Are Remote Control Cars Allowed on Airplanes? TSA and LiPo Rules
Yes, remote control cars are allowed on airplanes in both carry-on and checked luggage. The batteries are what’s regulated: lithium batteries (LiPo, Li-ion) up to 100 Wh are allowed, 101–160 Wh need airline approval (maximum two spares per person), and anything over 160 Wh is prohibited. Spare batteries not installed in the car must go in carry-on, with terminals protected. Here’s how to work out watt-hours and pack an RC car for a flight.
By Kyle HilsonUpdated: October 20264 min read
The battery rules in short
| Battery | Carry-on | Checked | Notes |
|---|---|---|---|
| Lithium up to 100 Wh, spare | Yes | No | Terminals protected; most RC packs fall here |
| Lithium 101–160 Wh, spare | With airline approval | No | Max two spares per person |
| Lithium over 160 Wh | No | No | Ship by ground freight instead |
| Lithium installed in the car | Yes | Rules vary by airline | Must be secured and protected from turning on |
| NiMH / alkaline AA | Yes | Yes | Protect from short circuit |
US rules from TSA and the FAA; most airlines worldwide follow the same IATA limits, but check your airline before you fly.
How to calculate watt-hours
Watt-hours = voltage × amp-hours. Use the nominal voltage (3.7 V per LiPo cell) and capacity in Ah (mAh ÷ 1000).
| Pack | Calculation | Wh | Rule |
|---|---|---|---|
| 2S 5000 mAh | 7.4 V × 5.0 Ah | 37 Wh | OK in carry-on |
| 3S 5000 mAh | 11.1 V × 5.0 Ah | 55.5 Wh | OK in carry-on |
| 4S 6700 mAh | 14.8 V × 6.7 Ah | 99.2 Wh | Just under 100 Wh |
| 6S 5000 mAh | 22.2 V × 5.0 Ah | 111 Wh | Airline approval needed |
| 6S 8000 mAh | 22.2 V × 8.0 Ah | 177.6 Wh | Prohibited |
Many packs print the Wh value on the label; if not, write it on so security staff can see it quickly.
How to pack an RC car for a flight
- Remove the battery from the car if possible and carry it in your carry-on.
- Protect terminals: keep packs in a LiPo bag, cap or tape the plugs, one pack per bag.
- Discharge to storage voltage (about 3.8 V per cell); it’s safer and better for the pack.
- Pack the car in a padded case; remove the body or antenna if they might break.
- Tools: small screwdrivers under 7 in are usually allowed in carry-on in the US, but knives and larger tools must go in checked bags.
- Never travel with damaged or swollen packs (swollen LiPo guide).
Nitro and gas RC cars
Fuel (nitro fuel, petrol) is not allowed in any luggage. Engines and fuel tanks that have contained fuel are often refused too, even if empty, because of fumes. Drain, clean and air out tanks thoroughly, or ship the car separately. Check with the airline before you travel.
At your destination
- Bring a charger that works on local voltage (most hobby chargers with external power supplies accept 100–240 V) and a plug adapter.
- Check local rules for driving in parks and public places.
- Buy batteries locally for long trips if your packs are near the limit.
FAQ
Can I bring an RC car in my carry-on?
Yes. Remove the LiPo battery if possible and carry it with the terminals protected.
Can LiPo batteries go in checked luggage?
Spare LiPos can’t. Batteries installed in a device have different rules; most RC flyers carry them in the cabin.
How many LiPo batteries can I take on a plane?
Packs up to 100 Wh: no fixed TSA limit for personal use, though airlines may set one. 101–160 Wh: up to two spares with airline approval.
Can I bring an RC drone or plane too?
Yes, the same battery rules apply. Check drone rules at your destination before flying.
More on this topic: the complete RC Airplanes guide covers the basics behind this article.
About 20 years in RC. Mostly boats in the NAVIGA Mini Eco Expert class, with many self-made parts; also a King Motor Baja 5B, a home-built electric plane, home-built nitro planes he has flown, and an RC helicopter. More about SwellRC
