CHAPTER 1
Introduction

Background

Airport ramps are ground operation areas where aircraft are parked, serviced, and prepared for arrivals and departures. Defined by the FAA as areas designated for aircraft parking, passenger and cargo handling, refueling, and maintenance, these spaces are highly dynamic and require coordination among multiple users. Ground support vehicles (e.g., baggage carts, fuel trucks, and catering trucks) operate in these areas alongside flight crews and airport personnel, thus requiring strict safety protocols to ensure efficient and accident-free operations. Often “ramp” and “apron” are used interchangeably, so, for surveys administered for this synthesis, both terms were used for questions about safety in these physical areas. However, this synthesis uses “ramp,” unless directly quoting survey responses or literature.

Ramp operations involve a diverse range of users and stakeholders, including airline personnel, airport authorities, airport operators, ground handling companies, construction personnel, air traffic controllers, fueling services providers, and maintenance crews. Each group plays a crucial role in maintaining smooth and safe operations, with responsibilities varying by airport and operational complexity.

To enhance safety and efficiency, airports implement various measures, including designated traffic flow patterns, safety training programs for personnel, communication protocols, and the use of advanced technologies (e.g., real-time surveillance and automated ground vehicle tracking). Ramp practices include marshallers, wing walkers, lead-in lines, pavement markings, automated gate guidance systems, and training and communication with ramp towers and air traffic control. These measures can help minimize hazards, improve operational efficiency, and ensure compliance with aviation safety regulations.

Advisory circulars (ACs) that pertain to safety operations and SMS on airport ramp areas are as follows:

• AC 120-57C Low Visibility Operations/Surface Movement Guidance and Control System (LVO/SMGCS)
• AC 150/5200-37A Safety Management Systems for Airports
• AC 00-34B Aircraft Ground Handling, Servicing, and Marshalling
• AC 150/5210-18A Systems for Interactive Training of Airport Personnel
• AC 150/5210-20A Ground Vehicle Operations to include Taxiing or Towing an Aircraft on Airports

The ACs provide guidance on how airports, airlines, and ground service providers (GSPs) can comply with existing regulations, standards, and policies.

Objectives

The objective of the synthesis was to collect and document the current airport practices for ramp safety programs. A literature review; surveys of airports, airlines, and GSPs; and interviews to develop case examples were used to achieve this objective.

Scope and Approach

This synthesis provides an overview of airport ramp safety practices, focusing on the types of training, frequency of training, and safety programs in place. The study examines how airports use different techniques to communicate with various ramp personnel, what training is used for all ramp employees, and how best to promote a culture of safety at the airports so as to enhance ramp safety. Another aspect of this study was understanding how airports engage constituents in a safety culture through human factors considerations. Additionally, the synthesis identifies how airlines and GSPs implement safety programs across their operations and how human factors influence ramp safety initiatives.

The project identifies safety indicators that airports and users track to assess safety performance and trends. To gather this information, the authors conducted a literature review and followed this up with surveys of airports of various sizes and in various locations, along with GSPs and an airline. The authors then held interviews with selected airports to develop case examples. Finally, along with discussion of the synthesis conclusions, the final chapter highlights knowledge gaps and provides suggestions for future studies to address these gaps.

Organization

This synthesis provides an overview of current ramp safety practices at airports. The chapters and appendices are summarized as follows:

• Chapter 1 presents the background, objectives, scope and approach, and organization of the synthesis report. This chapter presents the importance of ramp safety, the key issues being examined, and the methods used to gather information.
• Chapter 2 presents the results of a literature review of existing research, guidance materials, and industry practices regarding ramp operations. This chapter highlights key themes and findings from published sources, including regulations, human factors, safety culture, and technological tools currently in use. The literature review establishes a foundation for understanding current knowledge and identifying gaps to be addressed.
• Chapter 3 presents the survey findings and covers specific areas such as organizational responsibilities, training and oversight, safety culture engagement, and performance measurement. This chapter summarizes the responses and offers insight into the range of practices and experiences across different airport environments.
• Chapter 4 presents the eight case examples conducted as part of this synthesis to supplement the broader survey results. This chapter offers insights drawn from interviews with selected airports, highlighting their specific approaches to ramp safety; discusses the key themes that emerged from the interview questions; provides information about the participating airports; and discusses challenges and innovative practices.
• Chapter 5 summarizes the insights gained from the literature review, survey responses, and case example interviews to provide a picture of current ramp safety practices across airports. The chapter also identifies areas where information is limited or where inconsistencies exist in how safety is addressed on the ramp. To address such limitations or inconsistencies, the authors

• present suggestions for research where additional study could enhance understanding and improve safety outcomes. The suggestions for research reflect the evidence provided throughout the report and are only suggested where clear needs for further exploration have been identified.

References and a Glossary and Abbreviations provide supporting information.

Additional supporting information is provided in nine appendices. Appendices A, B, E, and F are provided herein. Appendices C, D, G, H, and I can be found at nationalacademies.org/publications by searching for ACRP Synthesis 143: Ramp Safety Practices: Update. The appendix titles are as follows:

• Appendix A: Airport Survey.
• Appendix B: GSP Survey.
• Appendix C: Airline Survey.
• Appendix D: Case Example Interview Script.
• Appendix E: Airport Survey Results.
• Appendix F: GSP Survey Results.
• Appendix G: Airline Survey Results.
• Appendix H: AUS Report of Hazard, Unsafe Condition or Practice Safety Reporting System.
• Appendix I: SAV Airport Hazard Report.