Airspeed Indicator (ASI) Parts Look-Up

One of the most critical parts of an aircraft’s instruments is the airspeed indicator. Each aircraft has specific airspeed requirements for things like takeoff, landing, and stalling that the pilot must be aware of during flight. A functioning airspeed indicator that accurately reports how fast the aircraft is therefore critical to safe operation.

An airspeed indicator can receive its information in several different ways. The most modern examples rely on computerized systems or GPS units to receive airspeed updates. For most of aviation history however, aircraft have used analog instruments that compare dynamic pressure (or ram air pressure) to static pressure.

This instrument, called the pitot-static system, is a differential pressure system that measures the dynamic air pressure from the pitot tube to the static pressure coming from a static port. Inside the instrument is a sealed diaphragm that receives both dynamic and static pressure from the pitot tube. Static pressure is also measured from inside the casing, but outside the diaphragm. The forces of static pressure both outside and inside the diaphragm cancel each other out, leaving only a measurement of total dynamic pressure, or ram pressure. As the aircraft accelerates, the dynamic pressure from the pitot tube increases, and causes the diaphragm to expand. This expansion is mechanically linked to the airspeed indicator, which displays the aircraft’s increasing speed on the indicator’s needle.

There are also different types of airspeed that must be considered. Indicated airspeed is the airspeed read directly from the indicator. It does not account for position, instrument error, or the effect that wind might have on the pitot tube. A trained pilot can account for these factors and determine the aircraft’s actual speed.

Airspeed indicators are typically marked with color-coded ranges to help the pilot fly safely and efficiently. These markings indicate certain critical ranges for operating different systems on the aircraft. The first is the white arc, which indicates the speeds at which an aircraft’s flaps can be safely used. The green arc is next, and represents the normal operating range of the aircraft, followed by the yellow arc, which pilots should only accelerate to in calm weather. Finally, is the red arc, or red line, that indicates the absolute maximum airspeed that the aircraft can sustain. High-speed aircraft, like military fighter jets, will also have Mach indicators to represent the aircraft’s speed relative to the speed of sound.

At NSN Parts Now, owned and operated by ASAP Semiconductor, we supply airspeed indicator parts and systems from top manufacturers around the world like Falcon, MGL Avionics, Mid-Continent, and Skysports.

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Part No Manufacturer Description QTY RFQ
AS026 Skysports skysports airspeed indicator 20-180 knots Avl RFQ
AS026 Falcon falcon airspeed indicator 0-120 knotswith pitot kit Avl RFQ
AS022 Falcon falcon airspeed indicator 0-120 mphwith pitot kit Avl RFQ
AS022 Skysports skysports airspeed indicator 30-180 mph Avl RFQ
AS021 Skysports skysports airspeed indicator 0-160 mph Avl RFQ
AS021 Falcon falcon airspeed indicator 0-100 mphwith pitot kit Avl RFQ
AS020 Falcon falcon airspeed indicator 0-80 mphwith pitot kit Avl RFQ
AS020 Skysports skysports airspeed indicator 0-140 mph Avl RFQ
AS012 Skysports skysports airspeed indicator 0-300 kph Avl RFQ
AS012 Falcon falcon 2-1/4 inch airspeed asi 120k-2with pitot kit Avl RFQ
AS011 Falcon falcon miniature airspeed indicator 0-100 mphwith pitot kit Avl RFQ
AS011 Skysports skysports dual dial airspeed indicator 20-160 mph / 20-140 knots Avl RFQ
AS010 Skysports skysports airspeed indicator 0-200 kph Avl RFQ
AS010 Falcon falcon miniature airspeed indicator 0-80 mphwith pitot kit Avl RFQ
11-15989 MGL Avionics mgl vega asi-4 asi color indicator Avl RFQ
11-15989 Skysports skysports airspeed indicator 0-150 kph Avl RFQ
11-05705 Skysports skysports airspeed indicator 20-160 knots Avl RFQ
11-05705 MGL Avionics mgl avionics asx-1 airspeed indicator Avl RFQ
11-05704 MGL Avionics mgl avionics asi-1 airspeed indicator 2-1/4 Avl RFQ
11-05704 Skysports skysports airspeed indicator 0-120 knots Avl RFQ
11-05573 Skysports skysports miniature airspeed indicator 0-140 kph Avl RFQ
11-05573 MGL Avionics mgl avionics asi-3 airspeed indicator Avl RFQ
10-05936 Skysports skysports non tso 2-1/4 asi 20-140 Avl RFQ
10-05936 Skysports skysports airspeed indicator 0-100 knots Avl RFQ
10-05409 Skysports skysports airspeed indicator 0-120 kph Avl RFQ
10-05409 Skysports skysports airspeed indicator 0-80 mph Avl RFQ
10-05408 Skysports skysports airspeed indicator 0-100 mph Avl RFQ
10-05408 Skysports skysports airspeed indicator 0-80 knots Avl RFQ
10-05406 Skysports skysports dual dial airspeed indicator 30-200 mph / 30-180 knots Avl RFQ
10-05406 Skysports skysports airspeed indicator 0-120 mph Avl RFQ
10-05405 Skysports skysports airspeed indicator 0-150 mph Avl RFQ
10-05405 Sigma-Tek sigmatek 3-1/8 true airspeed 40-210 knt / 40-240 mph lit Avl RFQ
10-05404 Mid-Continent mid-continent instr & avionics airspeed indicator 2 inch 40–400 knots lighted Avl RFQ
10-05404 Skysports skysports airspeed indicator 30-220 knots Avl RFQ
10-05403 Skysports skysports miniature airspeed indicator 0-120 knots Avl RFQ
10-05403 Mid-Continent mid-continent instr & avionics airspeed indicator 2 inch 40–350 knots lighted Avl RFQ
10-05402 Mid-Continent mid-continent instr & avionics airspeed indicator 2 inch 40–300 knots lighted Avl RFQ
10-05402 Skysports skysports dual dial airspeed indicator 30-250 mph / 30-220 knots Avl RFQ
10-05401 Skysports skysports dual dial airspeed indicator 30-300 kph / 30-160 knots Avl RFQ
10-05401 Mid-Continent mid-continent instr & avionics airspeed indicator 2 inch 40–260 knots lighted Avl RFQ
10-05400 Mid-Continent mid-continent instr & avionics airspeed indicator 2 inch 40–200 knots lighted Avl RFQ
10-05400 Skysports skysports dual dial airspeed indicator 30-180 mph / 30-160 knots Avl RFQ
10-05399 Skysports skysports airspeed indicator 0-140 knots Avl RFQ
10-05399 Mid-Continent mid-continent instr & avionics airspeed indicator 2 inch 20–160 knots lighted Avl RFQ
10-05395 Falcon falcon 2-1/4 inch airspeed asi 120k-2 Avl RFQ
10-05394 Falcon falcon miniature airspeed indicator 0-120 knots Avl RFQ
10-05393 Falcon falcon airspeed indicator 30-180 mph Avl RFQ
10-05392 Falcon falcon airspeed indicator30-200 mph Avl RFQ
10-05391 Falcon falcon airspeed indicator 0-160 mph Avl RFQ
10-05390 Falcon falcon airspeed indicator 0-140 mph Avl RFQ
10-05389 Falcon falcon airspeed indicator 0-120 mph Avl RFQ
10-05388 Falcon falcon airspeed indicator 0-100 mph Avl RFQ
10-05387 Falcon falcon airspeed indicator 0-80 mph Avl RFQ
10-05386 Falcon falcon dual dial airspeed indicator 30-200 mph / 30-180 knots Avl RFQ
10-05385 Falcon falcon airspeed indicator 20-160 knots Avl RFQ
10-05384 Falcon falcon airspeed indicator 0-140 knots Avl RFQ
10-05383 Falcon falcon airspeed indicator 0-120 knots Avl RFQ
10-05381 Falcon falcon airspeed indicator 0-100 knots Avl RFQ
10-05380 Falcon falcon airspeed indicator 0-80 knots Avl RFQ
10-05161 Mid-Continent mid-continent 2 inch airspeed indicator 14v - faa tso Avl RFQ
10-04767 Falcon falcon airspeed indicator 0-120 kph Avl RFQ
10-04766 Falcon falcon miniature airspeed indicator 0-140 mph Avl RFQ
10-04765 Falcon falcon miniature airspeed indicator 0-120 mph Avl RFQ
10-04764 Falcon falcon miniature airspeed indicator 0-100 mph Avl RFQ
10-04763 Falcon falcon miniature airspeed indicator 0-80 mph Avl RFQ
10-04761 Falcon falcon true airspeedindicator 40-240 mph, lighted Avl RFQ
10-04198 Falcon falcon true airspeedindicator 40-240 mph Avl RFQ
10-04069 Falcon falcon true airspeedindicator 40-210 knots lighted Avl RFQ
10-03000 Falcon falcon true airspeedindicator 40-210 knots Avl RFQ
10-02918 Falcon falcon true airspeedindicator 40-260 mph, lighted Avl RFQ
10-02917 Falcon falcon true airspeedindicator 40-260mph Avl RFQ
10-02916 Falcon falcon true airspeedindicator dual range40-260 mph / 220 knots, lighted Avl RFQ
10-02915 Falcon falcon dual dial airspeed indicator 30-300 kph / 30-160 knots Avl RFQ
10-02910 Falcon falcon dual dial airspeedindicator 40-300 mph / 40-260 knots Avl RFQ
10-02905 Falcon falcon dual dial airspeed indicator 30-250 mph / 30-220 knots Avl RFQ
10-02901 Falcon falcon dual dial airspeed indicator 30-180 mph / 30-160 knots Avl RFQ
10-02900 Falcon falcon dual dial airspeed indicator 20-160 mph / 20-140 knots Avl RFQ
10-02899 Falcon falcon miniature airspeed indicator 0-140 kph Avl RFQ
10-02898 Falcon falcon airspeed indicator 0-150 mph Avl RFQ
10-02897 Falcon falcon airspeed indicator 0-300 kph Avl RFQ
10-02896 Falcon falcon airspeed indicator 3-1/8 0-200 kilometers per hour Avl RFQ
10-02687 Falcon falcon airspeed indicator0-150 kph Avl RFQ
10-02625 Falcon falcon airspeed indicator 30-220 knots non-tso Avl RFQ
10-02620 Falcon falcon airspeed indicator 3-1/8 0-200 knots Avl RFQ
10-02615 Falcon falcon airspeed indicator 20-180 knots Avl RFQ
10-02610 Falcon falcon true airspeedindicator dual range40-220 knots / 260 mph, lighted Avl RFQ
10-02605 Falcon falcon true airspeedindicator dual range40-240 mph / 210 knots, lighted Avl RFQ
10-02249 Falcon falcon true airspeedindicator dual range40-260 mph / 220 knots Avl RFQ
10-02248 Falcon falcon true airspeedindicator dual range40-220 knots / 260 mph, lighted Avl RFQ
10-02238 Falcon falcon true airspeedindicator dual range40-210 knots / 240 mph Avl RFQ

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