4 ms·
As mentioned in a previous thread on this topic - they don't have to register surveillance blimps, tethered or free-flying. Based on altitude I think.
by comrade1 11y ago
As mentioned in a previous thread on this topic - they don't have to register surveillance blimps, tethered or free-flying. Based on altitude I think.
- fnordfnordfnord 11y agoThey do, they appeared on sectionals as obstacles https://www.federalregister.gov/articles/2010/10/28/2010-27251/revocation-of-restricted-areas-r-3807-glencoe-la-and-r-6320-matagorda-tx https://www.federalregister.gov/articles/2010/10/28/2010-272...