Q4f. In thinking only about the technical knowledge you possess of the aircraft, systems or operations you inspect, to what extent did the following sources contribute to you currently having the technical knowledge needed to perform your present job?: Training received from outside sources such as airlines or manufacturers where you may not have received credit

Very great extent
(percent)
Great extent
(percent)
Moderate extent
(percent)
Some extent
(percent)
No extent
(percent)
No basis to judge/Not applicable
(percent)
Don't know
(percent)
9.4 19.7 18.5 14.5 17.6 19.3 1.0