background image

862 

49 CFR Ch. I (10–1–23 Edition) 

§ 175.34 

aircraft operator must make imme-
diately available to an authorized offi-
cial of a Federal, State, or local gov-
ernment agency (which includes emer-
gency responders), the documents or 
information required to be retained by 
this paragraph (c). 

(5) Specify the personnel to be pro-

vided the information required by para-
graph (a) of this section in their oper-
ations manual and/or other appropriate 
manuals. 

(d) The information required by para-

graph (a) of this section and the ship-
ping paper required by (c)(1) of this sec-
tion may be combined into one docu-
ment. 

[83 FR 52899, Oct. 18, 2018, as amended at 85 
FR 27899, May 11, 2020] 

§ 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) 

Hazardous materials stowage. 

(1) 

Except as otherwise provided in this 
subchapter, no person may carry a haz-
ardous material in the cabin of a pas-
senger-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. 

(2) Hazardous materials may be car-

ried in a main deck cargo compartment 
of a passenger aircraft provided that 
the compartment is inaccessible to 
passengers and that it meets all certifi-
cation requirements for: a Class B air-
craft cargo compartment in 14 CFR 
25.857(b); or a Class C aircraft cargo 
compartment in 14 CFR 25.857(c). 

(3) A package bearing a ‘‘KEEP 

AWAY FROM HEAT’’ handling mark-
ing must be protected from direct sun-
shine and stored in a cool and venti-
lated place, away from sources of heat. 

(4) Except as provided in paragraph 

(f) of this section, a package con-
taining a hazardous material accept-
able for cargo-only aircraft must be 
loaded in an accessible manner. 

(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