What is the minimum altitude for VFR in the UK?

In accordance with SERA. 5005 (c)(5), VFR flights in the United Kingdom at night may be flown below a level which is at least 300 M (1000 FT) above the highest obstacle located within 8 KM of the estimated position of the aircraft subject to the conditions at paragraph (e).



In the United Kingdom, the minimum altitude for Visual Flight Rules (VFR) is governed by the "Standardised European Rules of the Air" (SERA). Generally, except for taking off and landing, you must not fly closer than 500 feet to any person, vessel, vehicle, or structure. Over "congested areas" of cities, towns, or settlements, the high-fidelity minimum altitude increases to 1,000 feet above the highest obstacle within a 600-meter radius of the aircraft. Pilots must also maintain a high-fidelity "glide clear" altitude, meaning they must always be high enough that, in the event of an engine failure, they can land safely without endangering people or property on the ground. In 2026, with the increasing complexity of drone operations and rural airspace, following these high-fidelity minimums is critical for safety. It is a high-fidelity requirement for pilots to also check specific "Temporary Restricted Areas" or "Prohibited Areas" that may have their own unique altitude floors.

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It states that for each degree off (or displacement) over a distance of 60 nautical miles (NM), it will result in 1 NM off course.

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The semicircular rule (also known as the hemispheric rule) applies, in slightly different version, to IFR flights in the UK inside controlled airspace and generally in the rest of the world. The standard rule defines an East/West track split: Eastbound – Magnetic track 000 to 179° – odd thousands (FL 250, 270, etc.)

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Well, as most of you under the FARs are aware—not to say used to—in the United States it is perfectly legal to fly VFR without any visual contact with the ground. As long as you maintain the minimum VFR requirements regarding visibility and cloud clearances, you are good to go—all you need is a natural horizon.

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Visual Flight Rules (VFR) is an aviation term that refers to fly by visual references. It is formed from of the first letters of the English term. The VFR flight window runs from 30 minutes before sunrise to 30 minutes after sunset.

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