[Federal Register Volume 73, Number 127 (Tuesday, July 1, 2008)]
[Notices]
[Page 37526]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: E8-14879]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration


Advisory Circulars: Extended Operations (ETOPS) and Polar 
Operations, AC 121-42B and Extended Operations (ETOPS) and Operations 
in the North Polar Area, AC 135-42

AGENCY: Federal Aviation Administration, DOT.

ACTION: Notice of issuance of advisory circulars.

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SUMMARY: The issuance of Advisory Circular (AC) 121-42B, Extended 
Operations (ETOPS) and Polar Operations, provides certificate holders 
with guidance for obtaining operational approval to conduct ETOPS under 
14 CFR part 121.
    The issuance of AC 135-42, Extended Operations (ETOPS) and 
Operations in the North Polar Area, provides certificate holders with 
guidance for obtaining operational approval to conduct Extended 
Operations (ETOPS) under 14 CFR part 135.

DATES: Advisory Circular No. 120-42B was issued on June 18, 2008. 
Advisory Circular No. 135-42 was issued on June 12, 2008.

FOR FURTHER INFORMATION CONTACT: Jim Ryan, Aviation Safety Inspector, 
Air Carrier Operations, AFS-220, Federal Aviation Administration, 800 
Independence Ave., SW., Washington, DC 20591; telephone number: (202) 
267-8166. A copy of the final AC may be obtained by accessing the FAA's 
Web page at http://www.faa.gov/avr/arm/nprm.htm.

SUPPLEMENTARY INFORMATION: 

Background

AC No. 121-42B, Extended Operations (ETOPS) and Polar Operations

    This AC concerns those certificate holders applying for approval to 
conduct Extended Operations (ETOPS) under Sec.  121.161, as well as 
those certificate holders applying for approval to conduct flights 
where a portion of which traverse either the North or South Polar 
Areas, as defined in Sec.  121.7. This AC also provides guidance in 
resolving operational issues to certificate holders currently 
conducting such operations.

AC No. 135-42, Extended Operations (ETOPS) and North Polar Area

    This AC provides certificate holders guidance for obtaining 
operational approval to conduct Extended Operations (ETOPS) under Sec.  
135.364. Operations under part 135 with multi-engine powered airplanes 
may be authorized over a route that contains a point farther than 180 
minutes flying time, but no more than 240 minutes flying time, from an 
airport meeting the requirements of Sec. Sec.  135.385, 135.393, and 
135.219 at an approved one-engine inoperative cruise speed (see 14 CFR 
part 135 and Appendix 1 of part 135 for definition of one-engine 
inoperative cruise speed) under standard conditions in still air. This 
AC also provides guidance for obtaining authorization under Sec.  
135.98 to conduct operations in the North Polar Area.

Discussion

    Interested parties were given the opportunity to review and comment 
on the draft ACs during the proposal and development phases. A notice 
of availability and request for comments was published in the Federal 
Register on September 17, 2008, part 121 (72 FR 53044) and part 135 (72 
FR 53078). A summary of the comments and the FAA's responses may be 
obtained by accessing the FAA's Web page at http://www.faa.gov/avr/arm/nprm.htm and at http://www.regulations.gov in Docket No. FAA-1999-6717. 
A copy of the final AC may be obtained by accessing the FAA's Web page 
at http://www.faa.gov/avr/arm/nprm.htm.

    Issued in Washington, DC on June 20, 2008.
John Allen,
Deputy Director, Flight Standards Service, AFS-2.
[FR Doc. E8-14879 Filed 6-30-08; 8:45 am]
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