Pipeline and Haz. Matls. Safety Admin., DOT
that is contaminated with a hazardous
material or appears to be leaking.
(d) If a package containing a material in Division 6.2 (infectious substance) is found to be damaged or leaking, the person finding the package
must:
(1) Avoid handling the package or
keep handling to a minimum;
(2) Inspect packages adjacent to the
leaking package for contamination and
withhold from further transportation
any contaminated packages until it is
ascertained that they can be safely
transported;
(3) Comply with the reporting requirement of SectionSection 171.15 and 175.31 of this
subchapter; and
(4) Notify the consignor or consignee.

Subpart C - Specific Regulations
Applicable
According
to
Classification of Material
Section 175.310 Transportation of flammable
liquid fuel; aircraft only means of
transportation.
(a) When other means of transportation are impracticable, flammable
liquid fuels may be carried on certain
passenger and cargo aircraft as provided in this section, without regard to
the packaging references and quantity
limits listed in Columns 7, 8 and 9 of
the Section 172.101 Hazardous Materials Table.
All requirements of this subchapter
that are not specifically covered in this
section continue to apply to shipments
made under the provisions of this section. For purposes of this section  - impracticable -  means transportation is
not physically possible or cannot be
performed by routine and frequent
means of other transportation, due to
extenuating circumstances. Extenuating circumstances include: conditions precluding highway or water
transportation, such as a frozen vessel
route; road closures due to catastrophic weather or volcanic activity;
or a declared state of emergency. The
desire for expedience of a shipper, carrier, or consignor, is not relevant in determining whether other means of
transportation are impracticable. The
stowage requirements of Section 175.75(a) do
not apply to a person operating an aircraft under the provisions of this section which, because of its size and con-

Section 175.310

figuration, makes it impossible to comply.
(b) A small passenger-carrying aircraft operated entirely within the
State of Alaska or into a remote area,
in other than scheduled passenger operations, may carry up to 76 L (20 gallons) of flammable liquid fuel (in Packing Group II or Packing Group III),
when:
(1) The flight is necessary to meet
the needs of a passenger; and
(2) The fuel is carried in one of the
following types of containers:
(i) Strong tight metal containers of
not more than 20 L (5.3 gallons) capacity, each packed inside a UN 4G fiberboard box, at the Packing Group II performance level, or each packed inside a
UN 4C1 wooden box, at the Packing
Group II performance level;
(ii) Airtight, leakproof, inside containers of not more than 40 L (11 gallons) capacity and of at least 28-gauge
metal, each packed inside a UN 4C1
wooden box, at the Packing Group II
performance level;
(iii) UN 1A1 steel drums, at the Packing Group I or II performance level, of
not more than 20 L (5.3 gallons) capacity; or
(iv) In fuel tanks attached to flammable liquid fuel powered equipment
under the following conditions:
(A) Each piece of equipment is secured in an upright position;
(B) Each fuel tank is filled in a manner that will preclude spillage of fuel
during loading, unloading, and transportation; and
(C) Fueling and refueling of the
equipment is prohibited in or on the
aircraft.
(3) In the case of a passenger-carrying helicopter, the fuel or fueled
equipment must be carried on external
cargo racks or slings.
(c) Flammable liquid fuels may be
carried on a cargo aircraft, subject to
the following conditions:
(1)(i) The flammable liquid fuel is in
Packing Group II or Packing Group III
except as indicated in paragraph
(c)(1)(iv) of this section;
(ii) The fuel is carried in packagings
authorized in paragraph (b) of this section;
(iii) The fuel is carried in metal
drums (UN 1A1, 1B1, 1N1) authorized for

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