[Federal Register: January 23, 2008 (Volume 73, Number 15)]
[Proposed Rules]
[Page 3882-3884]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr23ja08-10]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 23
[Docket No. CE284; Notice No. 23-08-02-SC]
Special Conditions: Embraer S.A.; Model EMB-500; Static Pressure
System
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Notice of proposed special conditions.
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SUMMARY: This notice proposes special conditions for the Embraer S.A.;
Model EMB-500 airplane. This airplane has a novel or unusual design
feature associated with the static pressure system. The applicable
airworthiness regulations do not contain adequate or appropriate safety
standards for this design feature. These proposed special conditions
contain the additional safety standards that the Administrator
considers necessary to harmonize with Brazil's Agencia Nacional de
Aviacao Civil (ANAC) and to maintain the same level of safety between
the ANAC Type Certificate and the U.S. Type Certificate.
DATES: Comments must be received on or before February 22, 2008.
ADDRESSES: Mail comments on this proposal in duplicate to: Federal
Aviation Administration, Regional
[[Page 3883]]
Counsel, ACE-7, Attention: Rules Docket, Docket No. CE284, 901 Locust,
Room 506, Kansas City, Missouri 64106, or delivered in duplicate to the
Regional Counsel at the above address. Comments must be marked: CE284.
Comments may be inspected in the Rules Docket weekdays, except Federal
holidays, between 7:30 a.m. and 4 p.m.
FOR FURTHER INFORMATION CONTACT: Leslie B. Taylor, Federal Aviation
Administration, Aircraft Certification Service, Small Airplane
Directorate, ACE-111, 901 Locust, Room 301, Kansas City, Missouri, 816-
329-4134, fax 816-329-4090, e-mail at leslie.b.taylor@faa.gov.
SUPPLEMENTARY INFORMATION:
Comments Invited
Interested persons are invited to participate in the making of
these proposed special conditions by submitting such written data,
views, or arguments as they may desire. Identify the regulatory docket
or notice number and submit them in duplicate to the address specified
above. All communications received on or before the closing date for
comments will be considered by the Administrator. The proposals
described in this notice may be changed in light of the comments
received. All comments received will be available in the Rules Docket
for examination by interested persons, both before and after the
closing date for comments. A report summarizing each substantive public
contact with FAA personnel concerning this rulemaking will be filed in
the docket. If you wish the FAA to acknowledge receipt of the comments
submitted in response to this notice, include with those comments a
self-addressed, stamped postcard on which the following statement is
made: ``Comments to Docket No. CE284.'' The postcard will be date
stamped and returned to the commenter.
Background
On October 5, 2005, Embraer S.A. applied for a type certificate for
their new Model EMB-500. The EMB-500 is a twin engine jet of a type
popularly referred to as a very light jet. The airplane is proposed to
be type certificated in the normal category of 14 CFR part 23 (and
comparable Brazilian requirements RBHA 23). The EMB-500 is
predominantly of metallic construction and is a conventionally
configured low-wing monoplane with a T-tail and tricycle landing gear.
The two Pratt and Whitney of Canada 1,600 pound thrust P&WC 617F/1
turbofan engines are aft fuselage mounted in typical business jet
fashion. The engines are full authority digital engine control (FADEC)
equipped.
The airplane's maximum takeoff weight is 9,965 pounds. The
VMO/MMO is 275 KIAS/M .70, with a maximum
operating altitude of 41,000 feet. Requested operations are day/night
VFR/IFR, and icing operations approval is requested.
The advance of electronic technology in altimetry systems has
permitted a better precision of altitude measurements, including the
improvements to Altimetry System Error (ASE) (difference between the
pressure altitude displayed to the flightcrew when referenced to the
International Standard Atmosphere (ISA) standard ground pressure
setting and free stream pressure), Static Source Error (difference
between the pressure sensed by the static system at the static port and
the undisturbed ambient pressure) and Static Source Error Correction
(SSEC) (correction for static source error). These parameters are
essential, for example, in operation in Reduced Vertical Minimum
Separation (RVSM) airspace. This special condition for the Embraer EMB-
500 airplane for the Static Pressure System, including new avionics and
certain performance characteristics inherent in this type of airplane,
was partially envisioned in existing regulations. This special
condition contains the additional airworthiness standards that the FAA
considers necessary to harmonize with ANAC and to maintain the same
level of safety between the ANAC Type Certificate and the U.S. Type
Certificate.
Type Certification Basis
Under the provisions of 14 CFR part 21, Sec. 21.17, Embraer S.A.
must show that the EMB-500 meets the applicable provisions of 14 CFR
part 23, as amended by Amendment 23-1 through Amendment 23-55 thereto.
If the Administrator finds that the applicable airworthiness
regulations (i.e., 14 CFR part 23) do not contain adequate or
appropriate safety standards for the EMB-500 because of a novel or
unusual design feature, special conditions are prescribed under the
provisions of Sec. 21.16.
In addition to the applicable airworthiness regulations and special
conditions, the EMB-500 must comply with the fuel vent and exhaust
emission requirements of 14 CFR part 34 and the noise certification
requirements of 14 CFR part 36; and the FAA must issue a finding of
regulatory adequacy pursuant to section 611 of Public Law 92-574, the
``Noise Control Act of 1972.''
Special conditions, as appropriate, as defined in Sec. 11.19, are
issued in accordance with Sec. 11.38 and become part of the type
certification basis in accordance with Sec. 21.17(a)(2).
Special conditions are initially applicable to the model for which
they are issued. Should the type certificate for that model be amended
later to include any other model that incorporates the same novel or
unusual design feature, the special conditions would also apply to the
other model under the provisions of Sec. 21.101.
Novel or Unusual Design Features
The EMB-500 will incorporate the following novel or unusual design
features:
The avionics system provides corrections to the altimeter
indication, which introduces failure conditions not in other Static
Pressure Systems.
Applicability
As discussed above, these special conditions are applicable to the
EMB-500. If Embraer S.A. applies at a later date for a change to the
type certificate to include another model incorporating the same novel
or unusual design feature, the special conditions would apply to that
model as well under Sec. 21.101.
Conclusion
This action affects only certain novel or unusual design features
on one model of airplane. It is not a rule of general applicability and
affects only the applicant who applied to the FAA for approval of these
features on the airplane.
List of Subjects in 14 CFR Part 23
Aircraft, Aviation safety, Signs and symbols.
Citation
The authority citation for these special conditions is as follows:
Authority: 49 U.S.C. 106(g), 40113 and 44701; 14 CFR 21.16 and
21.17; and 14 CFR 11.38 and 11.19.
The Proposed Special Conditions
Accordingly, the Federal Aviation Administration proposes the
following special conditions as part of the type certification basis
for the Embraer S.A.; Model EMB-500 airplanes.
Static Pressure System
If an altimeter system is fitted with a device that provides
corrections to the altimeter indication, the device must be designed
and installed in such a manner that it can be bypassed when it
malfunctions, unless an alternate altimeter system is provided. Each
correction device must be fitted with a
[[Page 3884]]
means for indicating occurrence of reasonably probable malfunctions,
including power failure, to the flightcrew.
Issued in Kansas City, Missouri, on January 15, 2008.
James E. Jackson,
Acting Manager, Small Airplane Directorate, Aircraft Certification
Service.
[FR Doc. E8-1076 Filed 1-22-08; 8:45 am]
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