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        <ExplanationTxt>NBAA DOES NOT ENGAGE IN POLITICAL ACTIVITY, ONLY LOBBYING.</ExplanationTxt>
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      <CYMinus4YrEndwmtFundGrp />
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        <ExplanationTxt>The Association must recognize the tax benefit associated with tax positions taken for tax return purposes when it is more-likely-than not that the position will be sustained. The Associations management believes it has no material uncertain tax positions and; accordingly, it will not recognize any liability for unrecognized tax benefits. For the years ended June 30, 2019 and 2018, the Association did not recognize any interest or penalties. The tax years ended June 30, 2015 through 2018 remain open to examination by the taxing jurisdictions to which the Association is subject, and they have not been extended beyond the applicable statute of limitations. No examinations are currently in process.</ExplanationTxt>
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        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
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        <TotalCompensationFilingOrgAmt>319205</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Holly Clark</PersonNm>
        <TitleTxt>Chief People OfF (thru JAN 20)</TitleTxt>
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        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
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        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Todd Wormington</PersonNm>
        <TitleTxt>DIR, INFORMATION TECHNOLOGY</TitleTxt>
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        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
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        <PersonNm>Linda Peters</PersonNm>
        <TitleTxt>Vice President Exhibits</TitleTxt>
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        <TotalCompensationFilingOrgAmt>278606</TotalCompensationFilingOrgAmt>
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      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Mary Margo Demark</PersonNm>
        <TitleTxt>Senior Manager, Membership</TitleTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1A</FormAndLineReferenceDesc>
        <ExplanationTxt>NBAA RECOGNIZES THAT, UNDER CERTAIN CIRCUMSTANCES, TRAVEL MAY BE REQUIRED BY THE PRESIDENT/CEO, FOR WHICH THERE IS NO COMMERCIAL AIRLINE SERVICE, OR THE AIRLINE SERVICE AVAILABLE DOES NOT MEET THE SCHEDULING REQUIREMENTS INVOLVED. IN THESE INSTANCES, NBAA MAY ELECT TO PROVIDE FOR CHARTER TRAVEL, AFTER REVIEWING ALL TRANSPORT OPTIONS, AND DETERMINING THE OPTION(S) THAT BEST MEET(S) THE TRAVEL NEEDS. IF A CHARTERED FLIGHT IS INVOLVED IN A GIVEN TRIP, OTHER STAFF MAY BE INCLUDED AS PASSENGERS ON THE FLIGHT.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 1B</FormAndLineReferenceDesc>
        <ExplanationTxt>CHARTER TRAVEL IS BILLED TO NBAA. NBAA VERIFIES THE INVOICE AND PAYS THE BILL ACCORDINGLY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 4B</FormAndLineReferenceDesc>
        <ExplanationTxt>THE CEO AND COO HAVE A DEFERRED COMPENSATION PLAN THAT IS SCHEDULED TO BE PAID IN FUTURE YEARS.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="IRS990ScheduleO">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART III, LINE 4D OTHER PROGRAM SERVICES</FormAndLineReferenceDesc>
        <ExplanationTxt>Conference and Seminar Programs: The Association offers a comprehensive program of information seminars, conferences and workshops for flight department personnel. All job functions, including schedulers, dispatchers, flight attendants, maintenance managers, technicians, chief pilots and aviation department managers are covered. The conferences and seminars address current industry trends and issues as well as basic hands-on information for the successful day-to-day operation of a company's flight department. Operations Services: The Flight Operations activities cover a wide variety of issues facing the business aviation industry. Such topics include: Safety - Review industry statistics, read safety references or submit anonymous reports on safety concerns or incidents. Security - Information on new and pending security regulations and the new transportation security. Administration (TSA) - information for flight department managers, including the full text of the NBAA management guide. Tax, Finance &amp; Insurance - information on financial issues such as federal/state taxes, ramifications of the personal use of employer provided aircraft, carriage of elected officials and aviation insurance. Maintenance - guidance for maintenance personnel and a wealth of technical information in the maintenance reports database. Airports - NBAA references for airport issues. Airspace/Air traffic - NBAA references for airspace/air traffic issues. International operations - documents and online resources for flying outside of the United States. Members can also search the airport reports database to review comments submitted by business aircraft pilots. Membership Services: NBAA was founded to help aviation companies be more successful in their business aircraft, and membership in the association is essential for optimizing the efficiency, productivity, safety, security and sustainability of aircraft utilization. The organization's membership of more than 11,000 member companies receives a host of services, including education on operational, technical and legislative issues; regular updates to changing regulatory requirements; management skills training; opportunities for peer-to-peer networking; engagement with local, national and international business aviation communities; a voice in government at all levels; professional advancement; and assistance with business development. Advocacy: NBAA is the leading advocate for companies that rely on general aviation aircraft to help make their businesses more efficient, productive and successful. The Association, which represents more than 11,000 companies, promotes policies that foster business aviation in the United States and around the world. Education: As an advocate for companies that rely on general aviation aircraft, a key part of NBAA's mission is to educate policymakers and opinion leaders on the essential nature of business aviation to citizens, communities and companies of all sizes, all across the U.S.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 4 - GOVERNING DOCUMENTS</FormAndLineReferenceDesc>
        <ExplanationTxt>THE BYLAWS WERE AMENDED TO INCLUDE PROFESSIONAL MEMBERS AS A MEMBERSHIP CLASS. THE NEW MEMBER CLASS IS NOT ENTITLED TO VOTE OR BE DEEMED PART OF A QUORUM AT ANY MEETING OF THE ASSOCIATION. FORM 990, PART VI, SECTION A, LINE 6 - MEMBERS/STOCKHOLDERS THE MEMBERS OF THE ASSOCIATION CONSIST OF OPERATING MEMBERS, BUSINESS MEMBERS AND PROFESSIONAL MEMBERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A - OTHER MEMBERS RIGHTS</FormAndLineReferenceDesc>
        <ExplanationTxt>EACH OPERATING MEMBER SHALL HAVE THE RIGHT TO ONE VOTE AT ALL MEETINGS OF THE ASSOCIATION. EACH OPERATING MEMBER SHALL APPOINT IN WRITING ONE OF ITS OFFICERS, BOARD MEMBERS, AND/OR FULL-TIME EMPLOYEES AS ITS REPRESENTATIVE TO ACT FOR IT IN THE AFFAIRS OF THE ASSOCIATION. IT MAY FROM TIME TO TIME, IN THE ABSENCE OF SUCH APPOINTEE, DESIGNATE IN WRITING FROM AMONG ITS OFFICERS, BOARD MEMBERS AND/OR FULL-TIME EMPLOYEES, AN ALTERNATE TO REPRESENT IT TEMPORARILY AND VOTE ON ITS BEHALF. OTHER RIGHTS TO THE MEMBERSHIP MAY BE RESERVED THROUGH APPLICABLE LAW.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11 - FORM 990 REVIEW PROCESS</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is prepared by BDO USA, LLP, CPAs, NBAA's independent outside auditor. The data and information used to prepare the return is provided by NBAA management. Once the return is prepared by BDO and reviewed by NBAA management, it is presented to the NBAA Audit Committee and circulated to the full Board.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C - CONFLICTS OF INTEREST</FormAndLineReferenceDesc>
        <ExplanationTxt>CONFLICT OF INTEREST POLICIES WERE SIGNED BY EACH MEMBER OF THE BOARD OF DIRECTORS AND NBAA SENIOR MANAGEMENT. THE POLICY REQUIRES ALL CONFLICTS OF INTEREST TO BE DISCLOSED. MANAGEMENT PERFORMS INTERNAL REVIEWS TO DETERMINE IF A POTENTIAL CONFLICT IS REQUIRED TO BE DISCLOSED. NBAA'S BOOKS AND RECORDS ARE AUDITED BY AN INDEPENDENT CPA FIRM. AS PART OF THE AUDIT THEY PERFORM A SEARCH FOR CONFLICT OF INTERESTS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15 - DETERMINING COMPENSATION</FormAndLineReferenceDesc>
        <ExplanationTxt>The Compensation Committee of the Board of Directors reviews a compilation of the entire board's evaluation of the CEO's performance, examines benchmark compensation data provided by a compensation consultant that has been aged appropriately if necessary, and minutes of their deliberations and decisions about CEO compensation are distributed and recorded. The Compensation Committee makes recommendations to the full board of directors regarding CEO compensation. It is the full Board of Directors that makes final compensation decisions regarding CEO compensation. The CEO makes a formal presentation to the Compensation Committee of the Board of Directors regarding his evaluation of key employees' performance and makes compensation recommendations for these employees to the committee. The committee examines benchmark compensation data provided by a compensation consultant that has been aged appropriately if necessary, and decides whether or not to approve or amend the CEO's recommendations. Minutes of their deliberations and decisions are distributed and recorded.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19 - AVAILABILITY OF OTHER DOCUMENTS</FormAndLineReferenceDesc>
        <ExplanationTxt>THE ORGANIZATION HAS ITS ARTICLES OF INCORPORATION, BYLAWS AND FINANCIAL STATEMENTS AVAILABLE ON THE NBAA WEBSITE. THE ORGANIZATION MAKES ITS CONFLICT OF INTEREST POLICY AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C - OVERSIGHT/SELECTION PROCESS</FormAndLineReferenceDesc>
        <ExplanationTxt>AUDIT COMMITTEE OVERSIGHT: THE PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XI, LINE 9 - OTHER CHANGES IN NET ASSETS</FormAndLineReferenceDesc>
        <ExplanationTxt>BOOK TO TAX DIFFERENCES FROM PASS THROUGH ENTITY: (12,460)</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART IX LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION:OTHER PROFESSIONAL FEES TOTAL FEES:3712386</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART IX LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION:EXHIBITION INTEGRATED SERVICES TOTAL FEES:2714413</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990 PART IX LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>DESCRIPTION:ROYALTIES AND COMMISSIONS TOTAL FEES:447181</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
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