Airworthiness Directives; Twin Commander Aircraft Corporation 500, 680, 690, and 695 Series Airplanes

[Federal Register Volume 64, Number 2 (Tuesday, January 5, 1999)]
[Rules and Regulations]
[Page 395]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 99-45]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. 96-CE-54-AD; Amendment 39-10821; AD 98-08-25 R1]
RIN 2120-AA64


Airworthiness Directives; Twin Commander Aircraft Corporation 
500, 680, 690, and 695 Series 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) 98-08-25 R1, which applies to certain Twin Commander 
Aircraft Corporation (Twin Commander) 500, 680, 690, and 695 series 
airplanes. AD 98-08-25 R1 requires replacing the nose landing gear 
(NLG) drag link bolt with an approved heat-treated bolt that has the 
manufacturer's serial number, manufacture date, and the last three 
digits of the drawing number (055) on the bolt head; and changing the 
bolt part number (P/N) to be installed on Models 690D and 695A from P/N 
ED10055 to P/N 750076-1. This AD was the result of the FAA 
inadvertently transposing the serial numbers of the 4 affected Model 
695A airplanes. The actions specified in this AD are intended to 
prevent the NLG from collapsing due to failure of a drag link bolt, 
which could result in loss of control of the airplane during landing 
operations.

EFFECTIVE DATE: January 5, 1999.

FOR FURTHER INFORMATION CONTACT: Jeffrey Morfitt, Aerospace Engineer, 
FAA, Seattle Aircraft Certification Office, 1601 Lind Ave. S.W., 
Renton, Washington, 98055-4056; telephone: (206) 227-2595; facsimile: 
(206) 227-1181.

SUPPLEMENTARY INFORMATION: The FAA published this direct final rule 
with request for comments in the Federal Register on October 9, 1998 
(63 FR 54347). 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 January 5, 1999. No adverse comments were received, 
and thus this notice confirms that this final rule becomes effective on 
that date.

    Issued in Kansas City, Missouri, on December 29, 1998.
Marvin R. Nuss,
Acting Manager, Small Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. 99-45 Filed 1-4-99; 8:45 am]
BILLING CODE 4910-13-P

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