Frequently Asked Questions

Why is low flying necessary in peacetime?

Events around the world today demonstrate that there is a continuing requirement for well-trained armed forces able to defend our interests at short notice whenever the need arises.

Low flying is a vital element in meeting this. An aircrew’s best chance of survival might lie in flying fast and low, using ground contours to delay detection and screen them from fighter aircraft, missiles and anti-aircraft artillery. Low flying is a highly demanding skill which cannot be learned quickly in an emergency. It is only through progressive training and continuous demanding practice in peacetime, both during the day and at night, that aircrew can acquire and maintain the skills they would need to cope with the additional pressures when flying during operations.

Operations in Iraq and Afghanistan saw aircrew of both fixed and rotary wing aircraft undertaking operations at low level. 

For more information, see:
  Low Flying: the military requirement

Why not practise over the sea or on simulators?

Low flying over a flat and largely featureless sea offers little realistic training for aircrew who, during operations, will generally have to fly over land. We already make maximum use of simulators, particularly in areas such as cockpit procedures, general handling, instrument flying training, and practice for emergencies and wartime procedures which cannot reasonably be carried out in the air. Although simulator technology continues to develop steadily, even the most advanced devices currently available cannot give sufficiently realistic simulation, or impart the necessary physiological or psychological pressures, to provide an acceptable substitute for actual low flying. Developments in simulator technology are monitored closely. In the meantime, they complement, rather than replace, the need for low flying training.

Where is low flying carried out?

We would like to carry out low flying training without disturbing people on the ground. Unfortunately, there are no uninhabited areas of the UK large enough to meet our essential training needs. It is therefore our policy that, in principle, the whole of the UK is used for low flying by military aircraft in order to spread the disturbance as thinly as possible. A number of areas are unavailable because of airspace restrictions, such as the protected airspace surrounding airports, airfields, glider sites and certain industrial sites. Major built-up areas are also avoided. Outside such exclusion zones, it is inevitable that the less populated areas will see some of our low flying training sorties. We try to ensure that low flying is distributed as equitably as practicable, but geographic, climatic and operational factors mean that a truly even distribution will never be possible.

  Distribution & Balance

Tornado GR4

Can low flying aircraft avoid overflying livestock or particular locations?

We receive a great many requests for low flying aircraft to avoid overflying livestock or individual locations. While such requests may seem undemanding, it would be impossible for us to meet our training objectives if we acceded to them all. It is not that we are unsympathetic, but the creation of additional avoidances has the effect of concentrating low flying on other communities where there may be equally compelling sensitivities. For these reasons permanent avoidances can only generally be approved in exceptional circumstances. Nevertheless, we consider all requests we receive on a case-by-case basis. Aircrew do not deliberately set out to overfly livestock and will take avoiding action when this is possible. Unfortunately, it is not always possible to see animals in time to avoid them. Additionally, we have found that by taking such action, aircrew may create more of a disturbance to those on the ground than they would have done if they had continued with the original flight path.

For more information see:
  Low Flying, the Community and the Environment

How much low flying do you do?

The amount of training we carry out is limited to that strictly necessary for aircrew to achieve and maintain operational effectiveness, and is kept under continuous review. This has led to a reduction in recent years, reflecting the changing requirement. In calendar year 1995, a total of 66,569 hours low flying was booked whereas in the training year 2004/2005, 46,678 hours were booked, representing a reduction of 29%. 

For more information, see:
 Distribution & Balance

What measures are taken to reduce disturbance?

We know that military low flying can be intrusive and for this reason a range of measures is taken to minimise disturbance. For example, outside designated areas sorties are normally limited to a minimum height of 250 feet and to speeds of no more than 450 knots, even though aircrew would be required to fly much lower and faster in operational theatres. We carry out the majority of low flying on weekdays, with only non-jet activity in support of reserve forces generally permitted at weekends. Low flying at night is required to be completed as early as possible and only in exceptional cases is jet low flying permitted after 11pm.

For more information see:   Low Flying, the Community and the Environment

Is flying below 250 feet permitted in the UK?

Fixed-wing military aircraft are not generally permitted to fly below 250 feet in the UK. However, it is essential that a core of proficiency at operational heights is achieved by allowing a small amount of flying by fast jet and Hercules aircraft between 250 and 100 feet in three specially designated Tactical Training Areas (TTAs). These are located in relatively sparsely populated parts of northern Scotland, central Wales and the borders areas of southern Scotland/northern England. The volume of this type of training is small even within the TTAs themselves, amounting to about 1% of the total volume of low flying in the UK. As much operational low flying training as possible is carried out overseas, mainly in Canada and the USA.

For more information, see:  Low Flying: the military requirement

Why are helicopters allowed to fly below 250 ft?

Helicopters carry out a wide variety of roles in support of ground forces and at sea. They are, however, relatively slow moving aircraft and therefore particularly vulnerable to attack from the ground. By flying at very low level, they can use the terrain to mask their approach. These techniques require regular and realistic practice if they are to be perfected, and for this reason helicopters can be permitted to train down to ground level. Permission is sought from landowners before landing on private property. Some helicopters also fulfil a vital Search and Rescue role, which must be practised regularly.

Last Updated: 1 Nov 05