BHT-206L3-MM-1
5-00-00
Page 8 Rev. 21 7 JUN 2013 Export Classification C, ECCN EAR99
• As required by manufacturer
• Weekly inspection
• 12-month inspection
• 12 months of component operation
• 24-month inspection
• 60-month inspection
• 300-hour or 12-month inspection
• 600 hours of component operation
• 600 hours or 12 months of component
operation
• 1200 hours of component operation
• 1500 hours of component operation
• 1500 hours of component operation and every
50 hours thereafter
• 2250 hours or 60 months of component
operation
• 3000 hours of component operation
5-11. 300-HOUR AIRFRAME PROGRESSIVE
INSPECTION PROGRAM
The 300-hour airframe progressive inspection
program has 6 events. Events occur at intervals of
50 hours. After you complete event No. 6, the cycle
begins again with event No. 1 (Table 5-2). You must do
a minimum of one complete cycle (all six events)
within 12 calendar months. If you do not complete all
six events in a 12 calendar month period, the
remaining events must be completed prior to operating
the helicopter.
In addition to performing the 300-hour airframe
progressive inspection program, you also need to
perform and record the following scheduled
inspections:
Helicopters completing the 300-hour
airframe progressive inspection program
also need to accomplish the 100-hour
inspection.
• 100-hour inspection
• 1000-hour inspection
• 1200-hour inspection
• As required by manufacturer
• Weekly inspection
• 12-month inspection
• 12 months of component operation
• 24-month inspection
• 60-month inspection
• Deleted
• 600 hours of component operation
• 600 hours or 12 months of component
operation
• 1200 hours of component operation
• 1500 hours of component operation
Table 5-2. 300-Hour Airframe Progressive
Inspection Events
AIRFRAME
HOURS
EVENT
NUMBER
MAINTENANCE
ZONES
50 1 1 and 2
100 2 3
150 3 4
200 4 5 and 6
250 5 7 and 8
300 6 9 and 10
Table 5-2. 300-Hour Airframe Progressive
Inspection Events (Cont)
AIRFRAME
HOURS
EVENT
NUMBER
MAINTENANCE
ZONES
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