<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2026"
  xmlns:ecd="http://xbrl.sec.gov/ecd/2026"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="hovr-20260531.xsd" xlink:type="simple"/>
    <context id="cref_535224414">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001930021</identifier>
        </entity>
        <period>
            <startDate>2025-06-01</startDate>
            <endDate>2026-05-31</endDate>
        </period>
    </context>
    <dei:DocumentType contextRef="cref_535224414" id="fc_69825901">DEF 14A</dei:DocumentType>
    <dei:EntityCentralIndexKey contextRef="cref_535224414" id="ixv-3092">0001930021</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag contextRef="cref_535224414" id="ixv-3093">false</dei:AmendmentFlag>
    <dei:EntityRegistrantName contextRef="cref_535224414" id="ixv-3103">New Horizon Aircraft Ltd.</dei:EntityRegistrantName>
    <ecd:InsiderTrdPoliciesProcAdoptedFlag contextRef="cref_535224414" id="ixv-3104">true</ecd:InsiderTrdPoliciesProcAdoptedFlag>
    <ecd:AwardTmgMnpiDiscTextBlock contextRef="cref_535224414" id="ixv-1368">&lt;p style="margin:0;padding:0;border-width:0;font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-variant:normal;font-weight:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:8pt;orphans:2;page-break-after:auto;page-break-before:auto;text-align:justify;text-indent:24pt;widows:3;margin-top:8pt;"&gt;Our policies and practices regarding the granting of equity awards are designed to ensure compliance with applicable securities laws and to maintain the integrity of our executive compensation program. The Compensation Committee is responsible for the timing and terms of equity awards to executives and other eligible employees.&lt;/p&gt; &lt;p style="margin:0;padding:0;border-width:0;font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-variant:normal;font-weight:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:8pt;orphans:2;page-break-after:auto;page-break-before:auto;text-align:justify;text-indent:24pt;widows:3;margin-top:8pt;"&gt; The timing of equity award grants is determined with consideration to a variety of factors, including but not limited to, the achievement of pre&lt;span&gt;-established&lt;/span&gt; performance targets, market conditions and internal milestones. The Company does not necessarily follow a predetermined schedule for the granting of equity awards; instead, each grant is considered on a case&lt;span&gt;-by&lt;/span&gt;&lt;span&gt;-case&lt;/span&gt; basis to align with the Company&#x2019;s strategic objectives and to ensure the competitiveness of our compensation packages. &lt;/p&gt;&lt;div style="margin: 0px; padding: 0px 0px 0pt; border-width: 0px;"&gt; &lt;p style="margin:0;padding:0;border-width:0;font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-variant:normal;font-weight:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:8pt;orphans:2;page-break-after:auto;page-break-before:auto;text-align:justify;text-indent:24pt;widows:3;margin-top:8pt;"&gt; In determining the timing and terms of an equity award, the Board or the Compensation Committee may consider material nonpublic information to ensure that such grants are made in compliance with applicable laws and regulations. The Board&#x2019;s and the Compensation Committee&#x2019;s procedures to prevent the improper use of material nonpublic information in connection with the granting of equity awards includes oversight by legal counsel and, where appropriate, delaying the grant of equity awards until the public disclosure of such material nonpublic information. &lt;/p&gt; &lt;p style="margin:0;padding:0;border-width:0;font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-variant:normal;font-weight:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:8pt;orphans:2;page-break-after:auto;page-break-before:auto;text-align:justify;text-indent:24pt;widows:3;margin-top:8pt;"&gt; The Company is committed to maintaining transparency in its executive compensation practices and to making equity awards in a manner that is not influenced by the timing of the disclosure of material nonpublic information for the purpose of affecting the value of executive compensation. The Company regularly reviews its policies and practices related to equity awards to ensure they meet the evolving standards of corporate governance and continue to serve the best interests of the Company and its shareholders. &lt;/p&gt; &lt;/div&gt;</ecd:AwardTmgMnpiDiscTextBlock>
    <ecd:AwardTmgMethodTextBlock contextRef="cref_535224414" id="ixv-1369">&lt;p style="margin:0;padding:0;border-width:0;font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-variant:normal;font-weight:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:8pt;orphans:2;page-break-after:auto;page-break-before:auto;text-align:justify;text-indent:24pt;widows:3;margin-top:8pt;"&gt;Our policies and practices regarding the granting of equity awards are designed to ensure compliance with applicable securities laws and to maintain the integrity of our executive compensation program. The Compensation Committee is responsible for the timing and terms of equity awards to executives and other eligible employees.&lt;/p&gt;&lt;p style="margin:0;padding:0;border-width:0;font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-variant:normal;font-weight:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:8pt;orphans:2;page-break-after:auto;page-break-before:auto;text-align:justify;text-indent:24pt;widows:3;margin-top:8pt;"&gt; The timing of equity award grants is determined with consideration to a variety of factors, including but not limited to, the achievement of pre&lt;span&gt;-established&lt;/span&gt; performance targets, market conditions and internal milestones. The Company does not necessarily follow a predetermined schedule for the granting of equity awards; instead, each grant is considered on a case&lt;span&gt;-by&lt;/span&gt;&lt;span&gt;-case&lt;/span&gt; basis to align with the Company&#x2019;s strategic objectives and to ensure the competitiveness of our compensation packages. &lt;/p&gt;</ecd:AwardTmgMethodTextBlock>
    <ecd:AwardTmgPredtrmndFlag contextRef="cref_535224414" id="ixv-3105">false</ecd:AwardTmgPredtrmndFlag>
    <ecd:AwardTmgHowMnpiCnsdrdTextBlock contextRef="cref_535224414" id="ixv-1381">&lt;p style="margin:0;padding:0;border-width:0;font-family:Times New Roman PS Std, serif;font-size:10pt;font-style:normal;font-variant:normal;font-weight:normal;margin-bottom:0;margin-left:0;margin-right:0;margin-top:8pt;orphans:2;page-break-after:auto;page-break-before:auto;text-align:justify;text-indent:24pt;widows:3;margin-top:8pt;"&gt; In determining the timing and terms of an equity award, the Board or the Compensation Committee may consider material nonpublic information to ensure that such grants are made in compliance with applicable laws and regulations. The Board&#x2019;s and the Compensation Committee&#x2019;s procedures to prevent the improper use of material nonpublic information in connection with the granting of equity awards includes oversight by legal counsel and, where appropriate, delaying the grant of equity awards until the public disclosure of such material nonpublic information. &lt;/p&gt;</ecd:AwardTmgHowMnpiCnsdrdTextBlock>
    <ecd:AwardTmgMnpiCnsdrdFlag contextRef="cref_535224414" id="ixv-3106">true</ecd:AwardTmgMnpiCnsdrdFlag>
    <ecd:MnpiDiscTimedForCompValFlag contextRef="cref_535224414" id="ixv-3107">false</ecd:MnpiDiscTimedForCompValFlag>
</xbrl>
