UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. )*

Hickok Incorporated

(Name of Issuer)

 Class A Common Shares, $1.00 par value

(Title of Class of Securities)

428839 10 4

(CUSIP Number)

Robert Robotti

52 Vanderbilt Avenue

New York, New York 10017

(Name, Address and Telephone Number of Person

Authorized to Receive Notices and Communications)

December 15, 2006

(Date of Event Which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box. [  ]

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits.  See 13d-7 for other parties to whom copies are to be sent.

(Page 1 of 9 Pages)

*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).

Schedule 13D
CUSIP No. 428839 10 4				Page 2 of 9 Pages
1.	Names of Reporting Persons. Robert E. Robotti
	I.R.S. Identification Nos. of above persons (entities only).
2.	Check the Appropriate Box if a Member of a Group (See Instructions)
	(a)
	(b)
3.	SEC Use Only
4.	Source of Funds
	AF
5.	Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)				[  ]
6.	Citizenship or Place of Organization
	United States
Number of		7.	Sole Voting Power: -0-
Shares
Beneficially		8.	Shared Voting Power: 40,778
Owned by
Each		9.	Sole Dispositive Power: -0-
Reporting
Person With		10.	Shared Dispositive Power: 40,778
11.	Aggregate Amount Beneficially Owned by Each Reporting Person
	40,778
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares [  ]
13.	Percent of Class Represented by Amount in Row (11)
	5.4%
14.	Type of Reporting Person (See Instructions)
	IN, HC

Schedule 13D
CUSIP No. 428839 10 4				Page 3 of 9 Pages
1.	Names of Reporting Persons. Kenneth R. Wasiak
	I.R.S. Identification Nos. of above persons (entities only).
2.	Check the Appropriate Box if a Member of a Group (See Instructions)
	(a)
	(b)
3.	SEC Use Only
4.	Source of Funds
	AF
5.	Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)				[  ]
6.	Citizenship or Place of Organization
	United States
Number of		7.	Sole Voting Power: -0-
Shares
Beneficially		8.	Shared Voting Power: 40,778
Owned by
Each		9.	Sole Dispositive Power: -0-
Reporting
Person With		10.	Shared Dispositive Power: 40,778
11.	Aggregate Amount Beneficially Owned by Each Reporting Person
	40,778
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares [  ]
13.	Percent of Class Represented by Amount in Row (11)
	5.4%
14.	Type of Reporting Person (See Instructions)
	IN, HC

Schedule 13D
CUSIP No. 428839 10 4				Page 4 of 9 Pages
1.	Names of Reporting Persons. Ravenswood Management Company, L.L.C.
	I.R.S. Identification Nos. of above persons (entities only).
2.	Check the Appropriate Box if a Member of a Group (See Instructions)
	(a)
	(b)
3.	SEC Use Only
4.	Source of Funds
	AF
5.	Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)				[  ]
6.	Citizenship or Place of Organization
	New York
Number of		7.	Sole Voting Power: -0-
Shares
Beneficially		8.	Shared Voting Power: 40,778
Owned by
Each		9.	Sole Dispositive Power: -0-
Reporting
Person With		10.	Shared Dispositive Power: 40,778
11.	Aggregate Amount Beneficially Owned by Each Reporting Person
	40,778
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares [  ]
13.	Percent of Class Represented by Amount in Row (11)
	5.4%
14.	Type of Reporting Person (See Instructions)
	OO

Schedule 13D
CUSIP No. 428839 10 4				Page 5 of 9 Pages
1.	Names of Reporting Persons. The Ravenswood Investment Company, L.P.
	I.R.S. Identification Nos. of above persons (entities only).
2.	Check the Appropriate Box if a Member of a Group (See Instructions)
	(a)
	(b)
3.	SEC Use Only
4.	Source of Funds
	WC
5.	Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e)				[  ]
6.	Citizenship or Place of Organization
	New York
Number of		7.	Sole Voting Power: -0-
Shares
Beneficially		8.	Shared Voting Power: 40,778
Owned by
Each		9.	Sole Dispositive Power: -0-
Reporting
Person With		10.	Shared Dispositive Power: 40,778
11.	Aggregate Amount Beneficially Owned by Each Reporting Person
	40,778
12.	Check if the Aggregate Amount in Row (11) Excludes Certain Shares [  ]
13.	Percent of Class Represented by Amount in Row (11)
	5.4%
14.	Type of Reporting Person (See Instructions)
	PN

SCHEDULE 13D
CUSIP No. 428839 10 4		Page 6 of 9 Pages
Item 1.	Security and Issuer
This initial Statement of Beneficial Ownership on Schedule 13D (this "Statement"), relates to the Class A Common Shares, $1.00 par value (the "Common Shares"), of Hickok Incorporated (the "Issuer").  The address of the Issuer's principal executive offices is 10514 Dupont Avenue, Cleveland, Ohio 44108.
Item 2.	Identity and Background
(a), (b),(c) and (f).  This Statement is filed on behalf of Robert E. Robotti ("Robotti"), Kenneth R. Wasiak ("Wasiak"), Ravenswood Management Company, L.L.C. ("RMC") and The Ravenswood Investment Company, L.P. ("RIC," and together with Robotti, Wasiak, and RMC, the "Reporting Persons").
Mr. Robotti is a United States citizen whose principal occupation is serving as the president and treasurer of Robotti & Company, Incorporated, the parent holding company of a broker-dealer registered under Section 15 of the Securities Exchange Act of 1934, as amended, and an investment advisor registered under the Investment Advisers Act of 1940, as amended.
Mr. Wasiak, is a United States citizen whose principal occupation is serving as a consultant in the accounting firm of Pustorino, Puglisi & Company, P.C.  Each of Messrs. Robotti and Wasiak are Managing Member of RMC.  RMC, a New York limited liability company, is the general partner of RIC.  RIC, a New York limited partnership, is a private investment partnership engaged in the purchase and sale of securities for its own account.
Mr. Robotti’s business address is 52 Vanderbilt Avenue, New York, New York 10017.  The address of RIC’s and RMC's principal office is 104 Gloucester Road, Massapequa, New York 11758.  Mr. Wasiak's business address is 515 Madison Avenue, New York, New York 10022.
(d) and (e).  None of the Reporting Persons has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors) or been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction, and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.
Item 3.	Source and Amount of Funds or Other Consideration
The aggregate purchase price of the 40,778 Common Shares held by RIC is $222,408.41 (including brokerage fees and expenses).  All of the Common Shares beneficially held by RIC were paid for using its working capital.
Item 4.	Purpose of Transaction
(a)-(j).  The Common Shares have been acquired by the Reporting Persons for investment purposes and were not acquired with the intent to change or influence control of the Issuer or to participate in any transaction having that purpose or effect.
The Reporting Persons may acquire additional Common Shares, dispose all or some of these Common Shares from time to time, in each case in the open market or private transactions, block sales or purchases or otherwise, or may continue to hold the Common Shares, depending on business and market conditions, their continuing evaluation of the business and prospects of the Issuer and other factors.  In addition, the Reporting Persons intend to communicate with other shareholders and management of the Issuer about maximizing the value of their Common Shares.

SCHEDULE 13D
CUSIP No. 428839 10 4										Page 7 of 9 Pages
Depending on factors deemed relevant by the Reporting Persons, including but not limited to change in the Issuer's business, governance or financial situation, the Reporting Persons reserve the right to formulate other plans and/or make proposals, and take such actions set forth in this response to Item 4 and any other actions as the Reporting Persons, or any of them, may determine.
Presently the Reporting Persons have no plans or proposals which would relate or results in any of the matters set forth in subparagraphs (a) - (j) of Item 4 of Schedule 13D except as set forth herein.
Item 5.			Interest in Securities of the Issuer
(a)-(b) As of December 26, 2006, the aggregate number of Common Shares and percentage of the outstanding Common Shares of the Issuer beneficially owned (i) by each of the Reporting Persons, and (ii) to the knowledge of the Reporting Persons, by each other person who may be deemed to be a member of a group, is as follows:
Reporting Person					Aggregate Number of Shares		Number of Shares: Sole Power to Vote or Dispose	Number of Shares: Shared Power to Vote or Dispose		Approximate Percentage*
Robotti (1)(2)					40,778		0	40,778		5.4%
Wasiak (1)(2)					40,778		0	40,778		5.4%
RMC (1)(2)					40,778		0	40,778		5.4%
RIC (1)(2)					40,778		0	40,778		5.4%
* Based on 756,379 Class A Common Shares, $1.00 par value, outstanding as of December 6, 2006, as disclosed in the Issuer's Annual Report on Form 10-KSB, for the year ended September 30, 2006.               (1) Each of the Reporting Persons disclaims beneficial ownership of the securities held by the other Reporting Persons except to the extent of such Reporting Person's pecuniary interest therein, if any.               (2) Each of Messrs. Robotti and Wasiak and RMC share with RIC the power to vote or direct the vote, and share the power to dispose or to direct the disposition of 40,778 Common Shares owned by RIC.
(c) The table below lists all the transactions in the Issuer's Common Shares in the last sixty days by the Reporting Persons.  All such transactions were made by RIC in the open market.
Transactions in Shares Within The Past Sixty Days
Party				Date of Purchase/ Sale		Number of Common Shares			Buy/Sell		Price Per Share
RIC				12/12/2006		2,000			BUY		$7.00
RIC				12/15/2006		1,200			BUY		$6.70
RIC				12/18/2006		1,500			BUY		$6.50
RIC				12/22/2006		500			BUY		$6.925
	(d)	No Person other than the Reporting Persons is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such Common Shares beneficially owned by the Reporting Persons.
	(e)	Not Applicable.

SCHEDULE 13D
CUSIP No. 428839 10 4		Page 8 of 9 Pages
Item 6.	Contracts, Arrangement, Understandings or Relationships with Respect to Securities of the Issuer
Each of the Reporting Persons is a party to a Joint Filing Agreement dated as of December 26, 2006 (the "Joint Filing Agreement"), pursuant to which the Reporting Persons agreed to jointly file this Statement and any and all amendments and supplements hereto with the Securities and Exchange Commission, the Joint Filing Agreement is filed herewith as Exhibit 1 and incorporated herein by reference.
Item 7.	Materials to be Filed as Exhibits
The following documents is filed herewith:
Joint Filing Agreement dated as of December 26, 2006 by and among Robert E. Robotti, Kenneth R. Wasiak, Ravenswood Management Company, L.L.C. and The Ravenswood Investment Company, L.P.
(The remainder of this page was intentionally left blank)

SCHEDULE 13D
CUSIP No. 428839 10 4			Page 9 of 9 Pages
SIGNATURE
After reasonable inquiry and to the best of the undersigned's knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.
Date: December 26, 2006
/s/ Robert E. Robotti		/s/ Kenneth R. Wasiak
Robert E. Robotti		Kenneth R. Wasiak
Ravenswood Management Company, L.L.C.	The Ravenswood Investment Company, L.P.
By:   /s/ Robert E. Robotti	By:	Ravenswood Management Company, L.L.C.
Name: Robert E. Robotti		Its General Partner
Title: Managing Member
	By:	/s/ Robert E. Robotti
		Name: Robert E. Robotti
		Title: Managing Member