What is the primary condition for reporting when leaving the Final Approach Fix (FAF) inbound?

The primary condition for reporting when leaving the Final Approach Fix (FAF) inbound is based on the requirement for compulsory reporting points. When an aircraft passes the FAF, it is crucial for pilots to report this position to air traffic control to confirm their status and position in the approach sequence. This is essential for maintaining safe separation between aircraft and for ensuring that traffic management is effectively conducted, particularly in busy terminal airspace.

In the context of IFR (Instrument Flight Rules) operations, the FAF serves as a designated point where the approach becomes critical, and reporting at this juncture aids in situational awareness for both the pilot and ATC. Understanding this requirement aligns with the standards set by the FAA and ensures compliance with procedure. This is why marking the FAF as a compulsory reporting point is vital for effective communication and safety during the approach phase.