Instrument Currency vs Instrument Proficiency Check

Instrument Currency vs Instrument Proficiency Check

Instrument currency vs instrument proficiency check — these two terms have gotten hopelessly tangled in hangar talk, and that confusion has landed more than a few pilots in a legally uncomfortable spot on the ramp. I know because I was one of them. Came back from a three-month work assignment, assumed I was still current because I’d logged a handful of approaches before leaving, and my CFII needed roughly forty-five seconds to show me I wasn’t. That ground conversation was infinitely better than the alternative. Here’s the actual distinction, spelled out plainly.

What Instrument Currency Actually Means

But what is instrument currency? In essence, it’s a legal threshold defined under FAR 61.57(c). But it’s much more than just a checkbox. To act as pilot in command under IFR — or in IMC — you must have logged within the preceding six calendar months:

  • Six instrument approaches
  • Holding procedures and tasks
  • Intercepting and tracking courses through navigational systems

Six calendar months means exactly that. Last qualifying approach logged on March 15th? Your window runs through September 30th — end of the month, not March 15th plus 180 days. That calendar-month lookback trips people up constantly. Don’t make my mistake.

The approaches can be logged in actual IMC, under the hood with a safety pilot, or in a certified flight simulator or training device. They don’t have to be in the same aircraft category or class you’re flying now, provided the category and class match what the regs require for your specific operation.

Currency is a legal line drawn in regulatory sand. Full stop. It says nothing about whether you can actually fly an ILS to minimums in hard IMC after sitting on the ground for three months. The FAA said: meet this minimum, and you’re legally permitted to go. Whether you’re genuinely sharp is an entirely separate question.

What an Instrument Proficiency Check Actually Requires

An IPC isn’t something you opt into — the calendar triggers it. Let your currency lapse past the second six-month window and you cannot log approaches in a sim on Tuesday and legally fly IFR on Wednesday. You need an Instrument Proficiency Check administered by a CFII or an FAA-authorized check airman. That’s the rule.

Stumped by what the IPC actually covers, a lot of pilots assume it’s a quick sign-off after a few approaches. It isn’t. The IPC is evaluated against the Instrument ACS — the Airman Certification Standards — the same document used on an initial instrument checkride. That means:

  • Preflight planning and weather analysis
  • Instrument flight, including partial panel
  • Navigation systems and approaches — precision and non-precision
  • Holding patterns
  • Emergency operations
  • Postflight procedures

A thorough CFII runs you through the full task list. Mine used a Redbird FMX full-motion sim for most of it — about two hours at roughly $95/hour for the box alone, plus instruction time on top of that. Not cheap. But the IPC isn’t a formality, and any instructor treating it as one is doing you a genuine disservice.

Complete the IPC successfully and the instructor logs it, provides a written endorsement, restores your legal instrument currency, and resets your six-month clock from that date. Clean slate.

Currency vs Proficiency — The Key Differences

Probably should have opened with this section, honestly. Here’s the core breakdown:

Currency Instrument Proficiency Check
Legal requirement under FAR 61.57(c) Skills evaluation against ACS standards
Self-administered — you log your own approaches Administered by a CFII or authorized check airman
Maintained by logging 6 approaches, holds, and tracking within 6 calendar months Required when currency has lapsed beyond the 12-month window
No instructor endorsement required Requires a written endorsement in your logbook
Resets automatically when logging requirements are met Resets the clock and restores legal currency on completion

The single most important line in that table: currency is self-certified. You review your logbook, confirm the numbers, and you’re legal. The IPC puts a qualified set of eyes on your actual flying — hands on controls, brain under pressure. Those are fundamentally different things. That’s what makes the distinction endearing to us instrument pilots who actually care about surviving the flight.

The Gray Zone — Months 7 Through 12

This is the section that confuses most instrument-rated pilots. Understandably so, because the reg creates a genuinely odd middle state — legally ambiguous territory most people stumble into accidentally.

When your six-month currency window closes without meeting the requirements, you do not immediately need an IPC. There’s a second six-month window — months seven through twelve — during which you can still log the required approaches and holds to restore your own currency. Sounds reasonable. Here’s the catch.

During that grace period, you cannot act as PIC under IFR or in IMC. You are not current. You can still fly. You can log approaches under the hood with a safety pilot. You can use a sim. But filing and flying IFR as PIC? Off the table until you’ve met the logging requirement again.

I’m apparently someone who learned this the hard way during a cross-country that turned ugly, and “I thought I had a few more weeks” works for me as a personal lesson while it never works as a defense the FAA finds compelling. Check the dates before you file.

If the second six-month window closes — twelve full months since you last met the currency requirements — logging approaches no longer helps. An IPC is required before you fly IFR again. No exceptions. No shortcuts. No grey area left.

So, without further ado, here’s the timeline laid out cleanly:

  1. Months 1–6: Meet logging requirements, you’re current and legal.
  2. Months 7–12: Can log approaches to restore currency, but cannot act as IFR PIC until requirements are met.
  3. Month 13 and beyond: IPC required before any IFR flight as PIC.

When to Just Schedule the IPC and Move On

Here’s the practical advice — at least if you want to skip the mental overhead. If your currency has drifted into the gray zone, schedule the IPC instead of scrambling to log six approaches under the hood before your next flight. Tracking your exact status, explaining it to a passenger, second-guessing yourself on the ramp — none of that is worth it.

Get the IPC if any of these apply:

  • You haven’t flown IFR in more than three months, even if technically still current
  • Your last approaches were in a different aircraft type than what you’re flying now
  • You’re planning flight into actual IMC after a significant gap
  • You feel uncertain when mentally running through an ILS setup

A few hours with a CFII in a sim — expect somewhere between $300 and $600 all-in depending on your area, whether you’re using a Redbird FMX, an AATD, or actual aircraft time — is not a punishment. It’s an operational decision made by a pilot who respects what instrument flying actually demands.

Currency tells the FAA you’ve met a minimum standard. Proficiency tells you whether you’re actually ready. When daylight exists between those two things, close the gap before you launch.

Marcus Reynolds

Marcus Reynolds

Author & Expert

Former U.S. Air Force pilot with 20 years of commercial aviation experience. Marcus flew Boeing 737s and 787s for major carriers before transitioning to aviation journalism. He specializes in pilot training, aircraft reviews, and flight safety analysis.

59 Articles
View All Posts

Stay in the loop

Get the latest aviation news updates delivered to your inbox.