Northeast Investors Trust – ‘SC 13G’ on 2/13/04 re: International Airline Support Group Inc

On:  Friday, 2/13/04, at 1:44pm ET   ·   Accession #:  72760-4-14   ·   File #:  5-42216

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Statement of Beneficial Ownership   —   Schedule 13G
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: SC 13G      Statement of Beneficial Ownership                      5     12K 

Document Table of Contents

SC 13G
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SECURITIES AND EXCHANGE COMMISSION  
Washington, D.C.  20549 

SCHEDULE 13G  

(Rule 13d-102)

 INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2

Under the Securities Exchange Act of 1934 
(Amendment No.__________)*  

 International Airline Support Group, Inc.
----------------------------------------------------- 
(Name of Issuer)

Common Stock    
----------------------------------------------------- 
(Title of Class of Securities)

458865201     
----------------------------------------------------- 
(CUSIP Number)

Check the following box if a fee is  being paid with this statement [ ].        

----------                                                                      
*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.                                     

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).                                                                         

SC 13G
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CUSIP No. 458865201               13G                    Page 2 of 4 Pages      

1.  NAME OF REPORTING PERSON(S)                                           
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON(S)              

Northeast Investors Trust                                         
04-6012886                                                        

2.  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*                     
                                                   (a)  [  ]
                                                   (b)  [  ]

3.  SEC USE ONLY                                                          

4.  CITIZENSHIP OR PLACE OF ORGANIZATION                                  

Boston, MA                                                        

NUMBER OF      5.   SOLE VOTING POWER                                     
SHARES            219,540                                             
BENEFICIALLY                                                                
OWNED BY      6.   SHARED VOTING POWER                                  
EACH             -0-                                                
REPORTING                                                                 
PERSON       7.   SOLE DISPOSITIVE POWER                              
WITH             219,540                                            

8.   SHARED DISPOSITIVE POWER               
-0-                               

9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON          

219,540                                 

10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*  

11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)                      

10.21%                                  

12.  TYPE OF REPORTING PERSON*                                              

IV                                      

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                                     13G                   Page 3 of 4 Pages

Item 1.     (a)  International Airline Support Group, Inc.                      

(b)  1954 Airport Road, Suite 200, Atlanta, GA 30341    

Item 2.     (a)  Northeast Investors Trust                                      

(b)  50 Congress Street, Boston, MA 02109-4096          

(c)   Massachusetts                                     

(d)   Common Stock                                      

(e)   458865201                                         

Item 3.                                                                         
          (d)   [X]   Investment Company registered under  Section 8 of  the
Investment Company Act,         

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                                    13-G                   Page 4 of 4 Pages

Item 4.     (a)  219,540                                                        

(b)  10.21%                                             

(c)                                                     
(i)  219,540                                

(ii) -0-                                    

(iii) 219,540                               

(iv)   -0-                                  

(d)   -0-                                               

Item 5.     N/A                                                                 

Item 6.     N/A                                                                 

Item 7.     N/A                                                                 

Item 8.     N/A                                                                 

Item 9.     N/A                                                                 

Item 10.    Certification.                                                      

            By  signing  below  -I/we-  certify  that,  to the  best  of  my/our
            knowledge and belief, the securities referred to above were acquired
            in the  ordinary  course of business  and were not  acquired for the
            purpose of and do not have the effect of changing or influencing the
            control of the issuer of such  securities  and were not  acquired in
            connection with or as a participant in any  transaction  having such
purpose or effect.                                      

SC 13G
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Signature.  

           After  reasonable  inquiry  and to the  best  of my  knowledge  and
           belief,  -I/we-  certify  that the  information  set  forth in this
statement is true, complete and correct.                

Date:  February 6, 2004                                                         

----------------------------------                                              
(Signature)*                        

Robert B. Minturn,  Trustee                                                     
----------------------------------                                              
(Name/Title)                        

* Attention. Intentional misstatements or omissions of fact constitute federal  
criminal violations (see 18 U.S.C. 1001).                                   

Dates Referenced Herein   and   Documents Incorporated by Reference

				Referenced-On Page
This ‘SC 13G’ Filing		Date		First		Last			Other Filings
Filed on:		2/13/04							SC 13G
		2/6/04		5
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