AFS-13-123-E

December 28, 2012

 Exemption No. 10678

 Regulatory Docket No. FAA-2012-1310

Mr. Scott Grenrock

Parent of Zoe Grenrock

3844 N. Clark St. # 1N

Chicago, Illinois 60613

Dear Mr. Grenrock:

This letter is to inform you that we have granted your request for exemption. It transmits our 

decision, explains its basis, and lists the conditions and limitations of the exemption, 

including the date it ends.

The Basis for Our Decision

By letter received November 30, 2012, you petitioned the Federal Aviation Administration 

(FAA) on behalf of Zoe Grenrock for an exemption from § 121.311(b)(2)(iii)(B) of Title 14, 

Code of Federal Regulations (14 CFR). That exemption, if granted, would allow Zoe to 

exceed the specified weight limit for an FAA-approved child restraint system (CAReS, 

manufactured by AmSafe Corporation) during use of that child restraint system (CRS) aboard 

a United States (U.S.) aircraft.

The FAA has determined that good cause exists for not publishing a summary of the petition 

in the Federal Register because the requested exemption would not set a precedent and any 

delay in acting on this petition would be detrimental to Zoe.

The FAA has issued grants of exemption in circumstances similar in all material respects to 

those presented in your petition. In Grant of Exemption No. 9834 (copy enclosed), the FAA 
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found that numerous people with physical challenges had previously completed flights using 

restraint systems that addressed unique physical needs regarding safety, support, and security 

in the same manner of operations as described in this petition. The FAA further found that the 

petition, if granted, would not set any new precedents regarding the use of restraint systems by 

persons with disabilities.

Having reviewed your reasons for requesting an exemption, I find that—

• they do not differ materially from those presented by the petitioner in the enclosed grant.

• the reasons stated by the FAA for granting the enclosed exemption also apply to the 

situation you present; and 

• a grant of exemption is in the public interest.

Our Decision

Under the authority contained in 49 U.S.C. 40113 and 44701, which the FAA Administrator 

has delegated to me, I hereby grant Zoe Grenrock exemption from 

14 CFR § 121.311(b)(2)(iii)(B). In addition, any air carrier or commercial operator operating 

under part 121 while Zoe is aboard its aircraft is granted an exemption from

14 CFR § 121.311(b)(2)(iii)(B) to the extent necessary to allow Zoe to exceed the specified 

weight limit for an FAA-approved CRS during use of that CRS aboard a U.S. aircraft.

All operations under this exemption must be conducted with at least one of 

Zoe’s parents or a caregiver accompanying her. Zoe Grenrock may only occupy a passenger 

seat with no passenger seated behind her. In addition, Zoe’s parent or caregiver must carry a 

copy of this exemption and advise the air carrier about the contents of the exemption at least 

48 hours before the date of each flight.

This exemption terminates on January 31, 2015, unless sooner superseded or rescinded.

Sincerely,

/s/

John S. Duncan

Deputy Director, Flight Standards Service

Enclosure