BHT-206A/B-SERIES-MM-1
5-00-00
30 APR 2013 Rev. 14 Page 11
Export Classification C, ECCN EAR99
SCHEDULED INSPECTIONS
5-7. SCHEDULED INSPECTIONS
FAILURE TO CORRECT CONDITIONS
SUCH AS, BUT NOT LIMITED TO,
CORROSION, EROSION, MECHANICAL
DAMAGE, OR OBVIOUS WEAR FOUND
DURING A SCHEDULED INSPECTION
COULD SERIOUSLY AFFECT THE
AIRWORTHINESS OF THE HELICOPTER.
Scheduled inspections include the airframe and the
component inspections. The scheduled airframe
inspection intervals are related to the airframe
operating time. The component inspection intervals
are related to the component operating time.
5-8. AIRFRAME INSPECTION PROGRAM
Bell Helicopter Textron (BHT) has developed airframe
inspection programs to provide you with the flexibility
to permit maximum helicopter use. Depending on the
configuration of the helicopter, a 100 or 300-hour
airframe progressive inspection as well as a 100 or
300-hour airframe periodic inspection is available. You
may choose one of these BHT inspection programs or
you can design your own program. You are
responsible for the selection of an inspection program
and for its approval by the governing civil aviation
authority.
5-9. AIRFRAME PROGRESSIVE INSPECTION
PROGRAMS
If you choose one of the airframe progressive
inspection programs, you must first get approval from
your local airworthiness authority. The progressive
inspections are divided into separate events of similar
workload (Table 5-1, Tabl e 5- 2, and Figure 5-1).
All conditions of Table 5-3 must be met to
utilize the 300-hour airframe progressive
inspection.
Depending on the helicopter configuration, you have
the option to either use the 100-hour airframe
progressive inspection program or the 300-hour
airframe progressive inspection program. To
determine helicopter eligibility to utilize the 300-hour
airframe progressive inspection program, refer to
Table 5-3.
5-10. 100-HOUR AIRFRAME PROGRESSIVE
INSPECTION PROGRAM
The 100-hour airframe progressive inspection
program has 4 events. Events occur at intervals of
25 hours. After you complete event No. 4, the cycle
begins again with event No. 1 (Table 5-1). You must do
a minimum of one complete cycle (all four events)
within 12 calendar months. If you do not complete all
four events in a 12 calendar month period, the
remaining events must be completed prior to operating
the helicopter.
In addition to performing the 100-hour airframe
progressive inspection program, you also need to
perform and record the following scheduled
inspections:
Every 300 hours of operation, helicopters
completing the 100-hour airframe
progressive inspection program also need
to accomplish the 300-hour inspection.
• 300-hour inspection
• 1200-hour inspection
• As required by manufacturer
Table 5-1. 100-Hour Airframe Progressive
Inspection Events
AIRFRAME
HOURS
EVENT
NUMBER
MAINTENANCE
ZONES
25 1 1, 2, and 3
50 2 4 and 5
75 3 6
100 4 7, 8, 9, and 10
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