Do you know EGAST Leaflet GA7 Using Advanced Navigation Technology Safely? Relevant also for Rotorcraft and VTOL pilots.
https://www.easa.europa.eu/document-library/general-publications/egast-…
Authored at the time by my close Safety Promotion colleague Clement Audard, now Senior Expert Safety Assessment in the EASA Certification Directorate.
Available also in Spanish thanks to AESA.