The NOTAM failure led to around 10,000 flights being delayed.
Planes across the country were halted as the Federal Aviation Administration (FAA) said it experienced a system outage.
The agency reportedly started an investigation in response.
It turns out the FAA isn't actually allowed to have a drone registry, so the agency is offering to refund your money and expunge your data from the record.
Ostensibly enacted to improve safety, the requirement that recreational drone pilots register their craft with the FAA is nevertheless unlawful, a court ruled.
The FAA's new Part 107 rule goes into effect, easing regulations for commercial operators of unmanned aircraft systems.
The U.S. Federal Aviation Administration said on Wednesday it is proposing $130,000 in civil fines against the ecommerce giant for two new violations of shipping products.
The use of drones for deliveries from companies such as Amazon and Alphabet, however, will require separate regulation.
The penalty is the largest fine the FAA has proposed imposing on Amazon, which the agency said has had a series of at least 24 hazardous materials violations in recent years.
Most will be used for industrial inspection and real estate photography, it expects.
FAA chief Michael Huerta says new rules and tools for drones are being developed faster than skeptics thought possible.
Authorization to fly over people would be vital to the kind of package delivery services envisioned by Amazon.com Inc. and Alphabet Inc.'s Google.
The FAA has warned drone owners that 'deadly force' may be used if they violate a 32-mile no-fly zone around Levi's Stadium this Sunday.
If you get an unmanned aircraft system in your stocking this year, the FAA wants to know about it.
Amazon's drone-delivery service may be a little fanciful, but it looks as if another company is working to make something similar to it a reality.