Definition
The standardized actions, communications, and reporting requirements a pilot performs during the cruise portion of an IFR flight — that is, after departure climb-out and before arrival. En route procedures include making required position reports, complying with ATC clearances and route changes, monitoring the assigned frequency, navigating along the cleared route, and reporting items such as altitude changes, weather, malfunctions, and inability to maintain the cleared altitude or airspeed.
Plain English
These are the things a pilot is expected to do during the middle part of an IFR flight — between climbing out and starting the approach. It covers talking to ATC, staying on the cleared route, reporting position when required, and letting controllers know about anything that affects the flight.
Context Anchor
Seen in instrument flight training and FAA guidance for position reports while the aircraft is between departure and arrival.
Derivation
En route' comes from French, meaning 'on the way.' In aviation, it refers specifically to the cruise segment — the part of the flight between leaving the departure environment and entering the arrival environment.
Why Pilots Care
Maintains separation from other traffic and ensures timely updates from air traffic control.
Intuition Check
Do not read “procedures” here as casual tips. En route procedures are the expected steps and reports used while the flight is between departure and arrival.
Example Sentence 1
After leveling off at the cruise altitude, the pilot transitioned into en route procedures, monitoring the assigned center frequency and preparing to make the next required position report.
Example Sentence 2
Following en route procedures, the crew requested a climb to avoid reported icing.