NIVO
Encyclopedia
NIVO, abbreviated from Night Invisible Varnish Orfordness
, was a dark green
overall finish applied to British
night bomber
aircraft
in the inter-war period (1918-1939).
The finish was devised as a low-visibility colouring for the Royal Air Force
's heavy night bomber force and was applied to Vickers Virginia
s, Handley Page Hyderabad
s and Hinaidi
s, Handley Page Heyford
s and Fairey Hendon
s.
NIVO was phased out in the late 1930s, and had been discontinued by the time of the arrival of the then-new Vickers Wellington
s, Handley Page Hampden
s and Armstrong Whitworth Whitley
s.
Orford Ness
Orford Ness is a cuspate foreland shingle spit on the Suffolk coast in Great Britain, linked to the mainland at Aldeburgh and stretching along the coast to Orford and down to North Wier Point, opposite Shingle Street. It is divided from the mainland by the River Alde, and was formed by longshore...
, was a dark green
Green
Green is a color, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 520–570 nanometres. In the subtractive color system, it is not a primary color, but is created out of a mixture of yellow and blue, or yellow and cyan; it is considered...
overall finish applied to British
United Kingdom
The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...
night bomber
Bomber
A bomber is a military aircraft designed to attack ground and sea targets, by dropping bombs on them, or – in recent years – by launching cruise missiles at them.-Classifications of bombers:...
aircraft
Aircraft
An aircraft is a vehicle that is able to fly by gaining support from the air, or, in general, the atmosphere of a planet. An aircraft counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines.Although...
in the inter-war period (1918-1939).
The finish was devised as a low-visibility colouring for the Royal Air Force
Royal Air Force
The Royal Air Force is the aerial warfare service branch of the British Armed Forces. Formed on 1 April 1918, it is the oldest independent air force in the world...
's heavy night bomber force and was applied to Vickers Virginia
Vickers Virginia
|-See also:-References:NotesBibliography* Andrews, C.F. and E.B. Morgan. Vickers Aircraft since 1908. London: Putnam, 1989. ISBN 0-85177-851-1....
s, Handley Page Hyderabad
Handley Page Hyderabad
|-See also:-Bibliography:* Barnes, C. H. Handley Page Aircraft Since 1907. London: Putnam & Company, Ltd., 1987. ISBN 0-85177-803-8.* Clayton, Donald C. Handley Page, an Aircraft Album. Shepperton, Surrey, UK: Ian Allan Ltd., 1969. ISBN 0-7110-0094-8....
s and Hinaidi
Handley Page Hinaidi
|-See also:-Bibliography:* Barnes, C. H. Handley Page Aircraft Since 1907. London: Putnam & Company, Ltd., 1987. ISBN 0-85177-803-8.* Clayton, Donald C. Handley Page, an Aircraft Album. Shepperton, Surrey, UK: Ian Allan Ltd., 1969. ISBN 0-7110-0094-8....
s, Handley Page Heyford
Handley Page Heyford
The Handley Page Heyford was a twin-engine British biplane bomber of the 1930s. Although it had a short service life, it equipped several squadrons of the RAF as one of the most important British bombers of the mid-1930s, and was the last biplane heavy bomber to serve with the RAF.-Design and...
s and Fairey Hendon
Fairey Hendon
|-See also:-References:NotesBibliography* Crosby, Francis. The World Encyclopedia of Fighters and Bombers. London: Lorenz Books ISBN 0-75481-616-8* Gallop, Alan. Time Flies: Heathrow At 60. Stroud: Sutton Publishing, 2005. ISBN 0-7509-3840-4...
s.
NIVO was phased out in the late 1930s, and had been discontinued by the time of the arrival of the then-new Vickers Wellington
Vickers Wellington
The Vickers Wellington was a British twin-engine, long range medium bomber designed in the mid-1930s at Brooklands in Weybridge, Surrey, by Vickers-Armstrongs' Chief Designer, R. K. Pierson. It was widely used as a night bomber in the early years of the Second World War, before being displaced as a...
s, Handley Page Hampden
Handley Page Hampden
The Handley Page HP.52 Hampden was a British twin-engine medium bomber of the Royal Air Force serving in the Second World War. With the Whitley and Wellington, the Hampden bore the brunt of the early bombing war over Europe, taking part in the first night raid on Berlin and the first 1,000-plane...
s and Armstrong Whitworth Whitley
Armstrong Whitworth Whitley
The Armstrong Whitworth A.W.38 Whitley was one of three British twin-engine, front line medium bomber types in service with the Royal Air Force at the outbreak of the Second World War...
s.