Aero-Terms are designed to be a daily reminder of the terms,
names, acronyms and explanations of the unique language that
populates the aviation world. Aerospace, sport aviation, fixed
wing, helo, you name it... it's all fair game.
Aero-Terms should serve as a quick but intriguing reminder of
the terms you may use every day, or an introduction to an aspects
of the Aero-World you may not yet be familiar with. ANN also
encourages readers to go beyond the FMI link, and further research
any intriguing terms.
A preplanned instrument flight rule (IFR) departure procedure
printed for pilot use in textual or graphic form to provide
obstruction clearance via the least onerous route from the terminal
area to the appropriate en route structure. ODPs are recommended
for obstruction clearance and may be flown without ATC clearance
unless an alternate departure procedure (SID or radar vector) has
been specifically assigned by ATC.