FAA Flight Plan Form
The flight will enter international airspace (including Oceanic airspace controlled by FAA facilities)
The flight expects routing or separation based on Performance Based Navigation, e.g. RNAV 1
The flight will enter RVSM airspace
The flight expects services based on ADS-B
An ICAO format flight plan must be used when:
Source: FAA
See also:
FAA Flight Plan Form
ICAO Model Flight Plan Form
ATS Flight Plan
Operational flight plan