What is necessary for IFR enroute and terminal navigation?

For IFR enroute and terminal navigation, it is crucial that the database currency or waypoint accuracy is verified. This is because modern aircraft navigation systems rely heavily on databases that contain information about waypoints, airways, and other essential navigation data. If these databases are not current or if there are inaccuracies in the waypoints, it can lead to navigational errors, affecting safety and compliance with IFR procedures. It is the pilot's responsibility to ensure that the navigation database is updated and accurately reflects the current airspace structure.

While experience in the area can be beneficial for situational awareness, it does not replace the need for accurate navigational data. Likewise, the weight of the aircraft related to fuel does not directly impact the basic navigation requirements for IFR operations. The assertion that another pilot must confirm the route may provide an additional layer of safety but is not a fundamental requirement for IFR navigation. Thus, verifying the currency and accuracy of waypoints is a critical step to ensure safe and efficient IFR operations.