# Flanders F.4

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The **Flanders F.4** was a 1910s British experimental military two-seat monoplane aircraft that was designed and built by [Howard Flanders](/source/Howard_Flanders) as a development of the [Flanders F.3](/source/Flanders_F.2).

## Development

Following success with the Flanders F.3 experimental [monoplane](/source/Monoplane) in the spring of 1912, the British [War Office](/source/War_Office) ordered four Flanders monoplanes for use by the newly formed [Royal Flying Corps](/source/Royal_Flying_Corps).[1] The aircraft had the same configuration as the F.3 but was improved with larger cockpits, accommodating a crew of two in tandem, was powered by a 70 hp (52 kW) Renault engine driving a four-bladed propeller[2] and had other modifications to improve reliability and maintainability. The fixed landing gear of the F.3 was improved with the addition of coil-spring suspension. The first aircraft was flying at [Brooklands](/source/Brooklands) by 6 July 1912, with all four flown and delivered to the RFC by 2 January 1913. Testing showed the monoplanes flew well,[3] but following the fatal crashes of a [Deperdussin](/source/Soci%C3%A9t%C3%A9_Pour_L'Aviation_et_ses_D%C3%A9riv%C3%A9s) and a [Bristol-Coanda Monoplane](/source/Bristol-Coanda_Monoplanes) on 6 and 10 September 1912, the Royal Flying Corps had banned the use of monoplanes and the aircraft were not used, with their engines being removed to power [Royal Aircraft Factory BE.2s](/source/Royal_Aircraft_Factory_BE.2).[4][5]

## Operators

- [Royal Flying Corps](/source/Royal_Flying_Corps)

## References

**Notes**

1. Bruce 1982, p. 249.

1. Bruce 1982, pp. 249–250.

1. Bruce 1982, pp. 250–251.

1. Bruce 1982, p. xv.

1. Bruce 1982, p. 251.

**Bibliography**

- Bruce, J.M. *The Aeroplanes of the Royal Flying Corps (Military Wing)*. London:Putnam, 1982. ISBN 0-370-30084-X.
- The Illustrated Encyclopedia of Aircraft (Part Work 1982–1985), 1985, Orbis Publishing

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Adapted from the Wikipedia article [Flanders F.4](https://en.wikipedia.org/wiki/Flanders_F.4) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Flanders_F.4?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.