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Technical Report Documentation Page 
 
1. Report No. 
DOT/FAA/AM-25/16 
2. Government Accession No. 3. Recipient's Catalog No. 
4. Title and Subtitle 
Emergency Exit Operation and Location:  Type III Exits  
(Group egress data dictionary) 
5. Report Date 
April, 2025 
6. Performing Organization Code  
AAM-632 
7. Author(s) 
Beben, M.S., Weed D.B. 
8. Performing Organization Report No. 
 
9. Performing Organization Name and Address 
 FAA Civil Aerospace Medical Institute 
PO Box 25082 
Oklahoma City, OK 73125 
 
10. Work Unit No. (TRAIS)  
11. Contract or Grant No. 
 
12. Sponsoring Agency Name and Address 
Office of Aerospace Medicine 
Federal Aviation Administration 
800 Independence Ave., S.W. 
Washington, DC 20591 
13. Type of Report and Period Covered 
 Data dictionary 
14. Sponsoring Agency Code  
AAM-600 
15. Supplementary Notes 
Author ORCIDs: Beben (0000-0003-0587-5984), Weed (0000-0002-5184-6933) 
Technical report DOI: https://doi.org/10.21949/1529680  
Data Management Plan DOI: https://doi.org/10.21949/1529681  
Group egress data dictionary DOI: https://doi.org/10.21949/1529689 
Individual egress data dictionary DOI: https://doi.org/10.21949/1529688  
 
The Federal Aviation Administration (FAA) funded this through the Research, Engineering, and Development (RE&D) program 
budget. The authors had no conflicts of interest to disclose. All authors read and approved this manuscript. This manuscript 
underwent external peer review. The Principal Investigator (PI; MSB) and sponsors (Jeff Gardlin) conceived the project in 
collaboration with internal FAA sources. The PI collected the data, performed the data analysis, and wrote the technical 
report with input from the coauthors. This document is disseminated under the sponsorship of the U.S. Department of 
Transportation in the interest of information exchange. The U.S. Government assumes no liability for the contents thereof       
  
16. Abstract 
This project was an investigation of multiple transport category airplane Type III door dimension changes to evaluate its 
general impact on safety and egress speed. The goal was to provide rule makers with a generalizable result to address 
requests to modify airplane exits for the purpose of increasing the allowed number of passengers per door exit rating. 
Participants exited the door types in both an individual and group setting. There were 160 participants through six different 
Type III doors, of which three are currently in operation, and three are experimental. The doors that had a smaller step-up 
and step-down height had the fastest average egress times and the shortest range of egress times. The finding that a smaller 
step-up/step-down height results in a quicker egress may have implications for the certification of airplanes with Type III exits 
with smaller step-up/step-down heights than allowed by regulation. 
17. Key Word 
Type III Exits, Evacuation, Cabin Safety 
18. Distribution Statement 
Document is available to the public through the National 
Transportation Library: https://ntl.bts.gov/ntl 
19. Security Classification (of this report) 
Unclassified 
20. Security Classification (of this page) 
Unclassified 
21. No. of Pages 
XX 
 


Emergency Exit Operation and Location: Type III Exits (Group Egress Data Dictionary)

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