BHT-430-MM-2
5-00-00
ECCN EAR99
The Bell Helicopter Textron approved tolerance for
scheduled inspections, special inspections, interim
inspections, and overhaul intervals, unless otherwise
stated, is 10% or up to a maximum of 100 hours
operating time/30 days calendar time, whichever is
less. The tolerances are established for maintenance
scheduling convenience only.
Scheduled inspections, special inspections, interim
inspections, or overhaul intervals required beyond the
stated tolerances must be approved by Product
Support Engineering.
The following is only applicable for those
operators whose governing aviation
authority requires to specifically approve
the inspection and overhaul tolerance.
If approval of the inspection and overhaul tolerance is
required by the applicable governing aviation authority,
this is the responsibility of the owner/operator.
Refer to the Rolls-Royce 250-C40B Operation and
Maintenance Manual for inspection and overhaul
tolerances.
9 SEP 2011 Rev. 18 Page 6A/6B