The Federal Aviation Administration (FAA) is reminding drone owners that today is deadline for registering your drone.

If you own a drone weighing more than 0.55 lbs. but less than 55 lbs., and you’ve been flying it outdoors or plan to fly it outdoors for hobby or recreation, federal law requires that it be registered by February 19, 2016.

Registration is simple. You can register online at– it costs only $5 and is valid for three years. Once you complete the registration process, you will receive a certificate and an FAA registration number which must be marked on all unmanned aircraft that meet the registration weight requirement. You must have your certificate with you when you fly. You can print your certificate or save it to your personal electronic device, like your smartphone, or do both.

“Besides being required by law, registration provides an excellent opportunity to educate yourself if you are new to aviation, and it will help you become part of the safety culture that has been the hallmark of traditional aviation for more than a century,” said FAA Administrator Michael Huerta.

More than 342,000 people have already registered. Failure to register with the FAA could result in one or a combination of the following: a civil penalty of up to $27,500; a criminal fine of up to $250,000; imprisonment for up to three years.