Octants

The aircraft octant is a precision navigational instrument designed to measure altitude of the sun or stars above the horizon. It offers exceptional accuracy, ensuring that critical measurements are dependable during flight. Trusted by industry experts, the aircraft octant is a vital tool for precise navigation in a pinch. Browse our selection to find an instrument to keep on hand for emergency situations.
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Boeing 251A1212-29 Quadrant Assembly
Boeing 251A1212-29 Quadrant Assembly

Mfr Part#
251A1212-29

Boeing 251A1212-2 Quadrant Assembly
Boeing 251A1212-2 Quadrant Assembly

Mfr Part#
251A1212-2

Boeing 251A1420-6 Bracket Installation, Right Hand OB
Boeing 251A1420-6 Bracket Installation, Right Hand OB

Mfr Part#
251A1420-6

251A1420-6#A Bracket Installation, Right Hand OB
251A1420-6#A Bracket Installation, Right Hand OB

Mfr Part#
251A1420-6#A

251A1630-5#E Quadrant
251A1630-5#E Quadrant

Mfr Part#
251A1630-5#E

Boeing 251A1630-1 Quadrant Installation
Boeing 251A1630-1 Quadrant Installation

Mfr Part#
251A1630-1

251A1630-5#F Quadrant
251A1630-5#F Quadrant

Mfr Part#
251A1630-5#F

251A1630-5#C Quadrant
251A1630-5#C Quadrant

Mfr Part#
251A1630-5#C

251A1630-4#D Quadrant
251A1630-4#D Quadrant

Mfr Part#
251A1630-4#D

251A1630-5#B Quadrant
251A1630-5#B Quadrant

Mfr Part#
251A1630-5#B

251A1630-5#D Quadrant Installation
251A1630-5#D Quadrant Installation

Mfr Part#
251A1630-5#D

251A1630-4#E Quadrant Installation-Aileron Control
251A1630-4#E Quadrant Installation-Aileron Control

Mfr Part#
251A1630-4#E

Boeing 251A1631-4 Quadrant Assembly
Boeing 251A1631-4 Quadrant Assembly

Mfr Part#
251A1631-4

251A1630-4#F Quadrant Installation-Aileron Control
251A1630-4#F Quadrant Installation-Aileron Control

Mfr Part#
251A1630-4#F

251A1630-4#B Quadrant Installation
251A1630-4#B Quadrant Installation

Mfr Part#
251A1630-4#B

251A1630-4#C Quadrant Installation
251A1630-4#C Quadrant Installation

Mfr Part#
251A1630-4#C

Boeing 251A1631-1 Quadrant Assembly
Boeing 251A1631-1 Quadrant Assembly

Mfr Part#
251A1631-1

Boeing 251A1630-3 Quadrant Installation
Boeing 251A1630-3 Quadrant Installation

Mfr Part#
251A1630-3

Boeing 251A1420-2 Bracket Installation, Right Hand OB
Boeing 251A1420-2 Bracket Installation, Right Hand OB

Mfr Part#
251A1420-2

251A1630-4#A Quadrant Assembly
251A1630-4#A Quadrant Assembly

Mfr Part#
251A1630-4#A

Frequently Asked Questions

What is an octant on an aircraft?

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An octant is a navigational tool used to measure angles, primarily facilitating the determination of one's position by comparing the altitude of a celestial body to the horizon. While pilots don’t typically use octants anymore, they can be useful to have in case of instrument failure.

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