
* Please note that this information applies only to the belly cargo compartment of passenger aircraft and to the belly cargo compartment and main deck of cargo aircraft.
| Q1: |
What is the temperature inside the cargo compartment? |
 |
| A1: |
The cargo compartment temperature during flight varies depending on the season and onboard cargo volume, but is generally as shown below.
Cargo
compartment
(by type) |
Temperature setting (from the cockpit) |
Cargo
compartment
temperature |
 |
| Main deck |
Temperature may be set at one of three levels between 40° - 60°F |
2° - 18°C |
| When temperature is not set |
21° - 27°C |
Belly compartment/
Front compartment |
Temperature cannot be set |
2° - 7°C |
| Rear compartment |
When temperature is set (by turning the air conditioning unit off) |
-6° - 14°C |
| When temperature is not set |
16° - 30°C |
|
*B747 Freighter Aircraft Only. For other aircraft, please find Dimention Guide for detail. |
| Q2: |
Is the cargo compartment ventilated? |
 |
| A2: |
Yes, the cargo compartment is ventilated. The air changes per hour are shown below.
Cargo compartment
(by type) |
During flight |
On the ground |
 |
| Main deck |
10 - 15 |
10 |
Belly compartment
Front compartment |
20 |
10 |
| Rear compartment |
1 - 4 |
0 |
|
*B747 Freighter Aircraft Only. For other aircraft, please find Dimention Guide for detail. |
| Q3: |
What is the humidity inside the cargo compartment? |
 |
| A3: |
The air supplied to each cargo compartment has a humidity of 20% or lower. However, the humidity rises when the temperature in the cargo compartment is low or when a large number of animals is being transported. |
| Q4: |
What is the air pressure inside the cargo compartment? |
 |
| A4: |
The in-flight air pressure in each cargo compartment is about 0.8 atm. |
|