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Federal Register / Vol. 86, No. 164 / Friday, August 27, 2021 / Proposed Rules b Affected ADs None.

of the local flight standards district office/
certificate holding district office.

c Applicability This AD applies to Stemme AG Model Stemme S 12 gliders, all serial numbers, certificated in any category.

i Related Information 1 For more information about this AD, contact Jim Rutherford, Aviation Safety Engineer, General Aviation & Rotorcraft Section, International Validation Branch, FAA, 901 Locust, Room 301, Kansas City, MO 64106; phone: 816 3294165; fax: 816
3294090; email: jim.rutherford@faa.gov.
2 Refer to European Union Aviation Safety Agency EASA AD 20190082, dated April 12, 2019, for more information. You may examine the EASA AD in the AD docket at https www.regulations.gov by searching for and locating it in Docket No. FAA2021
0716.
3 For service information identified in this AD, contact STEMME AG, Flugplatzstrasse F2, Nr. 67, D15344
Strausberg, Germany; phone: +49 0 3341
36120, fax: +49 0 3341 361230; email:
airworthiness@stemme.de; website: https
www.stemme.com. You may view this referenced service information at the FAA, Airworthiness Products Section, Operational Safety Branch, 901 Locust, Kansas City, MO
64106. For information on the availability of this material at the FAA, call 816 3294148.

d Subject Joint Aircraft System Component JASC
Code 3414, Airspeed/Mach Indicator.
e Unsafe Condition This AD was prompted by mandatory continuing airworthiness information MCAI
issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI
describes the unsafe condition as an airspeed indicator ASI with speed markings inconsistent with the approved and published values beginning of the white and green arc. The FAA is issuing this AD to prevent erroneous information being provided to the pilot, particularly at the lower speed operation limits. The unsafe condition, if not addressed, could result in reduced control of the glider.
f Compliance Comply with this AD within the compliance times specified, unless already done.

lotter on DSK11XQN23PROD with PROPOSALS1

g Required Actions 1 Within 30 days after the effective date of this AD, inspect ASI part number P/N IF
W230 or IFW190 for incorrect markings in accordance with the table in the Appendix, 2.3. Airspeed Indicator Markings, of Stemme Service Bulletin No. P062980027, Revision 00, dated December 17, 2018 the SB. If an ASI marking is incorrect, before further flight, perform one of the following:
i Replace the ASI by following the Actions, Action 2, of the SB; or ii Amend the existing aircraft flight manual AFM for your glider by inserting the Appendix, temporary page 23 SB, 2.3.
Airspeed Indicator Markings, of the SB.
Within 3 months after amending the AFM, replace the ASI by following the Actions, Action 2, of the SB and remove temporary page 23 SB, 2.3. Airspeed Indicator Markings, from the AFM.
2 As of the effective date of this AD, do not install ASI P/N IFW230 or IFW190 on any glider unless it has passed the inspection required by this AD.
h Alternative Methods of Compliance AMOCs 1 The Manager, International Validation Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or local Flight Standards District Office, as appropriate. If sending information directly to the manager of the certification office, send it to the attention of the person identified in Related Information or email: 9AVS-AIR-730-AMOC@faa.gov.
2 Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager
VerDate Sep<11>2014

16:25 Aug 26, 2021

Jkt 253001

Issued on August 20, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202118387 Filed 82621; 8:45 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210714; Project Identifier 2019CE016AD
RIN 2120AA64

Airworthiness Directives; ASI Aviation Type Certificate Previously Held by Reims Aviation S.A. Airplanes Federal Aviation Administration FAA, DOT.
ACTION: Notice of proposed rulemaking NPRM.
AGENCY:

The FAA proposes to adopt a new airworthiness directive AD for all ASI Aviation type certificate previously held by Reims Aviation S.A. Model F406 airplanes. This proposed AD was prompted by mandatory continuing airworthiness information MCAI
originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as failure of a circuit breaker CB switch. This proposed AD would require replacing certain CB switches and establishing a life limit for the CB

SUMMARY:

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switches. The FAA is proposing this AD
to address the unsafe condition on these products.
DATES: The FAA must receive comments on this proposed AD by October 12, 2021.
ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
Federal eRulemaking Portal: Go to https www.regulations.gov. Follow the instructions for submitting comments.
Fax: 202 4932251.
Mail: U.S. Department of Transportation, Docket Operations, M
30, West Building Ground Floor, Room W12 140, 1200 New Jersey Avenue SE, Washington, DC 20590.
Hand Delivery: Deliver to Mail address above between 9 a.m. and 5
p.m., Monday through Friday, except Federal holidays.
For service information identified in this NPRM, contact ASI Aviation, Aerodrome de Reims Prunay, 51360
Prunay, France; telephone: +33 3 26 48
46 84; fax: +33 3 26 49 18 57; email:
contact@asi-aviation.fr; website: https
asi-aviation.fr/page-Accueil.html. You may view this service information at the Airworthiness Products Section, Operational Safety Branch, 901 Locust, Kansas City, MO 64106. For information on the availability of this material at the FAA, call 816 3294148.
Examining the AD Docket You may examine the AD docket at https www.regulations.gov by searching for and locating Docket No.
FAA20210714; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this NPRM, the MCAI, any comments received, and other information. The street address for Docket Operations is listed above.
FOR FURTHER INFORMATION CONTACT:
Gregory Johnson, Aviation Safety Engineer, AIR732 International Validation Section FAA, 901 Locust, Room 301, Kansas City, MO 64106
2641; phone: 720 6265462; email:
gregory.johnson@faa.gov.
SUPPLEMENTARY INFORMATION:
Comments Invited The FAA invites you to send any written relevant data, views, or arguments about this proposal. Send your comments to an address listed under ADDRESSES. Include Docket No.
FAA20210714; Project Identifier 2019CE016AD at the beginning of your comments. The most helpful comments reference a specific portion of
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