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British Airways plc v Williams & Ors

United Kingdom Supreme Court
Oct 17, 2012
Smart Summary (Beta)

Factual and Procedural Background

Company A employs commercial pilots whose terms of work and remuneration are governed by a collective Memorandum of Agreement negotiated with The Union. In addition to a fixed annual salary, pilots receive two variable supplements: a Flying Pay Supplement (FPS) linked to hours flown and a Time Away From Base allowance (TAFB) linked to hours spent away from base.

The Civil Aviation (Working Time) Regulations 2004 (“the Aviation Regulations”) implement EU Directive 2000/79/EC and afford crew members at least four weeks of paid annual leave. The Regulations, unlike other working-time regimes, contain no formula for calculating a “week’s pay.” The parties disagreed on whether pilots’ holiday pay should include FPS and part of TAFB.

Earlier proceedings reached the Supreme Court, which on 24 March 2010 referred five interpretative questions to the Court of Justice of the European Union (CJEU). On 15 September 2011 the CJEU held that paid annual leave must reflect (a) basic salary, (b) remuneration components “intrinsically linked” to the tasks under the contract, and (c) elements related to the worker’s personal and professional status. Components covering purely occasional or ancillary costs may be excluded. The present judgment determines the domestic consequences of that ruling.

Legal Issues Presented

  1. Whether the Aviation Regulations, though silent on calculation methodology, effectively implement the Directive so as to confer an enforceable right to holiday pay reflecting “normal” remuneration.
  2. Whether the Employment Tribunal has jurisdiction to identify a “representative reference period” and quantify holiday pay in the absence of statutory guidance.
  3. Whether TAFB (in whole or in part) forms part of “normal remuneration” for the purpose of annual leave.

Arguments of the Parties

Appellants’ Arguments

  • The CJEU decision requires inclusion of basic pay, FPS and at least 18 % of TAFB when calculating paid leave.
  • The proper course is to remit each claim to the Employment Tribunal so it can identify a representative reference period and quantify the sums due.

Company A’s Arguments

  • The Aviation Regulations are too indeterminate to transpose the Directive; without further legislation they cannot oblige employers to pay more than basic salary.
  • Legal certainty and principles against expanding criminal liability prevent courts from “reading in” a calculation method.
  • TAFB is intended exclusively to cover expenses incurred while away from base and should therefore be excluded entirely.
  • Regulation 18 of the Aviation Regulations confers no power on tribunals to award compensation for under-payment of holiday pay.

Table of Precedents Cited

PrecedentRule or Principle Cited ForApplication by the Court
British Airways plc v Williams (Case C-155/10) [2012] ICR 847Components of remuneration to be included in paid annual leavePrimary authority guiding the domestic court’s analysis on holiday pay composition
Parviainen v Finnair Oyj (Case C-471/08) [2011] ICR 99Maintenance of pay elements linked to professional statusCited to illustrate mandatory inclusion of status-related allowances
Gassmayr v Bundesminister (Case C-194/08)Application of Parviainen reasoning to pregnancy leaveReinforces breadth of pay elements to be maintained
Dominguez v Centre Informatique (Case C-282/10)Direct effect of Article 7 of the Working Time Directive against the StateUsed to rebut certainty objections; demonstrates clarity of Directive obligations
Marleasing SA v La Comercial Internacional (Case C-106/89)Duty of conforming interpretationSupports reading domestic rules in line with Directive aims
Pfeiffer v Deutsches Rotes Kreuz (Joined Cases C-397-403/01)Scope of interpretative obligationApplied to justify tribunal’s role in filling legislative gaps
Kolpinghuis Nijmegen BV (Case 80/86)Limits of interpretation where criminal liability may be extendedCompany A invoked; court distinguished
Arcaro (Case C-168/95)Same principle as KolpinghuisCompany A invoked; court distinguished
Tarmac Roadstone Holdings Ltd v Peacock [1973] ICR 273Meaning of “normal working hours” in pay calculationsCited for context on Employment Rights Act methodology
Bamsey v Albon Engineering [2004] ICR 1083Application of Employment Rights Act sections to holiday payReferenced to contrast with aviation regime lacking those sections
United Kingdom v Council (Case C-84/94)Health and safety purpose of Working Time legislationForms backdrop for interpreting objectives of holiday pay
R (BECTU) v Secretary of State (Case C-173/99)Non-derogability of right to paid leaveLimits Member States’ discretion in implementing conditions
Robinson-Steele v RD Retail Services (Cases C-131 & C-257/04)Holiday pay must place worker in a remuneration position comparable to work periodsInformative but distinguished on facts
Stringer v Revenue and Customs (Case C-520/06)Entitlement to paid leave during long-term sicknessCited for “comparable remuneration” language
Seda Kücükdeveci v Swedex (Case C-555/07)Extent of national courts’ interpretative dutySupports conforming interpretation approach

Court's Reasoning and Analysis

Judge [Lead] held that the Aviation Regulations, although silent on calculation mechanics, deliberately mirror the Directive’s wording and therefore must be construed in the same spirit. The Court rejected Company A’s submission that legal uncertainty prevented domestic enforcement, noting that:

  • The CJEU deemed Article 7 sufficiently precise to have direct effect against Member States; identical domestic language can therefore guide tribunals.
  • Any indeterminacy is cured by allowing employers to nominate a representative reference period; failing that, tribunals may select one within reasonable parameters.
  • Regulation 18 empowers tribunals to award compensation where an employer “refuses to permit” exercise of the right to paid leave, which encompasses under-payment.
  • Concerns about extending criminal liability under analogous maritime regulations are speculative and do not override civil enforcement under the Aviation Regulations.

On TAFB, the Court concluded that whether the allowance (or a proportion of it) is “intended exclusively to cover costs” (and thus excludable) is a factual issue. The existing record was insufficient for determination, and the Employment Tribunal must examine the genuine purpose of the payments.

Holding and Implications

HOLDING: The appeals succeed to the extent that the matter is remitted to the Employment Tribunal for determination of (a) an appropriate representative reference period and (b) which elements of remuneration, including any portion of TAFB, must be included in holiday pay.

Implications: Pilots may recover additional holiday pay beyond basic salary, subject to tribunal findings. Employers must proactively identify a representative calculation period or risk tribunal-imposed figures. No new precedent is set on the precise percentage of TAFB to be included, but the judgment confirms tribunals’ competence to quantify holiday pay absent explicit statutory formulae.