838 

49 CFR Ch. I (10–1–18 Edition) 

§ 175.75 

loaded in an accessible manner. Addi-
tionally, a package is considered acces-
sible when transported on a cargo-only 
aircraft if it is: 

(i) In a cargo compartment certified 

by FAA as a Class C aircraft cargo 
compartment as defined in 14 CFR 
25.857(c); or 

(ii) In an FAA-certified freight con-

tainer that has an approved fire or 
smoke detection system and fire sup-
pression system equivalent to that re-
quired by the certification require-
ments for a Class C aircraft cargo com-
partment. 

(2) 

Inaccessible 

means all other con-

figurations to include packages loaded 
where a crew member or other author-
ized person cannot access, handle, and, 
when size and weight permit, separate 
such packages from other cargo during 
flight, including a freight container in 
an accessible cargo compartment when 
packages are loaded in an inaccessible 
manner. 

(e) For transport aboard cargo-only 

aircraft, the requirements of para-
graphs (c) and (d) of this section do not 
apply to the following hazardous mate-
rials: 

(1) Class 3, PG III (unless the sub-

stance is also labeled CORROSIVE), 
Class 6.1 (unless the substance is also 
labeled for any hazard class or division 
except FLAMMABLE LIQUID), Divi-
sion 6.2, Class 7 (unless the hazardous 
material meets the definition of an-
other hazard class), Class 9, articles of 
Identification Numbers UN0012, 
UN0014, or UN0055 also meeting the re-

quirements of § 173.63(b) of this sub-
chapter, articles of Identification Num-
bers UN3528 or UN3529, and those 
marked as a Limited Quantity or Ex-
cepted Quantity material. 

(2) Packages of hazardous materials 

transported aboard a cargo aircraft, 
when other means of transportation 
are impracticable or not available, in 
accordance with procedures approved 
in writing by the FAA Regional Office 
in the region where the operator is cer-
tificated. 

(3) Packages of hazardous materials 

carried on small, single pilot, cargo 
aircraft if: 

(i) No person is carried on the air-

craft other than the pilot, an FAA in-
spector, the shipper or consignee of the 
material, a representative of the ship-
per or consignee so designated in writ-
ing, or a person necessary for handling 
the material; 

(ii) The pilot is provided with written 

instructions on the characteristics and 
proper handling of the materials; and 

(iii) Whenever a change of pilots oc-

curs while the material is on board, the 
new pilot is briefed under a hand-to- 
hand signature service provided by the 
operator of the aircraft. 

(f) At a minimum, quantity limits 

and loading instructions in the fol-
lowing quantity and loading table must 
be followed to maintain acceptable 
quantity and loading between packages 
containing hazardous materials. The 
quantity and loading table is as fol-
lows: 

Q

UANTITY AND

L

OADING

T

ABLE

 

Applicability Forbidden 

Quantity Limitation: 25 kg 

net weight of hazardous 

material plus 75 kg net 

weight of Division 2.2 

(non-flammable com-

pressed gas) per cargo 

compartment 

No limit 

Passenger-carrying aircraft 

Cargo Aircraft Only la-

beled packages.

Inaccessible ......................

Accessible. 

Cargo-only aircraft— ..........
Packages authorized 

aboard a passenger-car-
rying aircraft.

Not applicable ...................

Inaccessible (Note 1) ........

Accessible (Note 2). 

Cargo-only aircraft— ..........
Packages not authorized 

aboard a passenger-car-
rying aircraft and dis-
playing a Cargo Aircraft 
Only label.

Inaccessible (Note 1) ........

Not applicable ...................

Accessible (Note 2). 

Note 1: 

The following materials are not subject to this loading restriction— 

a. Class 3, PG III (unless the substance is also labeled CORROSIVE). 

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