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> Regulations
and Human Factors > Regulatory
Compliance > 14 CFR Part 39—Airworthiness Directives
This part specifically deals with Airworthiness
Directives (ADs). An AD is an amendment to the Code of Federal
Regulations. An AD must be complied with before using an affected
product. In the case of a parachute, when
• an unsafe condition exists in a product.
• the condition is likely to exist or develop in other
products of the same type or design.
Under 14 CFR part 39, “No person may
operate aproduct to which an airworthiness directive applies
except in accordance with the requirements of that airworthiness
directive.”
In recent years, there have been a number of
parachute ADs issued by the Administrator. These ADs prescribe
certain actions to be taken by the parachute rigger in order
to ensure the safety and function of parachutes that have been
found in some manner to be defective. If the parachute rigger
does not comply with the AD, the parachute rigger cannot pack,
maintain, or alter the affected parachute. ADs are mailed to
each certificated parachute rigger on the FAA listing. If the
parachute rigger has moved and not complied with the requirements
for an address change, the rigger may not receive the AD. This
introduces an additional problem. Under 14 CFR part 65, subpart
A—General, section 65.21, airmen must register their change
of address within 30 days of moving or they are not able to
exercise the privileges of their certificate.
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