This document is intended to provide ATM safety regulators with guidance to deal with situations where SMS is implemented in ATM services provided at aerodromes. The findings and guidance of this document should be considered within the national context and, if applicable, complemented or adapted in the light of aspects related to the specific cases under national consideration. This document includes a mapping between the ICAO provisions on SMS in aerodromes (ICAO Annex 14 SARPs and guidance to States included in the model regulations of Doc 9774) and the safety regulatory requirements established in ESARR 3 Section 5.