The determinative starting point for this appeal by McDermott International, Inc., is whether the district court orders compelling arbitration of McDermott’s dispute with certain Underwriters at Lloyds and staying litigation pending arbitration are interlocutory, not final. Because we hold that they are the former, and because § 16 of the Federal Arbitration Act, 9 U.S.C. § 1 et seq., prohibits appeal from such orders, we DISMISS for lack of jurisdiction. Like *746 wise, we DENY the alternative application for a writ of mandamus.
I.
McDermott, a Panamanian corporation headquartered in Orleans Parish, had an insurance policy with Underwriters that covered the operations of one of McDer-mott’s subsidiaries. The policy required arbitration of “[a]ll differences arising out of this contract”. In 1989, the subsidiary’s property was damaged; and McDermott submitted a policy claim. Maxson Young Associates, Inc., was retained to adjust the loss. Underwriters denied coverage, and this litigation ensued.
Beginning in late 1990, McDermott filed two actions in Louisiana state court against Underwriters: one for contract damages; the other for a declaratory judgment to block arbitration sought by Underwriters. Invoking the Convention on the Recognition and Enforcement of Foreign Arbitral Awards, 9 U.S.C. § 201 et seq., Underwriters removed both actions to federal district court, where they were consolidated.
The district court remanded the cases to state court, holding that a service-of-suit clause in the policy waived Underwriters’ removal rights; but this court vacated that order.
McDermott Int'l, Inc. v. Lloyds Underwriters of London,
Underwriters’ motion to compel arbitration and stay litigation pending arbitration was granted in February 1992. The stay extended not only to the parties to the arbitration agreement, but also to those parties and claims not subject to arbitration.
II.
A.
Because this appeal turns on jurisdiction, we do not reach the issues raised by McDermott — essentially, whether compelling arbitration was erroneous. Underwriters contends that we lack jurisdiction, maintaining that appeal from the district court’s orders is barred by § 16 of the Federal Arbitration Act (FAA), 9 U.S.C. § 1 et seq. That section, 9 U.S.C. § 16, governs appellate jurisdiction over orders affecting arbitration, whether issued under the FAA or the Convention. 2 See 9 U.S.C. § 208.
The FAA manifests a “liberal federal policy favoring arbitration”.
Gilmer v. Interstate/Johnson Lane Corp.,
— U.S. —, —,
The orders staying the litigation and compelling arbitration, if interlocutory, clearly fall under § 16(b), which prohibits appeals from orders “granting a stay of any action under section 3 of this title” and “compelling arbitration under section 206 of this title”. 9 U.S.C. §§ 16(b)(1) & (b)(3). As noted, if final, § 16(a)(3) allows appeal. Therefore, at issue is whether the orders are interlocutory or final.
An order is considered final if it “ends the litigation on the merits and leaves nothing for the court to do but execute the judgment.”
Catlin v. United States,
McDermott maintains that the decision was final in its own “judicial context”, 5 because the only jurisdictional basis for the original suit’s removal to federal court was the question of arbitrability under the Convention. It denies the relevance of both the state law claims raised in the original suit and the other suits that were later consolidated with it. On the other hand, Underwriters asserts that because the arbitrability issue is embedded among other claims, the district court’s decision cannot be deemed to have ended the litigation on the merits.
We agree with Underwriters. When the cases were consolidated pursuant to Fed. R.Civ.P. 42(a), they became a single judicial unit, as described in
Road Sprinkler Fitters Local Union v. Continental Sprinkler Co.,
*748
Because the interpretation urged by McDermott ignores the broad scope of the consolidation orders, we hold that the finality of the arbitration decision depends upon the present posture of the case, not on the narrow context in which the arbitrability question first arose.
Accord, Middleby Corp. v. Hussman Corp.,
Fifth Circuit precedent firmly establishes that, in pending, nonindependent suits, an order compelling arbitration accompanied by a stay of the proceedings pending arbitration is not a final decision for purposes of § 16(a)(3).
See Turboff,
Because the district court’s orders were interlocutory, not final, appeal is barred by § 16(b).
B.
Alternatively, McDermott urges us to review the orders under an application for a writ of mandamus.
6
This court has recognized that such review may be available.
See Turboff,
McDermott has failed to satisfy this most demanding standard. The district court did not clearly overstep its authority when it granted the order compelling arbitration and stayed further proceedings pending that arbitration. Moreover, it is more than well settled that a writ of mandamus is not to be used as a substitute for appeal,
see In re Cajun Elec. Power Co-Op., Inc.,
III.
Congress has forbidden the appeal of interlocutory orders favoring arbitration, intending that the parties first submit to *749 arbitration. Accordingly, this appeal is DISMISSED and the application for a writ of mandamus DENIED.
Notes
. Section 16 provides:
(a) An appeal may be taken from—
(1) an order—
(A) refusing a stay of any action under section 3 of this title,
(B) denying a petition under section 4 of this title to order arbitration to proceed,
(C) denying an application under section 206 of this title to compel arbitration,
(D) confirming or denying confirmation of an award or partial award, or
(E) modifying, correcting, or vacating an award;
(2) an interlocutory order granting, continuing, or modifying an injunction against an arbitration that is subject to this title; or
(3)a final decision with respect to an arbitration that is subject to this title.
(b) Except as otherwise provided in section 1292(b) of title 28, an appeal may not be taken from an interlocutory order—
(1) granting a stay of any action under section 3 of this title;
(2) directing arbitration to proceed under section 4 of this title;
(3) compelling arbitration under section 206 of this title; or
(4) refusing to enjoin an arbitration that is subject to this title.
9 U.S.C. § 16.
. Permissive § 1292(b) jurisdiction is not before us. The district court declined to so certify this matter.
. Because § 16 does not define "interlocutory" and "final”, we look for guidance to cases interpreting those terms in the context of 28 U.S.C. § 1291.
See, e.g., Turboff v. Merrill Lynch, Pierce, Fenner & Smith, Inc.,
.In support of its argument, McDermott quotes Siegel,
Appeals from Arbitrability Determinations Under the New § 15 of the U.S. Arbitration Act,
. A separate petition for the writ (No. 92-3621) was denied by a motions panel of this court on July 28, 1992. That panel noted, however, that the alternative request for mandamus contained in McDermott's appellate brief would be considered with the appeal. We now consider that request.
