CNATRAINST 1500.4F CH-1
17 NOVEMBER 1999
and incomplete flights (excluding SNFOs, midshipmen, and special
crew hours).
Student Curriculum Flight Hours. The total curriculum hours
flown by students during a reporting period, including warm-ups,
extra time events, and incomplete flights.
Student Instructional Hours. Total instructor hours logged while
instructing students, including lead, chase and tow flight hours,
but excluding hours devoted to IUTs, flight surgeons or
midshipmen.
Student Naval Aviator (SNA). The generic term for a student
naval pilot or student naval flight officer; sometimes used to
identify student naval pilots only.
Total Aircraft Hours.
The total number of aircraft hours flown
during a period.
Total Aviator Hours. The total hours flown by all aviators
during a period, including student instruction, instructor
training, maintenance tests, hurricane fly-away, and hours flown
by administrative billet aviators and IUTs.
Unauthorized Maneuvers. Any maneuver specifically prohibited by
the aircraft NATOPS manual or any maneuver not previously
demonstrated or introduced in the curriculum and not listed as
demonstrate or introduce for the flight being flown. Previously
demonstrated or introduced maneuvers not listed as part of a
specific flight may be flown if pre-briefed. The maneuver may be
flown only from the cockpit in which it was previously
demonstrated or introduced.
Undergraduate Pilot Training (UPT). Training which when
successfully completed leads to designation as a naval aviator.
UMFO.
Undergraduate military flight officer
Unit. A subdivision of a stage comprised of ground instruction
to support a flight or series of flights in a specific stage of
training.
Unsafe for Solo. A judgment by a qualified instructor that a
student is not able to safely take off, fly the required
maneuvers, comply with the course rules, and return an aircraft
without assistance. The comment is appropriate when:
1. A student demonstrates a tendency to fly in a dangerous
manner on any dual flight which is followed by a solo flight.
2. The student requires assistance because of inability to
return and safely land on a solo flight.
G-6
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