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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251T1615-2 Quadrant
251T1615-2 Quadrant

Mfr Part#
251T1615-2

Boeing 251T1615-5 Quadrant Casting
Boeing 251T1615-5 Quadrant Casting

Mfr Part#
251T1615-5

Boeing 251T1615-6 Quadrant Casting
Boeing 251T1615-6 Quadrant Casting

Mfr Part#
251T1615-6

Boeing 251T1611-8 Quadrant
Boeing 251T1611-8 Quadrant

Mfr Part#
251T1611-8

Boeing 251T1615-11 Quadrant
Boeing 251T1615-11 Quadrant

Mfr Part#
251T1615-11

Boeing 251T1611-1 Quadrant Assembly
Boeing 251T1611-1 Quadrant Assembly

Mfr Part#
251T1611-1

Boeing 256T1102-6 Quadrant
Boeing 256T1102-6 Quadrant

Mfr Part#
256T1102-6

Boeing 251T4417-2 Quadrant-
Boeing 251T4417-2 Quadrant-

Mfr Part#
251T4417-2

Boeing 251U2100-4 Quadrant Assembly
Boeing 251U2100-4 Quadrant Assembly
The Boeing Company

Mfr Part#
251U2100-4

Boeing 251W4209-2 Half Quadrant Assembly
Boeing 251W4209-2 Half Quadrant Assembly

Mfr Part#
251W4209-2

Boeing 254N1067-3 Quadrant-Forging
Boeing 254N1067-3 Quadrant-Forging

Mfr Part#
254N1067-3

Boeing 256A3557-2 Quadrant-Machined
Boeing 256A3557-2 Quadrant-Machined

Mfr Part#
256A3557-2

Boeing 256T1306-2 Quadrant Casting
Boeing 256T1306-2 Quadrant Casting

Mfr Part#
256T1306-2

Boeing 256T1306-4 Quadrant Control
Boeing 256T1306-4 Quadrant Control
The Boeing Company

Mfr Part#
256T1306-4

Boeing 2616046-501 Quadrant
Boeing 2616046-501 Quadrant
The Boeing Company

Mfr Part#
2616046-501

Boeing 353A2094-10 Angle, Outboard
Boeing 353A2094-10 Angle, Outboard
The Boeing Company

Mfr Part#
353A2094-10

Boeing 353A2030-7 Angle-Outboard 1088
Boeing 353A2030-7 Angle-Outboard 1088

Mfr Part#
353A2030-7

246W9011-40#A 46 ONS Configuration
246W9011-40#A 46 ONS Configuration

Mfr Part#
246W9011-40#A

246W9011-30#A 46 ONS Configuration
246W9011-30#A 46 ONS Configuration

Mfr Part#
246W9011-30#A

246W9011-10#A 46 ONS Configuration
246W9011-10#A 46 ONS Configuration

Mfr Part#
246W9011-10#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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