U.S. flag An official website of the United States government.
Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

FAA William J. Hughes Technical Center for Advanced Aerospace

rosaP Repository & Open Science Access Portal

Technical reports, Tech Notes, and articles that document the FAA’s applied research, engineering, testing and evaluation, and resulting scientific solutions addressing current and future air transportation challenges in collaboration with industry, academia, and other government partners. For more content, visit the FAA Technical Library https://www.faa.gov/about/office_org/headquarters_offices/ang/library/. Bookmark this collection:https://rosap.ntl.bts.gov/collection_faa_tl or https://doi.org/10.21949/1530830.

(15)
(18)
(40)
(52)
(42)
(25)
(35)
(50)
(38)
(58)
(47)
(48)
(4)
(6)
(6)
(2)
(6)
(7)
(11)
(10)
(14)
(7)
(8)
(4)
(1)
(4)
(4)
(10)
(3)
(7)
(5)
(5)
(6)
(4)
(3)
(1)
(1)
(2)
(2)
(1)
(1)
0 of 41
(1)
(2)
(2)
(1)
(2)
(12)
(15)
(1)
(1)
(1)
(2)
(1)
(1)
(6)
(10)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(2)
(14)
(1)
(1)
(2)
(3)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(4)
(2)
(1)
(3)
(1)
(1)
(1)
(1)
(3)
(2)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(3)
(1)
(1)
(2)
(2)
(1)
(4)
(4)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(3)
(2)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(4)
(2)
(1)
(6)
(1)
(5)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(1)
(1)
(4)
(1)
(2)
(1)
(3)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(3)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(2)
(4)
(1)
(9)
(1)
(8)
(1)
(3)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(3)
(1)
(2)
(1)
(2)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(4)
(1)
(2)
(2)
(5)
(1)
(1)
(1)
(1)
(7)
(1)
(1)
(1)
(3)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(2)
(1)
(2)
(2)
(2)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(2)
(1)
(6)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(8)
(1)
(1)
(2)
(3)
(4)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(9)
(1)
(3)
(1)
(1)
(4)
(1)
(8)
(1)
(2)
(3)
(1)
(1)
(2)
(2)
(2)
(3)
(1)
(1)
(1)
(3)
(3)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(4)
(1)
(4)
(1)
(1)
(1)
(2)
(2)
(1)
(6)
(1)
(1)
(1)
(3)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(2)
(2)
(2)
(2)
(6)
(1)
(3)
(2)
(1)
(1)
(2)
(1)
(4)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(4)
(1)
(2)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(5)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(3)
(8)
(1)
(1)
(4)
(2)
(1)
(3)
(4)
(2)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(2)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(3)
(1)
(2)
(2)
(1)
(4)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(3)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(4)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(4)
(3)
(1)
(6)
(7)
(1)
(2)
(2)
(2)
(1)
(1)
(1)
(1)
(8)
(1)
(1)
(22)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(9)
(4)
(1)
(1)
(2)
(1)
(11)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(4)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(2)
(21)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(2)
(1)
(3)
(1)
(1)
(1)
(14)
(1)
0 of 610
(9)
(3)
(1)
(8)
(17)
(4)
(1)
(558)
(12)
0 of 9
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(2)
(4)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
0 of 72
(2)
(1)
(2)
(1)
(3)
(1)
(3)
(1)
(2)
(4)
(4)
(2)
(1)
(3)
(4)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(3)
(1)
(4)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(6)
(1)
(2)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(3)
(1)
(2)
(2)
(7)
(2)
(4)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(2)
(2)
(1)
(4)
(1)
(1)
(6)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(3)
(2)
(1)
(2)
(1)
(1)
(10)
(1)
(2)
(3)
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(1)
(4)
(1)
(2)
(2)
(1)
(1)
(2)
(2)
(2)
(1)
(3)
(1)
(3)
(2)
(2)
(1)
(1)
(12)
(4)
(2)
(6)
(17)
(2)
(1)
(1)
(1)
(8)
(1)
(158)
(6)
(1)
(1)
(6)
(9)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(11)
(5)
(1)
(1)
0 of 148
(1)
(1)
(1)
(14)
(11)
(583)
(1)
(1)
0 of 8
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(5)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(3)
(2)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(3)
(1)
(50)
(2)
(8)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(7)
(3)
(3)
(4)
(1)
(1)
(3)
(4)
(16)
(2)
(1)
(1)
(1)
(12)
(3)
(1)
(5)
(1)
(3)
(3)
(1)
(2)
(20)
(22)
(4)
(1)
(4)
(2)
(1)
(3)
(1)
(4)
(1)
(56)
(4)
(39)
(2)
(1)
(3)
(8)
(1)
(2)
(3)
(3)
(1)
(2)
(8)
(4)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(7)
(1)
(3)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(3)
(1)
(5)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(15)
(18)
(24)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(6)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(5)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(4)
(2)
(2)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(8)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(8)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(3)
(4)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(1)
(1)
(9)
(2)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(5)
(2)
(3)
(1)
(1)
(4)
(1)
(12)
(7)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(3)
(1)
(2)
(2)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(7)
(1)
(1)
(1)
(1)
(1)
(5)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(3)
(1)
(3)
(4)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(3)
(3)
(1)
(5)
(4)
(1)
(3)
(1)
(2)
(1)
(3)
(1)
(2)
(1)
(6)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(7)
(2)
(1)
(1)
(7)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(6)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(5)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(6)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(5)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(4)
(10)
(1)
(1)
(1)
(1)
(9)
(2)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(5)
(10)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(3)
(2)
(6)
(1)
(1)
(1)
(3)
(1)
(1)
(7)
(2)
(1)
(1)
(1)
(1)
(1)
(3)
(8)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(24)
(1)
(2)
(1)
(7)
(4)
(1)
(1)
(2)
(1)
(2)
(2)
(1)
(1)
(1)
(4)
(1)
(5)
(1)
(7)
(14)
(2)
(1)
(3)
(1)
(2)
(1)
(8)
(2)
(3)
(1)
(4)
(3)
(1)
(4)
(1)
(1)
(3)
(1)
(6)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(2)
(2)
(2)
(4)
(1)
(1)
(1)
(1)
(10)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(11)
(1)
(1)
(1)
(1)
(2)
(1)
(7)
(1)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(3)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(2)
(1)
(2)
(1)
(3)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(2)
(102)
(10)
(6)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(5)
(1)
(1)
(2)
(1)
(7)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(15)
(1)
(2)
(1)
(1)
(1)
(1)
(8)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(7)
(1)
(2)
(1)
(10)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(8)
(1)
(1)
(1)
(1)
(1)
(12)
(1)
(2)
(2)
(1)
(3)
(8)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(2)
(3)
(3)
(2)
(1)
(1)
(5)
(1)
(1)
(8)
(1)
(1)
(1)
(9)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(7)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(5)
(2)
(4)
(1)
(1)
(7)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(2)
(1)
(2)
(3)
(3)
(2)
(4)
(12)
(7)
(1)
(9)
(5)
(6)
(3)
(2)
(3)
(2)
(2)
(3)
(10)
(3)
(2)
(2)
(2)
(2)
(2)
(3)
(6)
(4)
(4)
(2)
(2)
(1)
(2)
(2)
(2)
(2)
(6)
(4)
(2)
(3)
(3)
(3)
(8)
(3)
(2)
(2)
(5)
(3)
(2)
(4)
(2)
(2)
(6)
(2)
(2)
(2)
(2)
(2)
(7)
(2)
(2)
(4)
(2)
(19)
(3)
(2)
(4)
(2)
(4)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(3)
(7)
(2)
(3)
(2)
(2)
(4)
(8)
(3)
(3)
(4)
(2)
(3)
(2)
(4)
(5)
(3)
(3)
(3)
(2)
(4)
(2)
(2)
(10)
(10)
(2)
(9)
(2)
(4)
(3)
(2)
(3)
(2)
(4)
(2)
(5)
(9)
(2)
(2)
(2)
(6)
(2)
(2)
(5)
(2)
(3)
(3)
(2)
(8)
(3)
(2)
(2)
(3)
(4)
(5)
(8)
(6)
(10)
(7)
(14)
(7)
(3)
(2)
(16)
(4)
(6)
0 of 1000
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
0 of 597
Showing 1 - 20 of 613 results
  • Analysis of Granular BaseSubbase in Airport Pavements Using Embedded Sensors
    Analysis of Granular Base/Subbase in Airport Pavements Using Embedded Sensors
    Tutumluer, Erol ;
    Kang, Mingu
    2024-09-01 | PDF
    This project investigates the modulus and deformation behavior of granular base/subbase layers in airport pavements using three types of embedded sensors: bender element (BE) field sensors, coil sensors, and pressure cells. These sensors were installed in multiple test items at the Federal Aviation Administration’s Construction Cycle 9 (CC9) of the ...
  • Machine Learning Approach for the Evaluation of Degraded Wheel Braking Performance on Contaminated Runways
    Machine Learning Approach for the Evaluation of Degraded Wheel Braking Performance on Contaminated Runways
    Lee, HyunKi ;
    Zhang, Wenxin
    2023-08-01 | PDF
    One of the most challenging issues in the airline community has been the safe operations of aircraft during the landing phase of flight. Several entities agree that runway excursion is the most frequent type of landing incident or accident, and studies on this topic have shown that a significant contributor is the condition of the runway surface at ...
  • Aluminum 2024T351 Input Parameters for MAT_224 in LSDYNA Part4 Ballistic Impact Simulations of a Titanium 6Al4V Generic Fan Blade Fragment on an Aluminum 2024 Panel Using MAT_224 in LSDYNA
    Aluminum 2024-T351 Input Parameters for *MAT_224 in LS-DYNA Part4: Ballistic Impact Simulations of a Titanium 6Al-4V Generic Fan Blade Fragment on an Aluminum 2024 Panel Using *MAT_224 in LS-DYNA
    Park, Chung-Kyu ;
    Carney, Kelly
    2021-09-01 | PDF
    As a part of the FAA’s Aircraft Catastrophic Failure Prevention Program, advanced material models have been developed to improve the numerical modeling of turbine engine blade-out events. In this effort, NASA conducted four ballistic impact tests on large flat Aluminum 2024 panels with a blade-shaped Titanium 6Al-4V projectile to provide experiment ...
  • Selection of Cyclic Redundancy Code and Checksum Algorithms to Ensure Critical Data Integrity
    Selection of Cyclic Redundancy Code and Checksum Algorithms to Ensure Critical Data Integrity
    Koopman, Philip ;
    Driscoll, Kevin
    2015-03-01 | PDF
    This report explores the characteristics of checksums and cyclic redundancy codes (CRCs) in an aviation context. It includes a literature review, a discussion of error detection performance metrics, a comparison of various checksum and CRC approaches, and a proposed methodology for mapping CRC and checksum design parameters to aviation integrity re ...
  • Application of the FAATC Risk Management Process to the Airport Vulnerability Assessment and Analysis Project AVAP
    Application of the FAATC Risk Management Process to the Airport Vulnerability Assessment and Analysis Project (AVAP)
    Lazarick, Richard T.
    1999-06-01 | PDF
    This report summarizes Abacus Technology Corporation's experience in conducting risk/vulnerability assessments of airports in support of the Federal Aviation Administration (FAA) Airport Vulnerability Assessment and Analysis Project (AVAP). The report describes Abacus Technology's findings regarding application and effectiveness of the Risk Managem ...
  • ARGUS EDS Test and Evaluation Master Plan
    ARGUS EDS Test and Evaluation Master Plan
    Fabry, David J. ;
    Aishton, Thomas H.
    2001-05-01 | PDF
    This master plan outlines the test and evaluation activities required to develop the ARGUS Explosives Detection System (EDS) and the organization required to support that effort. The plan identifies 40 verification requirements, their method of verification, and assignments. The Grantees are responsible for certifying compliance; the program outlin ...
  • Automatic Continuous Thrust Control for Supersonic Transport Takeoff Noise Reduction
    Automatic Continuous Thrust Control for Supersonic Transport Takeoff Noise Reduction
    Voet, Laurens J. A. ;
    Prashanth, Prakash
    2024-02-01 | PDF
    Advanced takeoff trajectories are proposed for supersonic transport noise reduction by capitalizing on excess engine thrust and improved aerodynamic efficiency at higher takeoff speeds. These novel trajectories use i) automatic continuous control of thrust, ii) increased takeoff speed, and iii) reduced cut-back altitude, compared to conventional pi ...
  • Bonded Repairs to Composite Wing Panel Structure Phase 4 Feasibility Study of Panels with FiberOriented Scarf Repairs
    Bonded Repairs to Composite Wing Panel Structure: Phase 4, Feasibility Study of Panels with Fiber-Oriented Scarf Repairs
    Labik, Tim M ;
    Chadha, Reewanshu
    2024-11-01 | PDF
    The Federal Aviation Administration (FAA) and The Boeing Company have investigated safety and structural integrity issues of bonded repair technology. Efforts are focused on testing and analyzing bonded repairs to 40-in x 24-in flat carbon fiber-reinforced composite panels representative of wing skin using the Aircraft Beam Structural Test (ABST) f ...
  • Cold Dwell Fatigue of Titanium Alloys History Current State and Aviation Industry Perspective
    Cold Dwell Fatigue of Titanium Alloys: History, Current State, and Aviation Industry Perspective
    Pilchak, Adam ;
    Fox, Kate
    2024-09-01 | PDF
    This report summarizes the current state of understanding related to cold dwell fatigue (CDF) of titanium alloys, which is a failure mechanism that can lead to uncontained failure of rotating components. Jet engine manufacturers have brought forward their collective field and spin rig experience related to CDF and coupled it with a thorough literat ...
  • Advanced Construction Techniques for Heated Pavement Systems
    Advanced Construction Techniques for Heated Pavement Systems
    Abdualla, Hesham ;
    Ceylan, Halil
    2023-03-01 | PDF
    Ice and snow accumulations on paved surfaces in airports have the potential to cause flight delays and/or cancellations, pavement deterioration, and safety concerns. In recent years, hydronic and/or electrically conductive concrete (ECON) heated pavement systems (HPS) are receiving attention for mitigating problems associated with the presence of i ...
  • Aircraft Air Quality and Bleed Air Contamination Detection: Phase 2, Volume 2 [supporting dataset]
    Fox, Richard B ;
    Jones, Byron W
    2025-02-14 | ZIP
    The purpose of this project was to provide a data driven process to identify sensor technologies with the potential for detecting and identifying low levels of contaminants that may occasionally be present in aircraft engine bleed air supplies. Bleed air from a ground-based aircraft propulsion engine and an auxiliary power unit (APU) were used to s ...
    Dataset Supporting Files
  • Review of Automatic Speech Recognition Methodologies
    Review of Automatic Speech Recognition Methodologies
    Achour, Gabriel ;
    Salunke, Oojas
    2023-08-01 | PDF
    This report highlights the crucial role of Automatic Speech Recognition (ASR) techniques in enhancing safety for air traffic control (ATC) in terminal environments. ASR techniques facilitate efficient and accurate transcription of verbal communications, reducing the likelihood of errors. The report also details the evolution of ASR technologies, co ...
  • Aircraft Air Quality and Bleed Air Contamination Detection Engine Stand Tests Sensor Technologies and Chemical Sampling Phase 2 Volume 1
    Aircraft Air Quality and Bleed Air Contamination Detection: Engine Stand Tests, Sensor Technologies and Chemical Sampling (Phase 2, Volume 1)
    Fox, Richard B ;
    Jones, Byron W
    2023-11-01 | PDF
    The purpose of this project was to provide a data-driven process to identify sensing technology with good potential for detecting bleed air contamination from engine oil, hydraulic fluid, or deicing fluid. An on-wing test was conducted in February 2022. A test on an engine test bed was conducted in May 2022. Sensors and instruments were identified, ...
  • Bonded Repairs of Composite Wing Panel Structure Phase 3 Bonded Repair Size Limits Study for Solid Laminates with DoubleSided Scarf Panels
    Bonded Repairs of Composite Wing Panel Structure: Phase 3, Bonded Repair Size Limits Study for Solid Laminates with Double-Sided Scarf Panels
    Chadha, Reewanshu ;
    Labik, Tim M
    2022-06-01 | PDF
    In a collaborative effort, the Federal Aviation Administration (FAA) and The Boeing Company are assessing bonded repair technologies of composite panels representative of transport airplane wing-structures through test and analysis using the FAA’s Aircraft Beam Structural Test (ABST) fixture. Emphasis has been placed on investigating methods and to ...
  • Survey of PerformanceBased and RiskBased Oversight Strategies and Methods
    Survey of Performance-Based and Risk-Based Oversight Strategies and Methods
    Gilbert, Tricia ;
    Lamont, Jennifer
    2025-12-01 | PDF
    Recent changes in aviation safety oversight in the Federal Aviation Administration (FAA) and globally have incorporated performance-based oversight (PBO) that assesses an organization's management system effectiveness in achieving defined safety objectives. PBO is intended to be complementary to traditional compliance-based oversight that examines ...
  • Survey of PerformanceBased and RiskBased Oversight Strategies and Methods
    Survey of Performance-Based and Risk-Based Oversight Strategies and Methods
    Gilbert, Tricia ;
    Lamont, Jennifer
    2025-08-01 | PDF
    Recent changes in aviation safety oversight in the Federal Aviation Administration (FAA) and globally have incorporated performance-based oversight (PBO) which assess organization management system effectiveness in achieving defined safety objectives. PBO is intended to be complementary to traditional compliance-based oversight which examines confo ...
  • Enhancing Pavement Assessment with Dynamic Backcalculation A Dynamic Finite Element Approach
    Enhancing Pavement Assessment with Dynamic Backcalculation: A Dynamic Finite Element Approach
    Hajj, Elie Y ;
    Skaff, Rami
    2024-08-01 | PDF
    The Heavy Weight Deflectometer(HWD)/Falling Weight Deflectometer (FWD) plays a crucial role in assessing pavement’s structural condition. It consists of applying an impulse load to simulate a moving wheel and measuring pavement surface deflections. Pavement variables, such as moduli, are determined through backcalculation, which involves a forward ...
  • EMST Panel 1 Phase2 Aramis
    Tian, Yongzhe ;
    Stanley, Dave
    2026-01-01 | ZIP
    In partnership with Arconic and Embraer, the Federal Aviation Administration (FAA) is assessing emerging metallic structures technologies (EMST) using the FAA’s Full-Scale Aircraft Structural Test Evaluation and Research (FASTER) facility. In this collaborative effort, full-scale fuselage panel test data will be obtained to assess the effect of EMS ...
    Dataset Supporting Files
  • EMST Panel 1 Phase1 Chain Gage Data [supporting data]
    Tian, Yongzhe ;
    Stanley, Dave
    2026-01-01 | ZIP
    In partnership with Arconic and Embraer, the Federal Aviation Administration (FAA) is assessing emerging metallic structures technologies (EMST) using the FAA’s Full-Scale Aircraft Structural Test Evaluation and Research (FASTER) facility. In this collaborative effort, full-scale fuselage panel test data will be obtained to assess the effect of EMS ...
    Dataset Supporting Files
  • Rotorcraft Wire Strike Prevention and Protection Wire Database Creation Sensor Package Design Wire Cutter Modeling Data Fusion and Helicopter Operators Inputs
    Rotorcraft Wire Strike Prevention and Protection: Wire Database Creation, Sensor Package Design, Wire Cutter Modeling, Data Fusion, and Helicopter Operators’ Inputs
    Achour, Gabriel ;
    Harris, Caleb
    2023-02-01 | PDF
    Wire strikes have been one of the most common sources of helicopter accidents in the past seven years. The sizes of poles and wires make it difficult for rotorcraft pilots to see them in-flight. This motivates the need to provide pilots with various tools and information to prevent accidents related to wire strikes. In this report, we present diffe ...
1 - 20 / 613