| CPC G01P 5/165 (2013.01) [B64D 15/20 (2013.01); G01F 1/46 (2013.01)] | 20 Claims |

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1. A pitot tube sensing apparatus comprising:
a pitot tube comprising a channel;
a pressure sensor coupled to the channel;
a capacitor comprising two electrodes on opposing sides of the channel, wherein the two electrodes conform to a shape of an inner surface of the channel; and
a system configured to:
measure a capacitance between the two electrodes; and determine the presence or absence of a foreign object within the channel based on the capacitance.
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