RNS Number:3029S
Cobham PLC
20 November 2003

Amendment No.21

NOTIFICATIONS UNDER SECTIONS 198 TO 202 -- UK COMPANIES ACT

1. Company in which shares are held:    COBHAM PLC

2. Notifiable Interest:    ORDINARY SHARES

     A     FMR Corp
           82 Devonshire Street
           Boston, MA 02109

           Parent holding company of Fidelity Management & Research Company 
           (FMRCO), investment manager for US mutual funds and Fidelity 
           Management Trust Company (FMTC), a US state chartered bank which acts
           as a trustee or investment manager of various pension and trust 
           accounts.  (See Schedule A for listing of Registered Shareholders 
           and their holdings.)

     B     Fidelity International Limited (FIL)
           P.O. BOX HM 670
           Hamilton HMCX, Bermuda

           Parent holding company for various direct and indirect subsidiaries,
           including Fidelity Investment Services Ltd (FISL), and Fidelity 
           Pension Management (FPM), investment managers for various non-US 
           investment companies and institutional clients. (See Schedule A for 
           listing of Registered Shareholders and their holdings).

3.     The notifiable interests also comprise the notifiable interest of

           Mr Edward C Johnson 3d
           82 Devonshire Street
           Boston, MA 02109

           A principal shareholder of FMR Corp. and Fidelity International 
           Limited.

4.     The notifiable interests include interest held on behalf of authorized
       unit trust schemes in the U.K. notwithstanding the exemption from 
       reporting pursuant to Section 209 (1) (h) of the Companies Act 1985.

5.     These notifications of disclosable interests constitute separate
       notifications of interest in the shares and are combined solely for 
       the purposes of clarity and efficiency. Nothing herein should be taken to 
       indicate that FMR Corp. and its direct and indirect subsidiaries, 
       Fidelity International Limited and its direct and indirect subsidiaries
       or Mr Edward C Johnson 3d act as a group or in concert in respect of 
       the disclosed interests, or that they are required to submit these 
       notifications on a joint basis.

6.     The disclosable interests arise under section 208(4) (b) of the Act,
       namely where a person, not being the registered holder, is entitled
       to exercise a right conferred by the holding of the shares or to 
       control the exercise of such rights, or under section 203 of the Act
       respectively.

SCHEDULE A
                                                     Revised
SECURITY: Cobham Plc                                 Amendment No 21


                      SHARES HELD   MANAGEMENT   NOMINEE/REGISTERED
                                     COMPANY     NAME

(ordinary
 Shares)

                         1,150,000     FMRCO     HSBC
                             5,100     FMTC      STATE STREET BANK & TRUST
                             8,760     FMTC      STATE STREET NOMINEES LTD
                             6,700     FMTC      BROWN BROTHERS HARRIMAN
                           927,529     FISL      CHASE NOMINEES LTD
                           206,245     FPM       CHASE NOMINEES LTD
                           256,206     FPM       BANKERS TRUST
                            66,400     FPM       HSBC CLIENT HOLDINGS NOMINEE
                                                 (UK) LIMITED
                            61,400     FPM       MELLON NOMINEES LTD
                            92,234     FIL       MSS NOMINEES LTD
                           126,490     FIL       NORTRUST NOMINEES LTD
                           147,550     FIL       BANKERS TRUST
                            31,370     FIL       BT GLOBENET NOMINEES LTD
                           200,900     FIL       RBS TRUST BANK
                           101,280     FIL       STATE STREET NOMINEES LTD
                           170,780     FIL       NORTHERN TRUST
                            26,700     FIL        JP MORGAN
                           125,341     FIL       CHASE NOMINEES LTD
                            37,200     FIL       CITIBANK
                            13,600     FIL       DEUTSCHE BANK AG, LONDON
                           778,570     FIL       BANK OF NEW YORK, LONDON
                           234,302     FIL       CHASE MANHATTAN BANK LONDON
                           189,602     FIL       STATE STREET BANK & TRUST
                            11,000     FIL       MELLON NOMINEES LTD
                            98,000     FIL       BANK OF NEW YORK BRUSSELS 


TOTAL ORDINARY SHARES:   5,073,259

CURRENT OWNERSHIP PERCENTAGE:  4.57%

SHARES IN ISSUE:       110,964,325

CHANGE IN HOLDINGS SINCE
 LAST FILING:           (1,167,162) ORDINARY SHARES






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