Jet Fuel comes in a variety
of grade designators, here are the common civilian and military
grades in use today. Jet-A - a narrow cut kerosene product.
This is the standard commercial and general aviation grade
available in the United States. It usually contains no additives
but may be additized with a anti-icing chemicals. Jet-A1 -
is identical to Jet-A with the exception of freeze-point.
Used outside the US and is the fuel of choice for long haul
flights where the fuel temperature may fall to near the freeze
point. Often contains a static dissipator additive. Jet-B
- is a wide cut kerosene with lighter gasoline type naphtha
components. Used widely in Canada, contains static dissipator
and has a very low flash point. JP-4 is a military designation
like Jet-B but contains a full additive package including
corrosion inhibitor, anti-icing and static dissipator was
the primary fuel of the United States Air Force for decades
but is being phased out in favor of JP-8. JP-5 is another
military fuel. It has a higher flash point (140 F min.) and
was designed for use by the USNavy on board aircraft carriers.
It contains anti-ice and corrosion inhibitors. JP-8 is like
Jet-Al with a full additive package. The USAF plans conversion
to this product by the year 2000.