How cold does it get in airplane cargo hold?

Many things including bottles containing liquids break when the temperature drops below zero, so the cargo hold is always maintained above freezing; 7°C is typical (source). This applies to both pure cargo aircraft and mixed passenger/cargo airplanes.



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You should have no concerns about temperatures in the cargo hold. According to a 1996 New York Times story, Federal Aviation Administration tests showed that temperatures inside pressurized luggage compartments ranged from 65 to 70 degrees, comparable to passenger compartments.

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The cargo hold is pressurized and temperature controlled, with the temp usually at about 20 degrees colder than the cabin (at altitude).

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Being trapped inside a baggage compartment during a flight is no picnic. The hold is pressurized. There is plenty of oxygen, but some airline cargo holds are not climate-controlled, Thompson said.

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Pets are placed in a climate-controlled, pressurized compartment below the aircraft cabin and kept separate from luggage and other cargo.

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Doing your pre-start scan, the temperature controller for the cargo holds is usually just left at 12 o'clock. That should result in a zone temperature of about 15C.

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Your pet dog or cat is secured inside their IATA-compliant crate before boarding the flight. Most airlines ensure your pet boards and disembarks the aircraft on priority. The cargo hold has a special area for pets, and your pet's crate is secured in the plane in its designated space.

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To test it, a thermometer on a thin rope should be lowered into the cargo hold through specially constructed temperature measuring pipes. These should have holes at regular intervals and reach almost to the bottom of the cargo hold.

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Cargo travel is stressful for any pet, young or old. Senior pets, pets prone to anxiety, or those in general poor health are at increased risk of heart failure during travel.

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CRATE TRAIN YOUR DOG. Keep the travel crate in a well-trafficked part of your home with the door open, and encourage your dog to relax, sleep, and play in the crate during the day. The more comfortable your dog is in the crate at home, the more relaxed he'll be in there when flying in the hold of the plane.

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The whole process of flying can be stressful for a dog, but those levels of stress can be greatly reduced with a few simple home comforts and reassurances. Ensuring your flight is a non-stop flight rather than one with changeovers can be a huge benefit to your dog, as can looking to travel at a suitable time.

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The cargo hold is pressurized and temperature controlled, with the temp usually at about 20 degrees colder than the cabin (at altitude).

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Typically, cargo fire suppression systems have an initial high-rate knockdown discharge, followed by a low-rate metered discharge of Halon 1301, designed to keep the fire suppressed for continued safe flight and landing at the nearest suitable airport. Halon can be discharged into the forward or aft cargo compartment.

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Based on the information provided by the detection warnings, flight crew initiate the suppression of any fire by discharge of Halon gas into the affected cargo compartments. Halon is a very effective suppression agent which operates by chemically reacting with the radicals generated by a fire, to inhibit the reaction.

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It's not all bad news when flying in winter weather: in fact, planes actually fly better in extreme cold than they do in extreme heat. This is because cold air is denser than hot air – this density ultimately leads to more power, and therefore more thrust and lift.

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