Definition

Verb: - To operate an aircraft without any external visual references, relying entirely on the aircraft's instruments for navigation and control. This is necessary when visibility is zero, such as in clouds, fog, or heavy precipitation.

Usage

This verb phrase is used to describe the specific action of piloting an aircraft using only instrument readings. It is typically used in the context of aviation, training, and weather conditions. - The pilot had to fly blind through the thick storm clouds. - During the simulation, trainees practice how to fly blind safely. - Without the runway lights, landing would be like trying to fly blind.

Advanced Usage

• Metaphorical Use: The phrase can be used metaphorically to describe proceeding with a task without clear information or guidance, operating purely on technical data or instinct.
  • The market was so volatile that the investors felt they were flying blind.
  • Without customer feedback, we're essentially flying blind with this new product design.

Variants and Related Words

• Instrument Flight Rules (IFR): (n.) The set of regulations governing aircraft operation when pilots must fly by reference to instruments.
• Instrument flying: (n.) The practice of controlling an aircraft using only the flight instruments.
• Blind flying: (n.) An older, less common term with the same meaning as "flying blind."

Synonyms

• Navigate by instruments: A more formal phrase with the same literal meaning.
• Operate on instruments: A technical synonym.

Related Phrasal Verbs/Constructions

• Fly by the seat of one's pants: (idiom) To act by instinct and practical experience rather than by instruments or a detailed plan. This is often contrasted with "flying blind," which relies on instruments, not instinct.

Related Idioms

• (As) blind as a bat: (idiom) Having very poor eyesight. While not directly related to aviation, it shares the concept of impaired vision.
• In the dark: (idiom) To be without information or knowledge. This is closely related to the metaphorical use of "fly blind."
  • We're completely in the dark about the company's future plans.

Verb

1. fly an airplane solely by relying on instruments