[rconti]

The article said that as well. Although, oddly, it says "when they're in trouble.."

>New aircraft must broadcast their locations every minute when they’re in trouble, but only from January 2021. A gradual tightening of requirements starts in November, when airlines must track planes every 15 minutes under regulations adopted by the United Nations’ International Civil Aviation Organization.

[Maxious]

There's already in many areas a requirement for aeroplanes to provide ADS-C via Inmarsat satellite updates at 15 minute intervals so that makes it easy to regulate (just increased cost making it global) https://www.aviationtoday.com/2015/09/25/ads-c-makes-increas...

The in distress technology isn't locked down yet but one option is increasing the capabilities of the existing distress beacons standards http://insidegnss.com/the-cospas-sarsat-meosar-system/