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<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">UNITED STATES<br>
<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">SECURITIES AND EXCHANGE COMMISSION<br>
WASHINGTON, DC 20549</font></p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">&nbsp;</p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">FORM 8-K</p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">&nbsp;</p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">CURRENT REPORT<br>
<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934</font></p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">&nbsp;</p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><br>
<br>
<br>
<br>
<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">Date of report (Date of earliest event reported) April 26, 2017<br>
<br>
<br>
<u>BUTLER NATIONAL CORPORATION</u></font><br>
<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">(Exact Name of Registrant as Specified in its Charter)</font></p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">&nbsp;</p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><u>Kansas</u><br>
<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">(State or Other Jurisdiction of Incorporation)</font></p>

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			<td style="vertical-align: middle; width: 445px; border-bottom: thin solid rgb(0, 0, 0);">
			<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">0-1678<br>
			(Commission File Number)<br>
			&nbsp;</font></p>
			</td>
			<td style="vertical-align: middle; width: 487px; border-bottom: thin solid rgb(0, 0, 0);">
			<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">41-0834293<br>
			(IRS Employer Identification No.)<br>
			&nbsp;</font></p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align: middle; width: 445px; border-bottom: thin solid rgb(0, 0, 0);">
			<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">19920 W. 161<sup>st</sup> Street, Olathe, Kansas<br>
			(Address of Principal Executive Offices)<br>
			&nbsp;</font></p>
			</td>
			<td style="vertical-align: middle; width: 487px; border-bottom: thin solid rgb(0, 0, 0);">
			<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">66062<br>
			(Zip Code)<br>
			&nbsp;</font></p>
			</td>
		</tr>

</table>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">&nbsp;</p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><u>913-780-9595</u><br>
<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">(Registrant&#39;s Telephone Number, Including Area Code)</font></p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">&nbsp;</p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;"><br>
<br>
<br>
<br>
<font style="font-family:Times New Roman, Times, serif;font-size:10pt;"><u>Not Applicable</u></font><br>
<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">(Former Name or Former Address, if Changed Since Last Report)</font></p>

<p style="font-family: &quot;Times New Roman&quot;, Times, serif; font-size: 10pt; margin: 0pt; text-align: center;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Check the appropriate box below if <font style="font-family:Times New Roman, Times, serif;font-size:10pt;">the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</font></p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

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		<tr>
			<td style="vertical-align:middle;width:100%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&#144;</font><font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&nbsp;&nbsp;&nbsp;&nbsp;Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&#144;&nbsp;&nbsp; Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</font></p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&#144;&nbsp;&nbsp; Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</font></p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&#144;</font><font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&nbsp;&nbsp;&nbsp;&nbsp;Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</font></p>
			</td>
		</tr>

</table>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<hr align="left" style="width: 100%;height: 1px;color: #000000;background-color: #000000;border: none;">
<p>&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<table border="0" cellpadding="0" cellspacing="0" id="TBL3" style="width:98.4%;text-indent:0;font-family:Times New Roman, Times, serif;font-size:10pt;">

		<tr>
			<td style="vertical-align:middle;width:6%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
			<td style="vertical-align:middle;width:93.9%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:middle;width:6%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Item 8.01</p>
			</td>
			<td style="vertical-align:middle;width:93.9%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Other Events</p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">On April 26, 2017, Butler National Corporation (&quot;Butler National&quot;) announced Federal Aviation Administration Supplemental Type Certificate issuance and Parts Manufacturing Approval of a new vertical accelerometer for Learjet airplanes<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">. A copy of the April 26, 2017 press release announcing the stock repurchase is attached as Exhibit 99.1 to this Current Report on Form 8-K.<br>
			&nbsp;</font></p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:middle;width:6%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Item 9.01</p>
			</td>
			<td style="vertical-align:middle;width:93.9%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Financial Statements and Exhibits<br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&nbsp;</font></p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:middle;width:6%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&nbsp;</font></p>
			</td>
			<td style="vertical-align:middle;width:93.9%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Exhibit 99.1</p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Press release of Butler National Corporation dated April 26, 2017.</p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:middle;width:6%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
			<td style="vertical-align:middle;width:93.9%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
		</tr>
		<tr>
			<td colspan="2" style="vertical-align:middle;width:100%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
			</td>
		</tr>

</table>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:center;">&nbsp;</p>

<hr align="left" style="width: 100%;height: 1px;color: #000000;background-color: #000000;border: none;">
<p>&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">SIGNATURES</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<table border="0" cellpadding="0" cellspacing="0" id="TBL4" style="width:62.9%;text-indent:0;font-family:Times New Roman, Times, serif;font-size:10pt;">

		<tr>
			<td style="vertical-align:middle;width:32%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;"><br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">&nbsp;</font></p>
			</td>
			<td style="vertical-align:middle;width:67.9%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">BUTLER NATIONAL CORPORATION<br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">(Registrant)<br>
			&nbsp;</font></p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:middle;width:32%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">April 26, 2017<br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">Date</font></p>
			</td>
			<td style="vertical-align:middle;width:67.9%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">s/s Clark D. Stewart<br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">Clark D. Stewart<br>
			(President and Chief Executive Officer)<br>
			&nbsp;</font></p>
			</td>
		</tr>
		<tr>
			<td style="vertical-align:middle;width:32%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">April 26, 2017<br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">Date</font></p>
			</td>
			<td style="vertical-align:middle;width:67.9%;">
			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">s/s Tad M. McMahon</p>

			<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">Tad M. McMahon<br>
			<font style="font-family:Times New Roman, Times, serif;font-size:10pt;">(Chief Financial Officer)</font></p>
			</td>
		</tr>

</table>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>

<p style="font-family:Times New Roman, Times, serif;font-size:10pt;margin:0pt;text-align:left;">&nbsp;</p>
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[title]
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported) April 26, 2017
BUTLER NATIONAL CORPORATION
(Exact Name of Registrant as Specified in its Charter)
Kansas
(State or Other Jurisdiction of Incorporation)
0-1678
(Commission File Number)
41-0834293
(IRS Employer Identification No.)
19920 W. 161
st
Street, Olathe, Kansas
(Address of Principal Executive Offices)
66062
(Zip Code)
913-780-9595
(Registrant's Telephone Number, Including Area Code)
Not Applicable
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if
the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
   Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
   Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
Item 8.01
Other Events
On April 26, 2017, Butler National Corporation ("Butler National") announced Federal Aviation Administration Supplemental Type Certificate issuance and Parts Manufacturing Approval of a new vertical accelerometer for Learjet airplanes
. A copy of the April 26, 2017 press release announcing the stock repurchase is attached as Exhibit 99.1 to this Current Report on Form 8-K.
Item 9.01
Financial Statements and Exhibits
Exhibit 99.1
Press release of Butler National Corporation dated April 26, 2017.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
BUTLER NATIONAL CORPORATION
(Registrant)
April 26, 2017
Date
s/s Clark D. Stewart
Clark D. Stewart
(President and Chief Executive Officer)
April 26, 2017
Date
s/s Tad M. McMahon
Tad M. McMahon
(Chief Financial Officer)