in testing for thepresenceof free
water since sensory perceptions of colour and smell, if used alone, can
be quitemisleading. In the case of turbine fuels, attention is also drawn to
the necessity ofwatching for signs of cloudiness or other indication of the
presence of suspendedwater dropletswhichwill not necessarily be detected
by a positivemethod.
All fuel shall be strained or filtered for the removal of freeor suspendedwater
andother contaminatingmatter before entering the aircraft tanks. Attention
is drawn to the special standards of filtrationwhichmay be specified by the
manufacturers of certain types of engines e.g. turbine engines anddirect-
injectionpistonengines.
LOCATIONOFAIRCRAFT
During fuellingoperations, the aircraft andground fuellingequipment shall be
so located that no fuel tank filling points or vent outlets lie:
• within5metres (17 ft) of any sealed building;
• within6metres (20 ft) of other stationary aircraft;
• within15metres (50 ft) of any exposed public area;
• within15metres (50 ft) of any unsealed building in the case of aircraft
with amaximum take-offweight inexcess of 5700 kg (12,566 lb), and
• within9metres (30 ft) of any unsealed building in the case of aircraftwith
amaximum take-offweight not exceeding 5700 kg (12,566 lb).
Notwithstanding the contents of the above paragraph, limited fuelling
operations formaintenance purposesmay be carried out in certain hangars
under the following conditions:
• refuelling or defuelling of gasoline orwide-cut gasoline type turbine fuel is
not permitted;
• overwing fuelling is not permitted;
• these operations shall not be permitted in hangars occupied by twoor
more tenants; and
refuelling
1 — P I LOT RESPONS I B I L I T I ES