49 CFR Part 192 Subpart E | Regulus49 CFR 192.221Regulationcurrent 49 CFR 192.225Regulationcurrent 49 CFR 192.227Regulationcurrent 49 CFR 192.229Regulationcurrent 49 CFR 192.231Regulationcurrent 49 CFR 192.233Regulationcurrent 49 CFR 192.235Regulationcurrent 49 CFR 192.241Regulationcurrent 49 CFR 192.243Regulationcurrent 49 CFR 192.245Regulationcurrent 
RegulusPipeline research