About Private Pilot Certificate results of 8,247
29:25
27:08
28:56
27:03
26:07
31:24
31:26
23:59
34:22
24:46
33:37
23:04
40:15![Zeitgeist Day 2013: Jason Lord | "Thinking in Systems" [Part 6 of 11]](https://thumbnail.voicetube.com/w/480/h/270/jkC9fEHuwX0.jpg)
25:59
33:12
29:06
30:18
25:05
29:59
27:33
25:21
25:56
27:18
27:59
27:58
23:38
30:00
33:43
22:56
34:18
28:21
31:08
30:25
30:24
62:37
27:10
21:11
62:53
29:46
41:55
148:52
37:59
48:30
42:55
201:15
184:22