Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  Brown William M
2. Date of Event Requiring Statement (Month/Day/Year)
01/17/2006
3. Issuer Name and Ticker or Trading Symbol
UNITED TECHNOLOGIES CORP /DE/ [UTX]
(Last)
(First)
(Middle)
UNITED TECHNOLOGIES CORPORATION, ONE FINANCIAL PLAZA
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, UTC Fire & Security
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

HARTFORD, CT 06101
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 2,104.015
I
By Savings Plan Trustee
No Securities Owned 0
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy) 07/01/2000 06/30/2007 Common Stock 22,000 $ 20.9531 D  
Non-Qualified Stock Option (right to buy) 01/02/2001 01/01/2008 Common Stock 20,000 $ 18.2812 D  
Non-Qualified Stock Option (right to buy) 01/02/2001 01/01/2008 Common Stock 6,000 $ 18.2812 D  
Non-Qualified Stock Option (right to buy) 01/04/2002 01/03/2009 Common Stock 24,000 $ 27 D  
Non-Qualified Stock Option (right to buy) 01/03/2003 01/02/2010 Common Stock 20,600 $ 31.25 D  
Non-Qualified Stock Option (right to buy) 01/02/2004 01/01/2011 Common Stock 22,200 $ 37.625 D  
Non-Qualified Stock Option (right to buy) 04/26/2004 04/25/2011 Common Stock 100,000 $ 38.5 D  
Non-Qualified Stock Option (right to buy) 01/02/2005 01/01/2012 Common Stock 33,400 $ 32.17 D  
Non-Qualified Stock Option (right to buy) 01/02/2006 01/01/2013 Common Stock 44,000 $ 31.705 D  
Non-Qualified Stock Option (right to buy) 01/09/2007 01/08/2014 Common Stock 37,000 $ 46.76 D  
Non-Qualified Stock Option (right to buy) 01/03/2008 01/02/2015 Common Stock 36,900 $ 51.5 D  
Stock Appreciation Right 01/03/2009 01/02/2016 Common Stock 25,000 $ 56.53 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Brown William M
UNITED TECHNOLOGIES CORPORATION
ONE FINANCIAL PLAZA
HARTFORD, CT 06101
      President, UTC Fire & Security  

Signatures

By: /s/ Charles F. Hildebrand as Attorney-in-Fact 01/23/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.