---
title: "CLEARANCE VOID IF NOT OFF BY (TIME) — aviation glossary — OnlyPlanes"
description: "Used by ATC to advise an aircraft that the departure release is automatically canceled if takeoff is not made prior to a specified time."
canonical_url: "https://onlyplanes.ru/en/learn/clearance-void-if-not-off-by-time"
locale: en
meta:
  keywords: "CLEARANCE VOID IF NOT OFF BY (TIME), CLEARANCE VOID IF NOT OFF BY (TIME), TIME"
  "og:description": "Used by ATC to advise an aircraft that the departure release is automatically canceled if takeoff is not made prior to a specified time."
  "og:image": "https://onlyplanes.ru/images/aviation/aircraft/boeing-787.webp"
  "og:title": "CLEARANCE VOID IF NOT OFF BY (TIME) — aviation glossary"
---

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Radio communications and ATC

# CLEARANCE VOID IF NOT OFF BY (TIME)

TIME

TERM · Radio communications and ATC

At a glance

## Meaning of CLEARANCE VOID IF NOT OFF BY (TIME)

Used by ATC to advise an aircraft that the departure release is automatically canceled if takeoff is not made prior to a specified time.

### More about CLEARANCE VOID IF NOT OFF BY (TIME)

Used by ATC to advise an aircraft that the departure release is automatically canceled if takeoff is not made prior to a specified time. The expiration of a clearance void time does not cancel the departure clearance or IFR flight plan. It withdraws the pilot's authority to depart IFR until a new departure release/release time has been issued by ATC. Pilots who choose to depart VFR after their clearance void time has expired should not depart using the previously assigned IFR transponder code.

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