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You can do a lot with an instrument rating and appropriately equipped aircraft-slice through clouds, take-off zero-zero and fly VOR, ILS, GPS and even (if you care) NDB approaches. None of these operations require special qualifications beyond the instrument rating. For example, many of us got instrument ratings before GPS, yet were authorized to fly GPS approaches. But, there are things an instrument-rated pilot cant do, even with certified equipment. Wanna fly a CAT II approach? Sorry. How about an ILS CAT I SA or RNAV (RNP)? Nope, cant do those either. What gives?

Gemini Sparkle

Key Takeaways:

  • Instrument-rated pilots are restricted from flying certain advanced procedures like ILS CAT I SA and RNAV (RNP) approaches, even with appropriately equipped aircraft.
  • The FAA imposes these restrictions either through direct regulations or by classifying procedures as "nonstandard," which requires explicit authorization beyond a standard instrument rating.
  • These "nonstandard" approaches incorporate specialized features like heads-up displays or complex radius-to-fix (RF) legs and reduced obstacle clearance, leading the FAA to limit general access primarily due to concerns about pilot training.
See a mistake? Contact us.

You can do a lot with an instrument rating and appropriately equipped aircraft—slice through clouds, take-off zero-zero and fly VOR, ILS, GPS and even (if you care) NDB approaches. None of these operations require special qualifications beyond the instrument rating. For example, many of us got instrument ratings before GPS, yet we’re authorized to fly GPS approaches. But, there are things an instrument-rated pilot can’t do, even with certified equipment. Wanna fly a CAT II approach? Sorry. How about an ILS CAT I SA or RNAV (RNP)? Nope, can’t do those either. What gives?

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