DOW CHEMICAL (NEDERLAND) B.V. v. BP TANKER CO. LTD. (THE "VORRAS")
                                                                    [1983] 1 Lloyd's Rep 579
                                                                    COURT OF APPEAL
                                                                    Before Sir John Donaldson, M.R., Lord Justice Kerr and Sir Sebag Shaw
                                                                    
Charter-party (Voyage) - Laytime - Calculation - Vessel prevented from loading by closure of port due to bad weather - Whether laytime expired soon after vessel's arrival - Whether expiry of laytime postponed by bad weather - Meaning and effect of "72 running hours weather permitting".