Calculated Take-off Time Slot
Normally, the aircraft should take-off within 15 minutes of the time stated in its flight plan but, if a slot is necessary, then this window is shrunk – to within five minutes before the CTOT or within ten minutes after the CTOT. If the aircraft can’t achieve this take-off time, then it has to reapply for a slot.
- John (YA) Peak LTE data rate can be calculated using the following parameters: 1 Time-slot=0.5 ms (i.e 1 Sub-frame = 1 ms) 1 Time-slot=7 Modulation Symbols (when normal CP length is used) 1 Modulation Symbol=6 bits; if 64 QAM is used as modulation scheme. Data rate for a single carrier=Number of symbols per time slot.Bits per symbol/Duration of a time slot=7.6/0.5e-3=84kbps.
- The key is to do an AND of each Person/Slot in pairs iteratively. (Person1 availability on slot 0) & (Person2 availability on slot 0). If it is 0 break the loop immediately because we cannot find a match for this slot. An exact match for a slot on a particular day is arrived at if the repeated ANDs yield 1 for a day/slot combo.
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Calculated Take-off Time Slot Machine
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Link to this page: | Link | Semantic Value |
|---|---|
| Term | Calculated Take-Off Time |
| Status | |
| Mandatory for | |
| Contexts | EUROCONTROL, SESAR, ICAO |
| Categories | |
| Synonyms | |
| Related entries | Actual Take-Off Time (ATOT) Estimated Take-Off Time (ETOT) Target Take-Off Time (TTOT) |
| Broader term | |
| Narrower term |
Abbreviation
CTOT
Calculated Take-off Time Slots
Definition
1.A time calculated and issued by the Central Flow Management unit, as a result of tactical slot allocation, at which a flight is expected to become airborne.
2.An Air Traffic Flow & Capacity Management (ATFCM) departure slot, forming part of an Air Traffic Control (ATC) clearance, which is issued to a flight affected by Network Management regulations. It is defined by a time and tolerance (-5 to +10 minutes) during which period the flight is expected to take-off.
Definition Source
1. EUROCONTROL/IATA/ACI, Airport CDM Implementation Manual, V.4, March 2012
2. NM Glossary (2014)
Note
Reference: ICAO Doc 7030/4 – EUR, Table 7
Lexicon Release
Lexicon Release 2016.1