Inside: NBAA 65TH ANNUAL MEETING MAINTENANCE PREVIEW
North Dakota Air National Guard technician Scott Langston inspecting a C-21.
Military page 16 MAINTENANCE C-21 maintenance program change by the North Dakota Air National Guard
AviationPros.com Included in this month's
Tool and Equipment Supplement Evaluating Your NDI Provider
Workarounds Can cause gradual deterioration of standards page 06