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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
Amendment No. 3
Autoclave Engineers, Inc.
______________________________________________________________________________
(Name of Issuer)
Common Stock
______________________________________________________________________________
(Title of Class of Securities)
052760105
______________________________________________________________________________
(CUSIP Number)
Check the following box if a fee is being paid with this statement
CUSIP No.
1) Names of Reporting Persons S.S. or I.R.S. Identification Nos. of above
persons
PNC Bank Corp. 25-143-5979
2) Check the Appropriate Box if a Member of a Group (See Instructions)
a)
b)
3) SEC USE ONLY
4) Citizenship or Place of Organization Pennsylvania
Number of Shares 5) Sole Voting Power 561,954
Beneficially Owned
By Each Reporting
Person With 6) Shared Voting Power 0
7) Sole Dispositive Power 114,609
8) Shared Dispositive Power 0
9) Aggregate Amount Beneficially Owned by Each Reporting Person
561,954
10) Check if the Aggregate Amount in Row (9) Excludes Certain Shares
(See Instructions)
11) Percent of Class Represented by Amount in Row (9) 13.33
12) Type of Reporting Person (See Instructions) HC
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Schedule 13G
Under the Securities Exchange Act of 1934
Amendment No. 3
Autoclave Engineers, Inc.
______________________________________________________________________________
(Name of Issuer)
Common Stock
______________________________________________________________________________
(Title of Class of Securities)
052760105
______________________________________________________________________________
(CUSIP Number)
Check the following box if a fee is being paid with this statement
CUSIP No.
1) Names of Reporting Persons S.S. or I.R.S. Identification Nos. of
above persons
PNC Bank, National Association
2) Check the Appropriate Box if a Member of a Group (See Instructions)
a)
b)
3) SEC USE ONLY
4) Citizenship or Place of Organization Pennsylvania
Number of Shares 5) Sole Voting Power 561,954
Beneficially Owned
By Each Reporting
Person With 6) Shared Voting Power 0
7) Sole Dispositive Power 114,609
8) Shared Dispositive Power 0
9) Aggregate Amount Beneficially Owned by Each Reporting Person
561,954
10) Check if the Aggregate Amount in Row (9) Excludes Certain
Shares (See Instructions)
11) Percent of Class Represented by Amount in Row (9) 13.33
12) Type of Reporting Person (See Instructions) BK
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Item 4 - Ownership:
(a) Amount Beneficially Owned:
561,954
(b) Percent of Class:
13.33
(c) Number of shares to which such person has:
(i) sole power to vote or to direct the vote 561,954
(ii) shared power to vote or to direct the vote 0
(iii) sole power to dispose or to direct the disposition of 114,609
(iv) shared power to dispose or to direct the disposition of 0
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Item 10 - Certification.
By signing below I certify that, to the best of my 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 purposes or effect.
Signature.
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement is
true, complete and correct.
February 14, 1994
_____________________________________________________________________
Date
_____________________________________________________________________
Signature
/s/ Timothy N. Smyth, Senior Vice President and
Trust Division Manager
_____________________________________________________________________
Name/Title
_____________________________________________________________________
Date
_____________________________________________________________________
Signature
_____________________________________________________________________
Name/Title
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Item 10 - Certification.
By signing below I certify that, to the best of my 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 purposes or effect.
Signature.
After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement is
true, complete and correct.
February 14, 1994
_____________________________________________________________________
Date
_____________________________________________________________________
Signature
/s/ Michelle A. O'Donnell, Assistant Vice President and
Assistant Regulatory Counsel
_____________________________________________________________________
Name/Title
_____________________________________________________________________
Date
_____________________________________________________________________
Signature
_____________________________________________________________________
Name/Title
