TC APPROVED BHT-430-MM-2
4-00-00
1 NOV 2012 Rev. 19 Page 5
ECCN EAR99
AIRWORTHINESS LIMITATIONS SCHEDULE
4-1. AIRWORTHINESS LIMITATIONS
SCHEDULE
ALL REPAIR AND OVERHAUL
PROCEDURES PUBLISHED BY BELL
HELICOPTER TEXTRON, INCLUDING
COMPONENT RETIREMENT LIFE, ARE
BASED SOLELY ON THE USE OF BELL
APPROVED PARTS AND PROCESSES.
IF PARTS OR PROCESSES DEVELOPED
OR APPROVED BY PARTIES OTHER
THAN BELL HELICOPTER ARE USED,
THEN THE DATA PUBLISHED OR
OTHERWISE SUPPLIED BY BELL
HELICOPTER ARE NOT APPLICABLE.
THE USER IS WARNED TO NOT RELY
ON BELL HELICOPTER DATA FOR
PARTS AND PROCESSES NOT
APPROVED BY BELL HELICOPTER. ALL
APPLICABLE INSPECTIONS AND
REPAIR METHODS MUST BE OBTAINED
FROM THE SUPPLIER OF THE PARTS
OR PROCESSES NOT APPROVED BY
BELL HELICOPTER. BELL HELICOPTER
IS NOT RESPONSIBLE FOR PARTS OR
PROCESSES OTHER THAN THOSE
WHICH IT HAS ITSELF DEVELOPED OR
APPROVED.
CONTINUED USE OF ANY TIME/
CALENDAR/RIN LIFE LIMITED
COMPONENT PAST ITS STATED LIMITS
IS NOT PERMITTED AS IT COULD
SERIOUSLY AFFECT THE
AIRWORTHINESS OF THE HELICOPTER.
THE COMPONENT MUST BE REMOVED
FROM THE HELICOPTER NOT LATER
THAN THE END OF THE LIFE LIMIT. IT
MUST EITHER BE MADE
UNSERVICEABLE OR MARKED IN A
CONSPICUOUS MANNER TO PREVENT
CONTINUED USE, EVEN INADVERTENT
USE.
WHEN A REPLACEMENT PART IS
INSTALLED, THE PART NAME, PART
NUMBER, SERIAL NUMBER, AND
CURRENT OPERATING HOURS, IF
APPLICABLE, MUST BE RECORDED IN
THE HISTORICAL SERVICE RECORD
FOR THE ASSEMBLY OR HELICOPTER.
The requirements stated in Chapter 5 are to
be complied with and the appropriate
maintenance actions are to be performed.
The airworthiness life or inspection interval
for any part number contained in this
schedule applies to all the successive dash
numbers for that component unless it is
otherwise specified.
The mandatory Airworthiness Limitation Schedule
(Ta bl e 4 - 1 ) summarizes the mandatory maximum life,
in hours, years, or by Retirement Index Number (RIN)
of components with a limited airworthiness life. Parts
that are not on the schedule have an unlimited
airworthiness life. The Inspection Limitations Schedule
(Ta bl e 4 - 2 ) summarizes the mandatory inspection
interval in hours.
Refer to the engine manufacturer’s publications for the
airworthiness limitations of the power plant
components.
SOME PARTS ARE INSTALLED AS
ORIGINAL EQUIPMENT ON BOTH
MILITARY AND COMMERCIAL
HELICOPTERS AND MAY HAVE A
LOWER AIRWORTHINESS LIFE AND/OR
OVERHAUL SCHEDULE WHEN USED
ON A MILITARY HELICOPTER. IN
ADDITION, CIRCUMSTANCES
SURROUNDING THEIR USE MAY CALL
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