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~5-'~ Grapevine Training Center 

A Subsidiary oj SimCom Training Centers 

U.S. DEPARTMENT OF TRANSPORTATION 

Docket Operations M-30, 

Atten: Mr. John Linsenmeyer 

West Bldg Ground Floor Room Wl2-140 

1200 New Jersey A venue, SE 

Washington, DC 20590 

December 3, 2012 

SUBJECT: Letter ofExplanation Reference to Renewal of FAA Exemption Number 9843B, 

Regulatory Docket Number FAA-2008-0853 

Dear Mr Linsenmeyer, 

This Letter of Explanation is being submitted per your request during our telephone conversation on 

November 27,2012. 

PrestoSim, Inc, holder ofF AA Exemption Number 9843B is owned by SimCom Training Centers. 

(See attached Training Center Certificate). Our TCPM is Mr. William D. Hildebrand (See attached 

Business Card and contact information). Effective November 5, 2012, Mr. J. Don Sowell was 

appointed as Traning Center Manager for PrestoSim. PrestoSim's primary business address 

indicated on the Training Center Certificate is accurate. Current phone and fax numbers on this 

communication is current. 

If I may be of further assistance please feel free to contact me. 

Sincerely 

Attachments: Renewal Request 

Training Center Certificate 

Hildebrand Busine~s Card 

Cc: William D. Hildebrand, FAA TCPM 

1000 Nolen Drive, Suite 400 Grapevine, TX 76051 

Phone (817 488-4870 Fax (817) 488-4352 www.prestosim.com · 
Grapevine Training Center 

U.S. DEPARTMENT OF TRANSPORTATION 

Docket Operations M-30, 

West Bldg Ground Floor Room Wl2-140 

1200 New Jersey Avenue, SE 

Washington,DC 20590 

SUBJECT REQUEST: 

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November 01, 2012 

REQUEST FOR RENEWAL OF FAA EXEMPTION NUMBER 9843B (AS AMENDED) REGULATORY 

DOCKET NUMBER: Faa-2008-0853, ALLOWING SINGLE PILOT OPERATIONS OF CESSNA 

CITATION AIRCRAFT. 

To Whom it may concern; 

PrestoSim Inc currently holds FAA exemption, number 9843B, Regulatory Docket number FAA 2008-

0853, from 14 cfr 91.531 (a)(1)(2); 91.9(a) allowing certificated pilots to conduct operations as a Single Pilot in 

Cessna Citation Aircraft. 

We are submitting this letter as written request to renew this itemized exemption for an additional two years, 

with the terms and conditions of the original petition remaining the same. 

PrestoSim submits that the basis of the original decision to grant the exemption has continued intact. Further 

more there have been no change in the conditions and or reasons relative to public safety and interest. 

I would also like to request a fax copy of the approval and then the original be mailed to our office address. 

~/~ Greg P Dawsey 

Training Center Manager 

., 

1000 Nolen Dr. Ste 400,Grapevine, Texas 76051. (800) 393-1075 I Fax (817) 488-4352 
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1000 Nolen Drive, Suite 400 

Grapevine, Texas 76051 

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Original Issue Date: Februafy 15;2005 

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THIS CERTli=ICATE IS NOTTRANSFER1•:BLE, AND ANY MAJOR CHANGE INTHEAI'I'RO'IEOFACUTlES, OR tiTHE 

LOCATION ntEREOF, SHALL 8C JMhEDIAlaY REPOI!1Bl TO 11£ RESI'OiiS1BlE R.IGHT ST.INOAAOS DISTRICT OfflCE. 

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'NSN: 0052~17-9000 
Federal Aviation Administration 

13601 North Freeway 

.Suite 100 

Forth Worth, TX 761 n Ofc: 817-491-5034 

Fax: 817-491-5014 

Cell: 817:S76-9339 

William D. Hildebrand 

Aviation Safety lnspector-OPS 

TCPM-FSC Dallas 

FTPM-CAE-A 320 

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