NOTICE OF GUARANTEED DELIVERY
                           NAVIGATOR GAS TRANSPORT PLC

                                  for Tender of
                12% Second Priority Ship Mortgage Notes due 2007
                      (including those in book-entry form)

      This form or a facsimile hereof must be used by a holder of the 12% Second
Priority Ship Mortgage Notes due 2007 of Navigator Gas Transport PLC ("Navigator
Gas Transport") (the "Old Second Priority Notes"), who wishes to tender Old
Second Priority Notes to The Chase Manhattan Bank, as Second Priority Notes
Exchange Agent (the "Second Priority Notes Exchange Agent"), pursuant to the
guaranteed delivery procedures described in "The Exchange Offer-Guaranteed
Delivery Procedures" of the Prospectus, dated _______, 199_ (the "Prospectus"),
relating to the offer by Navigator Gas Transport to exchange Old Second Priority
Notes for the 12% Second Priority Ship Mortgage Notes due 2007 that have been
registered under the Securities Act of 1933, as amended, and in Instruction 2 to
the related Letter of Transmittal. Any holder who wishes to tender Old Second
Priority Notes pursuant to such guaranteed delivery procedures must ensure that
the Second Priority Notes Exchange Agent receives this Notice of Guaranteed
Delivery prior to 5:00 p.m., New York City time, on ___________, 199_, or such
later date and time to which the Exchange Offer may be extended (the "Expiration
Date"). This form, properly completed and executed, may be delivered by hand,
mail or facsimile transmission to the Second Priority Notes Exchange Agent. In
addition, in order to utilize the guaranteed delivery procedures to tender Old
Second Priority Notes pursuant to the Exchange Offer, tender must be made
through an Eligible Institution and a properly completed and duly executed
Notice of Guaranteed Delivery must be received prior to the Expiration Date.
Thereafter, a properly completed and executed Letter of Transmittal (or
facsimile thereof) and certificate(s) representing all tendered Old Second
Priority Notes (or a confirmation of book-entry transfer of such Old Second
Priority Notes into the Second Priority Notes Exchange Agent's account at the
Book-Entry Transfer Facility) and all other documents required by the Letter of
Transmittal must be received by the Second Priority Notes Exchange Agent within
five New York Stock Exchange trading days after the Expiration Date. Capitalized
terms used and not defined herein shall have the meanings ascribed to such terms
in the Prospectus or the Letter of Transmittal.


  BY REGISTERED OR CERTIFIED MAIL:      BY HAND (UNTIL 4:30 PM., NEW YORK TIME):
      The Chase Manhattan Bank                  The Chase Manhattan Bank
           55 Water Street                           55 Water Street
         New York, NY 10041                        New York, NY 10041
        Attn: Carlos Esteves                      Attn: Carlos Esteves

BY OVERNIGHT MAIL OR COURIER, OR BY HAND                BY FACSIMILE
    (AFTER 4:30 P.M., NEW YORK TIME):        (FOR ELIGIBLE INSTITUTIONS ONLY):
        The Chase Manhattan Bank
             55 Water Street                           (212) 638-7380
           New York, NY 10041                confirm by telephone (212) 638-0828
         Attn: Carlos Esteves

      DELIVERY OF THIS  INSTRUMENT TO AN ADDRESS OTHER THAN AS SET FORTH ABOVE
OR TRANSMISSION  OF INSTRUCTIONS  VIA FACSIMILE TO A NUMBER OTHER THAN THE ONE
LISTED ABOVE WILL NOT CONSTITUTE VALID DELIVERY.




      This form is not to be used to guarantee signatures. If a signature on a
Letter of Transmittal is required to be guaranteed by an "Eligible Institution"
under the instructions thereto, such signature guarantee must appear in the
applicable space provided in the signature box on the Letter of Transmittal.

                                    GUARANTEE
                    (Not to be used for signature guarantee)

      The undersigned, being a member of a registered national securities
exchange or of the National Association of Securities Dealers, Inc., a
commercial bank or trust company having an office or correspondent in the United
States or an Eligible Guarantor Institution within the meaning of Rule 17 Ad-15
under the Securities Exchange Act of 1934, as amended, hereby guarantees that
the undersigned will deliver to the Second Priority Notes Exchange Agent the
certificates representing the Old Second Priority Notes being tendered hereby or
confirmation of book-entry transfer of such Old Second Priority Notes into the
Second Priority Notes Exchange Agent's account at The Depository Trust Company,
in proper form for transfer, together with the Letter of Transmittal (or
facsimile thereof) properly completed and duly executed, with any required
signature guarantees and any other required documents, all within five New York
Stock Exchange trading days after the Expiration Date.

                                 (Name of Firm)


                             (Authorized Signature)


                                     (Name)


                                     (Title)


                                    (Address)


                                   (Zip Code)


                          (Area Code and Telephone No.)


Dated: _________________________

DO NOT SEND CERTIFICATES REPRESENTING OLD SECOND PRIORITY NOTES WITH THIS FORM.
ACTUAL SURRENDER OF OLD SECOND PRIORITY NOTES MUST BE MADE PURSUANT TO, AND BE
ACCOMPANIED BY, A COMPLETED AND EXECUTED LETTER OF TRANSMITTAL.






Ladies and Gentlemen:

      The undersigned hereby tenders to Navigator Gas Transport, in accordance
with Navigator Gas Transport's offer, upon the terms and subject to the
conditions set forth in the Prospectus and the related Letter of Transmittal,
receipt of which is hereby acknowledged, the principal amount of Old Second
Priority Notes set forth below pursuant to the guaranteed delivery procedures
described in the Prospectus and in Instruction 2 of the Letter of Transmittal.


Name(s) of registered holder(s):

                             (Please Type or Print)


Address:




Area Code and Telephone No.:

Principal Amount of Old Second Priority Notes Tendered:

Certificate Number(s) or Account
Number(s) at Book-Entry Facility
for Old Second Priority Notes (if available):

Aggregate Principal Amount
Represented by Old Note(s):




      All authority herein conferred or agreed to be conferred shall survive the
death or incapacity of the undersigned and every obligation of the undersigned
hereunder shall be binding upon the heirs, personal representatives, successors
and assigns of the undersigned.

Signature of Holder(s):




Date:

      MUST BE SIGNED BY THE HOLDER(S) OF THE OLD SECOND PRIORITY NOTES AS THEIR
NAME(S) APPEAR(S) ON CERTIFICATES OR BOOK-ENTRY ACCOUNTS FOR OLD SECOND PRIORITY
NOTES OR ON A SECURITY POSITION LISTING, OR BY PERSON(S) AUTHORIZED TO BECOME
REGISTERED HOLDER(S) BY ENDORSEMENT AND DOCUMENTS TRANSMITTED WITH THIS NOTICE
OF GUARANTEED DELIVERY. IF SIGNATURE IS BY A TRUSTEE, EXECUTOR, ADMINISTRATOR,
GUARDIAN, ATTORNEY-IN-FACT, OFFICER OR OTHER PERSON ACTING IN A FIDUCIARY OR
REPRESENTATIVE CAPACITY, SUCH PERSON MUST SET HIS OR HER FULL TITLE BELOW.

PLEASE PRINT NAME(S) AND ADDRESS(ES)

Name(s):


Capacity:

Address(es):