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Level Bust

The level bust is one of the principal products delivered under the area of incident reporting and data sharing.

Seeking solutions today for tomorrow's challenges

Improvements in safety management and reporting systems have given us an insight into the extent of the level bust problem in Europe. A great deal of work has been carried out by authorities, institutions and operators to understand the causes of level busts. However, despite these efforts, the number of reported level bust incidents has not fallen in recent years. The widespread adoption of TCAS has significantly reduced the likelihood of a mid-air collision following a level bust but the issue remains one of concern to the air transport community.

To further raise awareness and understanding of the level bust issue, EUROCONTROL runs a series of workshops. These workshops will bring together operators, service providers, manufacturers and institutions to develop practical and effective solutions for reducing the number of level busts and mitigating the risks associated with level busts.

Level Bust Safety Initiative

Level Bust Safety Initiative, aimed at reducing the number and potential consequences of level busts, began in 2001 and, after the successful adoption of the European Action Plan for the Prevention of Level Bust, is currently transitioning to the Implementation and Monitoring phase.

European Action Plan for the Prevention of Level Bust

"More than 500 aviation professionals helped to make it true"

Reducing Level busts is one of EUROCONTROL's highest priorities. Eurocontrol began raising awareness of the Level Bust issue in 2001, organised series of workshops, and established a Level Bust Task Force to define the recommendations and to formulate an action plan to reduce level busts.


The level bust action plan is the product of work carried out by EUROCONTROL’s cross-industry Level Bust Task Force, which was set up in 2003. The Task Force reviewed the evidence available, identified the principal causal factors, and listened to the Air National Service Providers and aircraft operators with experience in reducing level busts.

The Action Plan contains recommendations for Air Traffic Management, Air Traffic Controllers, and Aircraft Operators. It designed to reduce the frequency of level busts and reduce the risks associated with level busts. Implementation of the Action Plan will be monitored by the Task Force monitoring group reporting to the EUROCONTROL Safety Improvement Sub Group (SISG).

The Action Plan includes a series of briefing notes that give detailed information and guidance:

  • Gen 1: Level Busts - Overview
    Gen 2: Pilot-Controller Communications
    Gen 3: Call Sign Confusion
    Ops 1: Standard Operating Procedures
    Ops 2: Altimeter Setting Procedures
    Ops 3: Standard Calls
    Ops 4: Aircraft Technical Equipment
    Ops 5: ACAS
    Ops 6: Human Factors
    Ops 7: Safety Reporting - Operators
    ATM 1: Understanding the Causes of Level Busts
    ATM 2: Reducing Level Busts
    ATM 3: Safety Reporting - ATM
    ATM 4: Airspace & Procedure Design

  Acrobat Download the European Action Plan for the Prevention of Level Bust

Level Bust Tool Kit

The Level Bust Tool Kit were the subject of an ad-hoc workshop organised jointly by IATA and Eurocontrol.

A multimedia interactive application

The Level Bust Tool Kit is produced as a multimedia interactive application. It is an useful reference for pilots, controllers, safety officers from the aircraft operators and Safety managers and experts from the Air Navigation Service Providers.

The Level Bust Tool Kit gives the user access to the “European action plan for the prevention of level bust” and the Implementation checklists.

Because of its modular approach and its interactive design, with a logical sequence of actions, the safety manager will be able to raise awareness of the level bust issue within an organisation and reduce the risk associated with it.

Both the Action Plan and the Implementation Checklists link to a set of briefing notes that give detailed information and focussed guidance. They are in-turn linked to further, appropriate reference material and other sources of information.

The Level Bust Tool Kit includes an interactive tutorial modules designed for Pilots and Air Traffic Controllers, developed in conjunction with EUROCONTROL’s Institute of Air Navigation Services in Luxembourg. The Level Bust Tutorial Module features a series of scenarios, based upon actual level bust incidents, followed by a series of questions designed to allow the pilot or controller to make their own considered conclusions regarding the causal factors. The key learning points are then highlighted. The Level Bust Tutorial Module follows two parallel themes of “aviation safety” and “human performance limitations” and contains the following topics:
  • Airspace Design
  • ATC Procedures
  • Aircraft Equipment
  • ACAS

Access Level Bust Tool Kit on-line

  HTML Level Bust tool Kit

Level Bust Material

Click below to download that might be used for your training and raise awareness in preventing level busts.

Poster for ATCO's

  Acrobat Poster for ATCO's

Level Bust Material for Pilots

  Acrobat Poster for Pilots
  Acrobat Flyer for Pilots

Rotative Risk Factors disk for Pilots, ATCO's and Aviation Safety Professionals

  Acrobat Risk factors disk

Order your Level Bust Tool Kit CD Rom or Level Bust Materials to:

Mr Tzvetomir BLAJEV
Coordinator Safety Improvement Initiatives
Email: 
 
  Last validation: 11/02/2008