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Glossary

T - "Tango"
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Target Start-up Approval Time (TSAT)
Revision: 21 Jun 2022

Definition

Target Start-up Approval Time. Targeted time to receive (push and) start clearance on the gate.

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Terminal Environment
Revision: 21 Feb 2022

Definition

The area surrounding an airport that is inclusive of both ATCT and TRACON airspace.

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Top of Descent (TOD)
Revision: 21 Feb 2022

Definition

Is a point at which the pilot needs to begin their descent in order to ensure a stabilized approach and landing. TOD is calculated using a 3 to 1 ratio (3 miles for every 1,000 feet of altitude loss required). For airfields without published crossing restrictions, pilots should plan to be level at 10,000 feet AFE approximately 30 NM from the arrival airfield. For airfields with published crossing restrictions, pilots should plan to be level at all expected or mandatory published crossing restrictions for the procedure they are filed or cleared to fly.

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Touchdown Zone (TDZ)
Revision: 21 Feb 2022

Definition

First one-third or 3,000' of a runway, whichever is less.

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Terminal Radar Approach Control (TRACON)
Revision: 21 Feb 2022

Definition

Approach and Departure controllers

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Temporary Operating Certificate (TOC)
Revision: 21 Feb 2022

Definition

Is a temporary certificate that permits the Virtual Operator to conduct operations on POSCON in accordance with their Ops Specs for a period not longer than 90 days.

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