Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-12 Airplanes

[Federal Register Volume 63, Number 77 (Wednesday, April 22, 1998)]
[Rules and Regulations]
[Pages 19798-19799]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 98-10596]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. 97-CE-98-AD; Amendment 39-10367; AD 98-05-06]
RIN 2120-AA64


Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-12 
Airplanes

AGENCY: Federal Aviation Administration, DOT.

ACTION: Direct final rule; confirmation of effective date.

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SUMMARY: This action confirms the effective date of Airworthiness 
Directive (AD) 98-05-06, which applies to Pilatus Aircraft Ltd. 
(Pilatus) Model PC-12 airplanes. AD 98-05-06 requires inspecting the 
elevator for incorrect rivet lengths and installing new rivets if 
incorrect rivet lengths are found. This AD also requires inspecting the 
elevator to assure that an excessive gap (more than .004 inches or .1 
millimeters (mm)) does not exist in the rivet shanks, and installing a 
shim between the rib and skin to fill any excessive gap. This AD is the 
result of mandatory continuing airworthiness information (MCAI) issued 
by the airworthiness authority for Switzerland. The actions specified 
in this AD are intended to prevent fatigue damage to the elevator, 
which could result in structural failure and eventual loss of control 
of the airplane.

EFFECTIVE DATE: May 29, 1998.

FOR FURTHER INFORMATION CONTACT: Mr. Roman T. Gabrys, Aerospace 
Engineer, Small Airplane Directorate, Airplane Certification Service, 
FAA, 1201 Walnut, suite 900, Kansas City, Missouri 64106; telephone: 
(816) 426-6932; facsimile: (816) 426-2169.

SUPPLEMENTARY INFORMATION: The FAA published this direct final rule 
with request for comments in the Federal Register on March 3, 1998 (63 
FR 10299). The FAA uses the direct final rulemaking procedure for a 
non-controversial rule where the FAA anticipates that there will be no 
adverse public comment. This direct final rule advised the public that 
no adverse comments were anticipated, and that unless a written adverse 
comment, or a written notice of intent to submit such an adverse 
comment, was received within the comment period, the regulation would 
become effective on May 29, 1998. No adverse comments were received, 
and thus this notice confirms that this final rule will become 
effective on that date.


[[Page 19799]]


    Issued in Kansas City, Missouri, on April 14, 1998.
Michael Gallagher,
Manager, Small Airplane Directorate, Aircraft Certfication Service.
[FR Doc. 98-10596 Filed 4-21-98; 8:45 am]
BILLING CODE 4910-13-U

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