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 251N2399-2 Quadrant
Boeing 251N2399-2 Quadrant

Mfr Part#
251N2399-2

Boeing 251N2399-3 Quadrant Forging
Boeing 251N2399-3 Quadrant Forging

Mfr Part#
251N2399-3

Boeing 251N6145MFGT-9 Angle-NCAT Detail- (UTM NCT)
Boeing 251N6145MFGT-9 Angle-NCAT Detail- (UTM NCT)
The Boeing Company

Mfr Part#
251N6145MFGT-9

251T1212-1 Quadrant
251T1212-1 Quadrant

Mfr Part#
251T1212-1

Boeing 251T1204-1 Quadrant
Boeing 251T1204-1 Quadrant

Mfr Part#
251T1204-1

Boeing 251T1213-1 Quadrant Assembly
Boeing 251T1213-1 Quadrant Assembly

Mfr Part#
251T1213-1

Boeing 251T1262-2 Quadrant
Boeing 251T1262-2 Quadrant

Mfr Part#
251T1262-2

Boeing 251T1204-2 Quadrant
Boeing 251T1204-2 Quadrant

Mfr Part#
251T1204-2

Boeing 251T1213-2 Quadrant
Boeing 251T1213-2 Quadrant

Mfr Part#
251T1213-2

Boeing 251T1212Y2 Quadrant
Boeing 251T1212Y2 Quadrant

Mfr Part#
251T1212Y2

Boeing 251T1300-5003 Quadrant Installation
Boeing 251T1300-5003 Quadrant Installation

Mfr Part#
251T1300-5003

Boeing 251T1300-5004 Quadrant Installation
Boeing 251T1300-5004 Quadrant Installation

Mfr Part#
251T1300-5004

Boeing 251T1413-3 Quadrant Ay
Boeing 251T1413-3 Quadrant Ay

Mfr Part#
251T1413-3

Boeing 251T1315-2 Quadrant Assembly
Boeing 251T1315-2 Quadrant Assembly

Mfr Part#
251T1315-2

Boeing 251T1300-5001 Quadrant Installation
Boeing 251T1300-5001 Quadrant Installation

Mfr Part#
251T1300-5001

Boeing 251T1316-2 Quadrant
Boeing 251T1316-2 Quadrant

Mfr Part#
251T1316-2

Boeing 251T1300-5002 Quadrant Installation
Boeing 251T1300-5002 Quadrant Installation

Mfr Part#
251T1300-5002

Boeing 251T1300-2 Quadrant Ay
Boeing 251T1300-2 Quadrant Ay

Mfr Part#
251T1300-2

Boeing 251T1506-5 Quadrant
Boeing 251T1506-5 Quadrant

Mfr Part#
251T1506-5

Boeing 251T1515-10 Quadrant
Boeing 251T1515-10 Quadrant

Mfr Part#
251T1515-10

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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