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| | Instrument Inventory |
 | | Airspeed MPH - F5 with **Mach Gauge Window: PHOTO Part Number 21093, Kollsman or Greenleaf, (This type of indicator was used in some Variations /Models of the following aircraft: B-17 Flying Fortress, B-29 Superfortress, B-36 Peacemaker, F-84, P-47 Thunderbolt, P-51 Mustang and Twin Mustang, P-61 Black Widow and P-63 Kingcobra and other Military aircraft) 0-700... |
 | | Since the speed of sound is totally dependent upon local air density, the actual speed varies with altitude, temperature, humidity, and so it is impossible to pin an exact speed on the airspeed indicator for the pilot. |
 | | Airspeed - KNOTS : AN5861-(W2)(T2) U.S. Gage or Kollsman R88-I-0494-010, 0-400.... |
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