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The Pilots Desk
US-FAA14 CFR 91.109

Flight instruction; Simulated instrument flight and certain flight tests

Read the official rule

In plain English

An aircraft used for flight instruction must have functioning dual controls (with a limited throwover-wheel exception for instrument instruction). For simulated instrument flight ("hood work"), you need a safety pilot who holds at least a private certificate with the appropriate category/class, the aircraft needs dual controls, and there must be adequate vision forward and to each side (or an observer).

Key points

  • Instructional aircraft must have functioning dual controls (throwover-wheel exception for instrument instruction with a private-or-higher pilot manipulating).
  • Simulated instrument flight requires a safety pilot (≥ private, appropriate category/class).
  • The aircraft needs dual controls and adequate vision for the safety pilot (or a separate observer).

Common pitfalls

  • Logging hood time without a properly rated safety pilot and an adequately equipped aircraft.
Summary: Instructional aircraft need functioning dual controls, and simulated instrument flight requires a qualified safety pilot and adequate vision, with limited throwover-wheel exceptions.
This is an original plain-English explanation for training and reference, not legal advice and not for navigation. Always rely on the current official rule linked above. Last reviewed June 2, 2026.