Moving from a Baron to a King Air

Moving from a Baron to a King Air What’s the big deal? By Joe Hertzler July 2001 The inspection process is what keeps our aircraft safe and efficient. The rules are very specific. In order to continue operation of an aircraft...

Look Phase and Special inspections
As inspections go, an inspection program will generally contain multiple Look Phase inspections — inspections that require an inspection guide with several different items to look at, as well as several Special inspections —inspection of specific parts at specific time intervals. Look Phase inspections are usually referred to as A, B, C, D checks or Phase 1, 2, 3 or 4 or 100-hr, 300-hr, etc., while special inspections are simply listed as inspection or functional check requirements to specific components or parts of the aircraft As you can imagine, the requirements of such an inspection program are more specific to the aircraft and its equipment and in some cases, much more detailed than the basic annual inspection requirements contained in Appendix D of Part 43.
So, the difference between an "Annual" type inspection and the "Inspection Program" requirements of Part 91.409 (e) really lie in the type of aircraft being inspected as shown in Table 1.
Next issue, we will get into the detail of what makes up an inspection program recommended by the manufacturer, and some of the FAA guidance material for what is mandatory and what is "on condition" with respect to manufacturer recommendations.

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