OBSTACLE DEPARTURE PROCEDURE (ODP)
Pilot/Controller Glossary with JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov
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.
See IFR TAKEOFF MINIMUMS AND DEPARTURE PROCEDURES; STANDARD INSTRUMENT DEPARTURE (SID).
Refer to AIM.
Also called ODP.