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Air Speed Indicators in MPH

The RAF, with the exception of Coastal Command, used MPH throughout WW2 only changing to Knots in 1946/47.

Air Speed Indicator 40-160 MPH - Mk9B 6A/290

Tiger Moth, etc

SOLD OUT - More Wanted

Air Speed Indicator Mk9C 6A/282


Air Speed Indicator Mk9D 6A/415


Air Speed Indicator 60-400 MPH - Mk9E

Fitted to early Mk. Spitfires and all Lancasters

SOLD OUT - More Wanted

Air Speed Indicator 60-480 MPH - Mk9F

Fitted to later Mks of Spitfire

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Air Speed Indicators in Knots

 The Royal Navy used ASIs in Knots during WW2, but the RAF did not, except in Coastal Command. Knots were not adopted by the RAF until 1946/47.


Air Speed Indicator 20-210 Knots - Mk9A* 6A/1543

Low reading ASI suitable for the Tiger Moth and Auster light aircraft.

PRICE: £50

Air Speed Indicator 50-280 Knots - Mk9D* 6A/422

PRICE: £35

Air Speed Indicator 50-350 Knots - Mk9E* 6A/585

Fitted to many WW2 types including the Seafire, Sea Hurricane, Firefly and Barracuda.

PRICE: £35

Air Speed Indicator 50-420 Knots - Mk9F*

Fitted to the Firefly, Seafire, and Hornet during WW2 and many RAF aircraft after 1946 including the famous Spitfire.


Air Speed Indicator 50-500 Knots Mk9L* 6A/4721

Post-War ASI used in early jet aircraft.


Air Speed Indicator 50-600 Kts

Smiths Type 147 AS/PC. Serial No 135/51




Machmeter Mk2 6A/3384 dated 1957

PRICE: £40

Machmeter Mk3A 6A/3300 dated 1957


Type KMA0201K


Altimeter Mk19B 6A/5040

Reads to 60,000 feet

PRICE: £50

Altimeter Mk12D 6A/1502

Used in the pressure cabin of the high flying reconaisance aircraft such as the Spitfire and Mosquito.

SOLD OUT - More Wanted

Altimeter Mk13D 6A/1743 dated 1943

Serial Number 9461/43

PRICE: £125

Altimeter Mk13D 6A/1743 dated 1943

Serial Number 895/43. Cover missing from adjuster.

PRICE: £125

Altimeter Mk14 6A/585 dated 1941



Altimeter Mk14B - 45,000 Feet 6A/1203

PR Mosquito and PRSpitfire



Artificial Horizons

Artificial Horizon Mk1A 6A/599

This one is dated 1941 but is the type which was fitted to the Spitfire and Hurricane during the Battle of Britain.

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Artificial Horizon Mk1B 6A/1498 dated 1943, serial number 16971/43.

PRICE: £50 - UK Sale Only

Artificial Horizon Mk1B 6A/1519

Introduced in 1940, but not in common use until 1941.

Some examples dated after 1945.

PRICE: £50

American Gyro Horizon 106A/700



Direction Indicators

Direction Indicator Mk1A 6A/1298 dated 1951

PRICE: £125


Direction Indicator Mk1 6A/1297 dated 1942.

This is the older style Mk1 D.I. with the square body and bottom mounted air intake.

Adjuster Knob lacks the rubber cover. Dial rotates when knob is turned, but will not "uncage"

PRICE: £125

Direction Indicator Mk1A 6A/1298

Adjuster knob missing

PRICE: £95


Rate of Climb Indicators

Rate of Climb Indicator Mk1B* 6A/942

Long cased, first pattern gauge dated 1942.


Rate of Climb Indicator Mk1B* 6A/942 - Second Pattern

Short Case Design dated 1943


Rate of Climb Indicator Mk1C(P) 6A/2171

Dated 1950

PRICE: £75

Rate of Climb Indicator 6A/2086

Smiths Type 20RC/PC


Turn & Slip Indicators


Turn & Slip Indicator Mk1A 6A/675

White marks on dial.

PRICE: £200

Turn & Slip Indicator Mk1A 6A/675

Standard fit in most WW2 aircraft


Turn and Slip Indicator 6A/1302 - Fluorescent

SOLD OUT - More wanted