837 

Pipeline and Haz. Matls. Safety Admin., DOT 

§ 175.75 

be retained by this paragraph. In the 
event of a reportable incident, as de-
fined in § 171.15 of this subchapter, 
make immediately available to an au-
thorized official of a Federal, State, or 
local government agency (including an 
emergency responders), the documents 
or information required to be retained 
by this paragraph. 

(d) The documents required by para-

graphs (a) and (b) this section may be 
combined into one document if it is 
given to the pilot-in-command before 
departure of the aircraft. 

[71 FR 14604, Mar. 22, 2006, as amended at 72 
FR 25177, May 3, 2007; 73 FR 57006, Oct. 1, 2008; 
74 FR 2267, Jan. 14, 2009; 79 FR 46040, Aug. 6, 
2014; 80 FR 1164, Jan. 8, 2015; 82 FR 15892, Mar. 
30, 2017] 

§ 175.34

Exceptions for cylinders of 

compressed oxygen or other oxi-
dizing gases transported within the 
State of Alaska. 

(a) 

Exceptions. 

When transported in 

the State of Alaska, cylinders of com-
pressed oxygen or other oxidizing gases 
aboard aircraft are excepted from all 
the requirements of §§ 173.302(f)(3) 
through (5) and 173.304(f)(3) through (5) 
of this subchapter subject to the fol-
lowing conditions: 

(1) Transportation of the cylinders by 

a ground-based or water-based mode of 
transportation is unavailable and 
transportation by aircraft is the only 
practical means for transporting the 
cylinders to their destination; 

(2) Each cylinder is fully covered 

with a fire or flame resistant blanket 
that is secured in place; and 

(3) The operator of the aircraft com-

plies with the applicable notification 
procedures under § 175.33. 

(b) 

Aircraft restrictions. 

This exception 

only applies to the following types of 
aircraft: 

(1) Cargo-only aircraft transporting 

the cylinders to a delivery destination 
that receives cargo-only service at 
least once a week. 

(2) Passenger and cargo-only aircraft 

transporting the cylinders to a delivery 
destination that does not receive cargo 
only service once a week. 

[79 FR 15046, Mar. 18, 2014] 

Subpart B—Loading, Unloading 

and Handling 

§ 175.75

Quantity limitations and 

cargo location. 

(a) No person may carry on an air-

craft a hazardous material except as 
permitted by this subchapter. 

(b) Except as otherwise provided in 

this subchapter, no person may carry a 
hazardous material in the cabin of a 
passenger-carrying aircraft or on the 
flight deck of any aircraft, and the haz-
ardous material must be located in a 
place that is inaccessible to persons 
other than crew members. Hazardous 
materials may be carried in a main 
deck cargo compartment of a passenger 
aircraft provided that the compart-
ment is inaccessible to passengers and 
that it meets all certification require-
ments for a Class B aircraft cargo com-
partment in 14 CFR 25.857(b) or for a 
Class C aircraft cargo compartment in 
14 CFR 25.857(c). A package bearing a 
‘‘KEEP AWAY FROM HEAT’’ handling 
marking must be protected from direct 
sunshine and stored in a cool and ven-
tilated place, away from sources of 
heat. 

(c) For each package containing a 

hazardous material acceptable for car-
riage aboard passenger-carrying air-
craft, no more than 25 kg (55 pounds) 
net weight of hazardous material may 
be loaded in an inaccessible manner. In 
addition to the 25 kg limitation, an ad-
ditional 75 kg (165 pounds) net weight 
of Division 2.2 (non-flammable com-
pressed gas) may be loaded in an inac-
cessible manner. The requirements of 
this paragraph (c) do not apply to Class 
9, articles of Identification Numbers 
UN0012, UN0014, or UN0055 also meeting 
the requirements of § 173.63(b) of this 
subchapter, articles of Identification 
Numbers UN3528 or UN3529, and Lim-
ited or Excepted Quantity material. 

(d) For the purposes of this section— 
(1) 

Accessible 

means, on passenger- 

carrying or cargo-only aircraft that 
each package is loaded where a crew 
member or other authorized person can 
access, handle, and, when size and 
weight permit, separate such packages 
from other cargo during flight, includ-
ing a freight container in an accessible 
cargo compartment when packages are 

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