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.

Federal Aviation Administration

rosaP Repository & Open Science Access Portal

The FAA conducts research to ensure that commercial and general aviation is the safest in the world. Bookmark this collection https://rosap.ntl.bts.gov/collection_faa or https://doi.org/10.21949/1530831.

(10)
(29)
(49)
(38)
(37)
(42)
(26)
(18)
(18)
(17)
(12)
(8)
(4)
(11)
(8)
(17)
(9)
(5)
(9)
(4)
(6)
(2)
(3)
(1)
(4)
(6)
(8)
(5)
(2)
(5)
(1)
(2)
(1)
(2)
(5)
(1)
(1)
(4)
(6)
(2)
(1)
(8)
(1)
(2)
(8)
(27)
(27)
(31)
(15)
(6)
(2)
(29)
(1)
(1)
0 of 54
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(9)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(7)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(17)
(3)
(1)
(1)
(6)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(9)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(18)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(5)
(1)
(1)
(8)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(3)
(2)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(3)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(3)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(3)
(3)
(1)
(1)
(2)
(2)
(1)
(2)
(6)
(4)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(3)
(1)
(2)
(2)
(2)
(2)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(6)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(10)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(6)
(5)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(4)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(5)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(6)
(1)
(1)
(5)
(1)
(1)
(1)
(1)
(3)
(3)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(3)
(1)
(4)
(18)
(3)
(7)
(1)
(1)
(3)
(2)
(1)
(7)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(24)
(6)
(1)
(5)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(4)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(3)
(2)
(5)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(9)
(2)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(6)
(1)
(1)
(1)
(1)
(3)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(4)
(1)
(1)
(1)
(8)
(1)
(1)
(1)
(1)
(2)
(4)
(7)
(3)
(3)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(3)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(3)
(2)
(1)
(8)
(6)
(1)
(2)
(4)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(10)
(1)
(9)
(3)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(2)
(2)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(2)
(2)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(5)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(2)
(4)
(1)
(9)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(5)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(9)
(1)
(3)
(3)
(3)
(1)
(1)
(8)
(1)
(1)
(1)
(5)
(1)
(1)
(3)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(3)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(4)
(1)
(2)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(3)
(3)
(2)
(7)
(1)
(2)
(1)
(3)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(3)
(7)
(14)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(3)
(1)
(1)
(1)
(8)
(1)
(1)
(1)
(2)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(6)
(1)
(2)
(2)
(2)
(1)
(1)
(1)
(4)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(2)
(4)
(1)
(4)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(5)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(4)
(1)
(5)
(4)
(2)
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(3)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(3)
(1)
(5)
(4)
(1)
(2)
(1)
(1)
(2)
(2)
(1)
(1)
(2)
(2)
(1)
(5)
(1)
(2)
(1)
(1)
(1)
(1)
(14)
(2)
(1)
(2)
(1)
(1)
(3)
(4)
(3)
(2)
(2)
(4)
(3)
(3)
(4)
0 of 1000
(1)
(17)
(1)
(5)
(3)
(2)
(1)
(24)
(113)
(2)
(7)
(27)
(147)
(42)
(2)
(21)
(8)
(9)
(163)
(2)
0 of 20
(1)
(1)
(1)
(4)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(2)
(3)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(5)
(2)
(1)
(1)
(1)
(2)
(8)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(2)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(3)
(1)
(3)
(3)
(1)
(4)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(5)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(6)
(1)
(2)
(2)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
0 of 239
(16)
(3)
(24)
(23)
(43)
(5)
(5)
(5)
(7)
(21)
(17)
(14)
(6)
0 of 13
(1)
(1)
(1)
(1)
(2)
(1)
(8)
(1)
(1)
(1)
(10)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(3)
(2)
(13)
(2)
(6)
(9)
(4)
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(1)
(1)
(22)
(1)
(1)
(47)
(4)
(1)
(15)
(2)
(1)
(1)
(2)
(2)
(1)
(6)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(25)
(1)
(12)
(3)
(1)
(17)
(3)
(1)
(2)
(1)
(13)
(1)
(1)
(3)
(2)
(7)
(2)
(12)
(24)
(1)
(206)
(1)
(176)
(11)
(3)
(1)
(2)
(1)
(17)
(2)
(2)
(1)
(21)
(1)
(1)
(1)
(9)
(1)
(3)
(3)
(2)
(1)
(1)
(1)
(1)
(2)
(3)
(1)
(5)
(7)
(7)
(2)
(1)
(3)
(1)
(1)
(12)
(1)
(1)
(1)
(1)
(4)
(3)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(7)
(1)
(6)
(2)
(1)
(1)
(1)
(1)
(1)
(20)
(1)
(2)
(2)
0 of 141
(2)
(5)
(2)
(1)
(1)
(5)
(6)
(3)
(1)
(4)
(4)
(1)
(1)
(50)
(1)
(1)
(2)
(1)
(19)
(2)
(1)
(1)
(1)
(1)
(1)
(6)
(8)
(2)
(1)
(1)
(9)
(3)
(2)
(9)
(1)
(1)
(1)
(24)
(1)
(3)
(2)
(1)
(1)
(3)
(1)
(3)
(6)
(2)
(7)
(24)
(95)
(2)
(187)
(37)
(6)
(1)
(14)
(5)
(11)
(6)
(1)
(1)
(1)
(3)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
0 of 74
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(1)
(3)
(2)
(1)
(1)
(2)
(15)
(3)
(3)
(2)
(1)
(1)
(5)
(9)
(2)
(6)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(31)
(2)
(99)
(8)
(1)
(4)
(1)
(3)
(1)
(1)
(8)
(1)
(29)
(41)
(2)
(30)
(3)
(77)
(1)
(16)
(8)
(32)
(3)
(5)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(36)
(1)
(63)
(1)
(1)
(3)
(2)
(2)
(30)
(1)
(12)
(51)
(1)
(1)
(2)
(79)
(4)
(29)
(13)
(9)
(2)
(1)
(5)
(1)
(33)
(2)
(29)
(10)
(67)
(1)
(1)
(32)
(6)
(68)
(7)
(83)
(1)
(5)
(25)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(2)
(5)
(3)
(1)
(32)
(1)
(1)
(1)
(2)
(8)
(1)
(1)
(1)
(4)
(6)
(6)
(1)
(3)
(2)
(1)
(1)
(1)
(2)
(5)
(3)
(1)
(2)
(1)
(3)
(2)
(1)
(1)
(171)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(15)
(1)
(1)
(1)
(184)
(1)
(2)
(1)
(63)
(2)
(11)
(1)
(47)
(2)
(29)
(1)
(94)
(1)
(1)
(4)
(6)
(1)
(2)
(1)
(1)
(8)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(1)
(36)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(2)
(2)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(6)
(2)
(1)
(3)
(1)
(1)
(1)
(1)
(2)
(1)
(8)
(2)
(1)
(3)
(1)
(1)
(8)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(3)
(1)
(1)
(1)
(3)
(9)
(1)
(4)
(1)
(1)
(3)
(1)
(1)
(10)
(64)
(1)
(1)
(5)
(10)
(3)
(1)
(2)
(1)
(3)
(2)
(1)
(1)
(1)
(16)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(3)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(3)
(1)
(1)
(29)
(29)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(33)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(2)
(1)
(2)
(2)
(3)
(2)
(1)
(1)
(2)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(2)
(4)
(5)
(9)
(6)
(2)
(1)
(2)
(4)
(1)
(3)
(1)
(5)
(3)
(3)
(1)
(1)
(1)
(2)
(6)
(1)
(1)
(1)
(1)
(1)
(4)
(4)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(8)
(1)
(6)
(1)
(1)
(1)
(3)
(1)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(7)
(1)
(1)
(29)
(29)
(4)
(30)
(1)
(2)
(1)
(52)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(8)
(2)
(3)
(6)
(1)
(3)
(2)
(2)
(3)
(3)
(1)
(1)
(1)
(2)
(29)
(1)
(4)
(8)
(1)
(5)
(18)
(49)
(8)
(1)
(3)
(2)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(8)
(2)
(6)
(3)
(8)
(3)
(3)
(2)
(6)
(1)
(1)
(8)
(2)
(2)
(2)
(1)
(1)
(15)
(1)
(1)
(2)
(1)
(3)
(1)
(1)
(14)
(2)
(1)
(7)
(1)
(3)
(1)
(9)
(1)
(1)
(1)
(2)
(4)
(1)
(33)
(2)
(1)
(2)
(7)
(3)
(1)
(13)
(4)
(2)
(2)
(1)
(1)
(15)
(1)
(1)
(1)
(1)
(1)
(5)
(1)
(29)
(3)
(1)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(33)
(2)
(1)
(1)
(1)
(1)
(6)
(1)
(2)
(1)
(1)
(2)
(1)
(1)
(1)
(9)
(12)
(1)
(1)
(3)
(1)
(5)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(10)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(112)
(6)
(1)
(1)
(1)
(1)
(14)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(8)
(5)
(2)
(2)
(1)
(1)
(2)
(1)
(1)
(3)
(2)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(3)
(36)
(1)
(10)
(1)
(1)
(3)
(3)
(1)
(1)
(1)
(2)
(4)
(1)
(1)
(5)
(1)
(1)
(3)
(4)
(1)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(2)
(1)
(8)
(1)
(3)
(1)
(2)
(1)
(1)
(12)
(2)
(4)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(3)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(1)
(20)
(6)
(4)
(4)
(1)
(2)
(1)
(1)
(3)
(1)
(2)
(1)
(1)
(1)
(1)
(5)
(1)
(1)
(1)
(5)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(3)
(1)
(1)
(1)
(1)
(3)
(1)
(136)
(3)
(1)
(1)
(1)
(1)
(1)
(14)
(29)
(2)
(4)
(1)
(2)
(8)
(2)
(2)
(5)
(26)
(2)
(4)
(7)
(3)
(7)
(3)
(2)
(3)
(5)
(4)
(3)
(2)
(23)
(4)
(2)
(3)
(7)
(2)
(29)
(3)
(2)
(3)
(2)
(3)
(2)
(6)
(2)
(126)
(7)
(3)
(3)
(2)
(2)
(17)
(8)
(25)
(3)
(2)
(2)
(36)
(8)
(2)
(7)
(10)
(2)
(32)
(3)
(2)
(2)
(3)
(3)
(5)
(2)
(118)
(3)
(2)
(6)
(2)
(31)
(3)
(4)
(2)
(38)
(2)
(2)
(2)
(2)
(8)
(2)
(5)
(2)
(2)
(2)
(5)
(3)
(2)
(6)
(2)
(3)
(2)
(112)
(2)
(2)
(2)
(2)
(2)
(3)
(2)
(4)
(3)
(2)
(3)
(4)
(2)
(3)
(4)
(5)
(3)
(3)
(3)
(2)
(3)
(2)
(11)
(2)
(3)
(2)
(2)
(9)
(2)
(2)
(3)
(2)
(3)
(5)
(2)
(6)
(5)
(14)
(4)
(6)
(2)
(6)
(2)
(8)
(2)
(4)
(23)
(4)
(3)
(2)
(35)
(4)
(3)
(16)
(2)
(8)
(3)
(2)
(2)
(2)
(3)
(3)
(2)
(40)
(4)
(3)
(2)
(3)
(8)
(3)
(3)
(2)
(2)
(2)
(2)
(4)
(7)
(2)
(9)
(2)
(2)
(2)
(4)
(2)
(2)
(29)
(9)
(2)
(4)
(2)
(2)
(2)
(3)
(8)
(23)
(31)
(32)
(2)
(2)
(3)
(4)
(4)
(3)
(3)
(2)
(2)
(2)
(3)
(2)
(3)
(2)
(2)
(2)
(2)
(2)
(3)
(6)
(2)
(14)
(4)
(2)
(3)
(5)
(2)
(7)
(23)
(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)
(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)
0 of 303
Showing 581 - 597 of 597 results
  • Civil Aeronautics Journal May 15 1940
    Civil Aeronautics Journal: May 15, 1940
    United States. Department of Commerce. Civil Aeronautics Authority  ...
    1940-05-15 | Civil Aeronautics Journal | PDF
    The Civil Aeronautics Journal was issued twice monthly by the Civil Aeronautics Authority (CAA). The CAA oversaw civil aviation in the United States from 1938 until 1958, when it was superseded by the Federal Aviation Administration. Journal topics included announcements of new airlines and air transportation routes, private flying accident and ope ...
  • SevenTwenty May 1940
    Seven-Twenty: May 1940
    United States. Department of Commerce. Civil Aeronautics Administration  ...
    1940-05-01 | Seven-Twenty | PDF
    Seven-Twenty was a monthly magazine first issued in 1938 devoted to activities of the Civil Aeronautics Authority in the field and in the Washington office. The newsletter was a "reminder that there are 30 x 24 = 720 hours per month to work, sleep and play, and it is the intent of this periodical to assist us all in the enjoyment of at least the fi ...
  • Civil Aeronautics Journal May 1 1940
    Civil Aeronautics Journal: May 1, 1940
    United States. Department of Commerce. Civil Aeronautics Authority  ...
    1940-05-01 | Civil Aeronautics Journal | PDF
    The Civil Aeronautics Journal was issued twice monthly by the Civil Aeronautics Authority (CAA). The CAA oversaw civil aviation in the United States from 1938 until 1958, when it was superseded by the Federal Aviation Administration. Journal topics included announcements of new airlines and air transportation routes, private flying accident and ope ...
  • Civil Aeronautics Journal April 15 1940
    Civil Aeronautics Journal: April 15, 1940
    United States. Department of Commerce. Civil Aeronautics Authority  ...
    1940-04-15 | Civil Aeronautics Journal | PDF
    The Civil Aeronautics Journal was issued twice monthly by the Civil Aeronautics Authority (CAA). The CAA oversaw civil aviation in the United States from 1938 until 1958, when it was superseded by the Federal Aviation Administration. Journal topics included announcements of new airlines and air transportation routes, private flying accident and ope ...
  • SevenTwenty April 1940
    Seven-Twenty: April 1940
    United States. Department of Commerce. Civil Aeronautics Administration  ...
    1940-04-01 | Seven-Twenty | PDF
    Seven-Twenty was a monthly magazine first issued in 1938 devoted to activities of the Civil Aeronautics Authority in the field and in the Washington office. The newsletter was a "reminder that there are 30 x 24 = 720 hours per month to work, sleep and play, and it is the intent of this periodical to assist us all in the enjoyment of at least the fi ...
  • Civil Aeronautics Journal April 1 1940
    Civil Aeronautics Journal: April 1, 1940
    United States. Department of Commerce. Civil Aeronautics Authority  ...
    1940-04-01 | Civil Aeronautics Journal | PDF
    The Civil Aeronautics Journal was issued twice monthly by the Civil Aeronautics Authority (CAA). The CAA oversaw civil aviation in the United States from 1938 until 1958, when it was superseded by the Federal Aviation Administration. Journal topics included announcements of new airlines and air transportation routes, private flying accident and ope ...
  • Civil Aeronautics Journal March 15 1940
    Civil Aeronautics Journal: March 15, 1940
    United States. Department of Commerce. Civil Aeronautics Authority  ...
    1940-03-15 | Civil Aeronautics Journal | PDF
    The Civil Aeronautics Journal was issued twice monthly by the Civil Aeronautics Authority (CAA). The CAA oversaw civil aviation in the United States from 1938 until 1958, when it was superseded by the Federal Aviation Administration. Journal topics included announcements of new airlines and air transportation routes, private flying accident and ope ...
  • SevenTwenty March 1940
    Seven-Twenty: March 1940
    United States. Department of Commerce. Civil Aeronautics Administration  ...
    1940-03-01 | Seven-Twenty | PDF
    Seven-Twenty was a monthly magazine first issued in 1938 devoted to activities of the Civil Aeronautics Authority in the field and in the Washington office. The newsletter was a "reminder that there are 30 x 24 = 720 hours per month to work, sleep and play, and it is the intent of this periodical to assist us all in the enjoyment of at least the fi ...
  • Civil Aeronautics Journal March 1 1940
    Civil Aeronautics Journal: March 1, 1940
    United States. Department of Commerce. Civil Aeronautics Authority  ...
    1940-03-01 | Civil Aeronautics Journal | PDF
    The Civil Aeronautics Journal was issued twice monthly by the Civil Aeronautics Authority (CAA). The CAA oversaw civil aviation in the United States from 1938 until 1958, when it was superseded by the Federal Aviation Administration. Journal topics included announcements of new airlines and air transportation routes, private flying accident and ope ...
  • Civil Aeronautics Journal February 15 1940
    Civil Aeronautics Journal: February 15, 1940
    United States. Department of Commerce. Civil Aeronautics Authority  ...
    1940-02-15 | Civil Aeronautics Journal | PDF
    The Civil Aeronautics Journal was issued twice monthly by the Civil Aeronautics Authority (CAA). The CAA oversaw civil aviation in the United States from 1938 until 1958, when it was superseded by the Federal Aviation Administration. Journal topics included announcements of new airlines and air transportation routes, private flying accident and ope ...
  • 720 Hour Check February 1940
    720 Hour Check: February 1940
    United States. Department of Commerce. Civil Aeronautics Administration  ...
    1940-02-01 | Seven-Twenty | PDF
    Seven-Twenty was a monthly magazine first issued in 1938 devoted to activities of the Civil Aeronautics Authority in the field and in the Washington office. The newsletter was a "reminder that there are 30 x 24 = 720 hours per month to work, sleep and play, and it is the intent of this periodical to assist us all in the enjoyment of at least the fi ...
  • Civil Aeronautics Journal February 1 1940
    Civil Aeronautics Journal: February 1, 1940
    United States. Department of Commerce. Civil Aeronautics Authority  ...
    1940-02-01 | Civil Aeronautics Journal | PDF
    The Civil Aeronautics Journal was issued twice monthly by the Civil Aeronautics Authority (CAA). The CAA oversaw civil aviation in the United States from 1938 until 1958, when it was superseded by the Federal Aviation Administration. Journal topics included announcements of new airlines and air transportation routes, private flying accident and ope ...
  • Civil Aeronautics Journal January 15 1940
    Civil Aeronautics Journal: January 15, 1940
    United States. Department of Commerce. Civil Aeronautics Authority  ...
    1940-01-15 | Civil Aeronautics Journal | PDF
    The Civil Aeronautics Journal was issued twice monthly by the Civil Aeronautics Authority (CAA). The CAA oversaw civil aviation in the United States from 1938 until 1958, when it was superseded by the Federal Aviation Administration. Journal topics included announcements of new airlines and air transportation routes, private flying accident and ope ...
  • 720 Hour Check January 1940
    720 Hour Check: January 1940
    United States. Department of Commerce. Civil Aeronautics Administration  ...
    1940-01-01 | Seven-Twenty | PDF
    Seven-Twenty was a monthly magazine first issued in 1938 devoted to activities of the Civil Aeronautics Authority in the field and in the Washington office. The newsletter was a "reminder that there are 30 x 24 = 720 hours per month to work, sleep and play, and it is the intent of this periodical to assist us all in the enjoyment of at least the fi ...
  • Civil Aeronautics Journal January 1 1940
    Civil Aeronautics Journal: January 1, 1940
    United States. Department of Commerce. Civil Aeronautics Authority  ...
    1940-01-01 | Civil Aeronautics Journal | PDF
    The Civil Aeronautics Journal was issued twice monthly by the Civil Aeronautics Authority (CAA). The CAA oversaw civil aviation in the United States from 1938 until 1958, when it was superseded by the Federal Aviation Administration. Journal topics included announcements of new airlines and air transportation routes, private flying accident and ope ...
  • 720 Hour Check March 1939
    720 Hour Check: March 1939
    United States. Department of Commerce. Civil Aeronautics Administration  ...
    1939-03-01 | Seven-Twenty | PDF
    Seven-Twenty was a monthly magazine first issued in 1938 devoted to activities of the Civil Aeronautics Authority in the field and in the Washington office. The newsletter was a "reminder that there are 30 x 24 = 720 hours per month to work, sleep and play, and it is the intent of this periodical to assist us all in the enjoyment of at least the fi ...
  • 720 Hour Check January 1938
    720 Hour Check: January 1938
    United States. Department of Commerce. Civil Aeronautics Administration  ...
    1938-01-01 | Seven-Twenty | PDF
    Seven-Twenty was a monthly magazine first issued in 1938 devoted to activities of the Civil Aeronautics Authority in the field and in the Washington office. The newsletter was a "reminder that there are 30 x 24 = 720 hours per month to work, sleep and play, and it is the intent of this periodical to assist us all in the enjoyment of at least the fi ...
581 - 597 / 597