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  2. Operational Improvement Steps

TS-0103 — Controlled Time of Arrival (CTA) in medium density/complexity environment

The CTA (Controlled Time of Arrival) is an ATM imposed time constraint on a defined point associated with an arrival runway, using airborne capabilities to improve arrival management.
When a time constraint is needed for a flight, the ground system may calculate a CTA as part of the arrival management process, and then it may be proposed to the flight for achievement by avionics within required accuracy.
Airborne information may be used by the ground system in determining the CTA (e.g. ETA min/max) and in monitoring the implementation of the CTA.

Rationale
Respecting the ideal of constraining the flight only when needed, the CTA exploits airborne capabilities in the implementation of arrival flows.
It does this by allowing the aircraft to self-manage its profile to a known time constraint thus enhancing a flight's time predictability over the constraint point and its flight efficiency to that constraint. Datalink exchange between flight crew and controller may be used in support of the operation. When possible, the downlink of on-board 4D trajectory data is used in CTA determination. (Link to AUO-0302-A and IS-0303-A).
Environmental sustainability is subsequently improved by the enhanced efficiency of the CTA flight and by time/delay management being conducted from an earlier stage of flight until the constraint point.
Forecast V3 end date
—
Benefits start date (IOC)
31-12-2022
Full benefits date (FOC)
31-12-2026
Current Maturity Level
V3
Solution Data Quality Index
—
Current Maturity Phase
R&D
Scope
—
Release
R5
PCP Status
—

Context

Related Elements
Enablers
Activities
B1

Enablers

Timeline Table
Code Dates
 
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TS-0103
 
APP ATC 148
IOC - FOC
BTNAV-STD-02
ER APP ATC 119
V4
V5
IOC - FOC
REG-0100
A/C-11
IOC - FOC
A/C-31a
V4
V5
IOC - FOC
A/C-37a
V4
V5
IOC - FOC
AGDLS-ATC-AC-14d
AGDLS-ATC-AC-15d
AGDLS-STD-01
ER APP ATC 100
V4
V5
IOC - FOC
ER APP ATC 149a
V4
V5
IOC - FOC
ER APP ATC 149b
IOC - FOC
ER APP ATC 149c
ER APP ATC 160
V4
V5
IOC - FOC
ER ATC 163
IOC - FOC
PRO-118
V4
V5
STD-066
STD-076
SWIM-APS-05a
V4
V5
IOC - FOC
SWIM-INFR-01a
V4
V5
SWIM-NET-01a
V4
V5
IOC - FOC
SWIM-STD-01
SWIM-STD-02
SWIM-SUPT-01a
SWIM-SUPT-03a
IOC - FOC
SWIM-SUPT-05a
V4
V5
IOC - FOC
Code Title Related Elements Analysis
APP ATC 148 System Support For Controlled Time of Arrival (CTA)
Analysis
BTNAV-STD-02 Navigation Performance in ICAO provisions for Enhanced CTA
Analysis
ER APP ATC 119 Air/Ground Datalink Communication/Protocols for i4D and Controlled Time of Arrival
Analysis
REG-0100 Regulatory Provisions for Datalink Extension (DLS II)
Analysis
A/C-11 Flight management and guidance for improved single time constraint achievement (CTA/CTO)
Analysis
A/C-31a Controller pilot data link communication (CPDLC) compliant with ATN baseline 2 (FANS 3/C)
Analysis
A/C-37a Downlink of trajectory data according to contract terms (ADS-C) compliant to ATN baseline 2 (FANS 3/C)
Analysis
AGDLS-ATC-AC-14d New SPR for data link exchange of instructions or clearances related to CTA allocation (4DTRAD)
Analysis
AGDLS-ATC-AC-15d New IOP for data link exchange of instructions or clearances related to CTA allocation (4DTRAD)
Analysis
AGDLS-STD-01 ICAO provisions for CPDLC for IM
Analysis
ER APP ATC 100 4D Trajectory Management by Synchronization of Air and Ground Trajectories through EPP
Analysis
ER APP ATC 149a Air-Ground Datalink Exchange to Support i4D - Extended Projected Profile (EPP)
Analysis
ER APP ATC 149b Air-Ground Datalink Exchange to Support i4D - ETA min/max
Analysis
ER APP ATC 149c Air-Ground Datalink Exchange to Support i4D - Controlled Time of Arrival/Overflight (CTA/CTO)
Analysis
ER APP ATC 160 ATC to ATC Flight Data Exchange Using The Flight Object
Analysis
ER ATC 163 Support to En-route delay absorption for cross-border implementation of arrival sequence
Analysis
PRO-118 ATC Procedures for use of CTA across several AoRs
Analysis
STD-066 ICAO Provisions for ATN Baseline 2
Analysis
STD-076 ICAO DOC 9880
Analysis
SWIM-APS-05a Provision and Consumption of Flight Object Sharing services
Analysis
SWIM-INFR-01a High Criticality SWIM Services infrastructure Support and Connectivity.
Analysis
SWIM-NET-01a SWIM Network Point of Presence
Analysis
SWIM-STD-01 AIRM
Analysis
SWIM-STD-02 ISRM Rulebook
Analysis
SWIM-SUPT-01a SWIM Supporting Registry Provisions
Analysis
SWIM-SUPT-03a SWIM Supporting Security Provisions
Analysis
SWIM-SUPT-05a SWIM Supporting IP Network Bridging Provisions
Analysis

Dependent OI Steps

Relationship Code Title Related Elements
Has successor TS-0109 Controlled Time of Arrival (CTA) in high density/complexity environment

SESAR Solutions

Code Title Program Related Elements Analysis
#06 Controlled Time of Arrival (CTA) in Medium density / medium complexity environment SESAR1
Analysis

PCP Elements: No associated data

Implementation Objectives: No associated data

ICAO Block Modules

Collapse all
Designator Title Related Elements
  B1
B1-RSEQ Improved Airport operations through Departure, Surface and Arrival Management
B1-TBO Improved Traffic Synchronisation and Initial Trajectory-Based Operation.