Instrument Proficiency Check (IPC)

The Instrument Proficiency Check (IPC) is the mechanism in 14 CFR 61.57(d) by which an instrument-rated pilot who has fallen too far out of currency re-establishes the right to act as pilot in command under instrument flight rules. It is not a recurring calendar requirement like a flight review; it is triggered only when the ordinary recent-experience path has closed.

To understand when an IPC becomes mandatory, start with the recent-experience rule in 14 CFR 61.57(c). To fly IFR or in instrument meteorological conditions as pilot in command, a pilot must have performed, within the preceding six calendar months, a defined set of instrument tasks: six instrument approaches, holding procedures and tasks, and intercepting and tracking courses through the use of navigational electronic systems. Perform those within the six-month window and instrument currency is maintained. Let the window lapse, and the pilot enters a grace period: for the following six calendar months, currency can still be regained by completing those same tasks — flown either in actual or simulated instrument conditions with a safety pilot, or in an appropriate flight simulation training device. No instructor sign-off is required to use the grace period.

Once more than six calendar months have passed with the tasks unmet — roughly twelve months from the last time the pilot was current, counting the six months of currency plus the six-month grace period — that self-service route closes. From that point, 14 CFR 61.57(d) provides that instrument currency may be re-established only by completing an Instrument Proficiency Check. The IPC must cover the areas of operation and tasks contained in the applicable Instrument Rating Airman Certification Standards for the rating held, so in practice it is a structured evaluation across approaches, holds, navigation, partial-panel and emergency procedures, and instrument-departure and arrival work — closer to a checkride in scope than to a quick currency flight.

The IPC may be administered by a limited set of qualified people: an authorized instructor (in general aviation, most often a Certified Flight Instructor-Instrument, or CFII), a Designated Pilot Examiner, or a company check pilot authorized to conduct instrument flight checks under Part 121, 125, or 135, or under Subpart K of Part 91. A pilot passing an IPC logs it with an endorsement from the person who conducted it. It is worth distinguishing the FAA's IPC from the EASA instrument proficiency check: under EASA, the proficiency check for an instrument rating is a scheduled revalidation event tied to the rating's validity period, whereas the FAA IPC exists specifically to recover lapsed recent-experience currency and has no fixed calendar interval of its own.

For a flight school or an instrument training operation, the IPC is both a safety backstop and a recurring line of business. Instrument-rated pilots who fly IFR only occasionally routinely let their currency lapse, and a steady stream of them return needing an IPC before they can file again. A school with CFIIs on staff can turn that predictable demand into scheduled revenue, and can pair the IPC with refresher ground instruction for pilots who have been away from the system for a year or more.

The operational risk is administrative rather than aeronautical: mistaking where a pilot sits on the currency timeline. A pilot who believes they are simply in the grace period, when in fact more than six months have elapsed, may attempt to log currency tasks that no longer count — flying IFR on an invalid basis. Schools that dispatch aircraft into instrument conditions need an accurate, date-driven view of each renter's or member's instrument currency so that the desk knows whether a pilot may self-regain currency or must first complete an IPC.

Aviatize's Training Management module tracks each pilot's instrument recent-experience tasks against the six-month window and flags when a pilot has crossed from the grace period into IPC-required territory, so an instructor or dispatcher never has to reconstruct the timeline by hand. When an IPC is completed, the endorsement and the tasks flown are logged into the pilot's digital record.

Because the check itself is a scheduling and staffing event, Smart Planning & Booking helps a school pair an available CFII with an aircraft or simulator for the IPC, and the Compliance & Auditing module keeps the resulting currency and endorsement records defensible for insurers and inspectors.