The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 12, 2021

Filed:

Jun. 27, 2018
Applicant:

C Series Aircraft Limited Partnership, Mirabel, CA;

Inventors:

Luc Tremblay, L'ile Bizard, CA;

Marc-Antoine Delarche, Seattle, WA (US);

Jean-François Chretien, Laval, CA;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 23/00 (2006.01); B64D 43/00 (2006.01); G05D 1/08 (2006.01); G08G 5/00 (2006.01);
U.S. Cl.
CPC ...
G01C 23/005 (2013.01); B64D 43/00 (2013.01); G05D 1/0808 (2013.01); G05D 1/0816 (2013.01); G08G 5/0021 (2013.01); G08G 5/0065 (2013.01);
Abstract

The present disclosure provides methods and system for providing takeoff pitch guidance for an aircraft. Takeoff pitch guidance for the aircraft is provided in a pitch target mode at a time of takeoff. The pitch target mode corresponds to determining pitch as a function of a target pitch based on aircraft operating parameters. A transition event is detected while in the pitch target mode. The takeoff pitch guidance for the aircraft is transitioned from the pitch target mode to an airspeed error mode after the transition event is detected and the takeoff pitch guidance is provided in the airspeed error mode. The airspeed error mode corresponds to determining pitch based on a difference between an actual speed and a target speed of the aircraft.


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