IFR: Operating limitations

This regulation sets the ground rules for Part 135 operators conducting IFR flights outside controlled airspace or at airports without instrument approaches.

The basic rule: You cannot operate IFR outside controlled airspace or at airports lacking approved instrument approach procedures.

The exceptions:

The FAA may authorize operations outside controlled airspace if the operator demonstrates precise navigation capability (within 5 degrees or 5 miles of track) and safe operations.

Operators can also fly IFR outside controlled airspace when necessary to conduct an instrument approach, execute a missed approach into controlled airspace, or depart IFR from an airport that has an approach procedure.

Finally, the FAA may approve IFR departures from airports without instrument approaches if deemed necessary and safe—but this doesn't authorize IFR approaches to those airports.

All these exceptions require specific approval in the operator's operations specifications.

*This is a plain-English summary for study only. The official 14 CFR text on this page is controlling — always read the current regulation and consult a CFI.*