William N. Rimer v. Rockwell International Corporation

641 F.2d 450, 22 Ohio Op. 3d 216, 1981 U.S. App. LEXIS 20045
CourtCourt of Appeals for the Sixth Circuit
DecidedFebruary 19, 1981
Docket78-3380
StatusPublished
Cited by19 cases

This text of 641 F.2d 450 (William N. Rimer v. Rockwell International Corporation) is published on Counsel Stack Legal Research, covering Court of Appeals for the Sixth Circuit primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
William N. Rimer v. Rockwell International Corporation, 641 F.2d 450, 22 Ohio Op. 3d 216, 1981 U.S. App. LEXIS 20045 (6th Cir. 1981).

Opinion

NATHANIEL R. JONES, Circuit Judge.

William N. Rimer and Crow, Inc. (Crow) appeal from a jury verdict in favor of the defendant, Rockwell International Corporation (Rockwell).

Rimer, Crow, and Crow’s insurer filed this action based on negligence and strict liability after Rimer was forced to land an Aero Commander 520 in a cornfield because all the fuel siphoned out of its fuel tanks. They alleged that the Aero Commander’s fuel system was defectively designed and that Rockwell was willfully negligent because it failed to warn about these design defects. Rockwell raised affirmative defenses which alleged that Rimer was contributorily negligent and that he assumed the risk. Because the district court erred in holding that Rimer was contributorily negligent as a matter of law and because it erroneously excluded evidence, we reverse.

I.

The Aero Commander 520 was first manufactured in 1952. It is a twin engine plane designed to carry a small number of people and operate from short runway airfields. The Civil Aeronautics Administration (CAA) certified it as airworthy.

The Aero Commander 520’s fuel system is composed of five interconnected rubber lined fuel tanks. This system supplies both the plane’s engines. Interconnected fuel tanks are simpler to operate than a fuel *452 system with independent tanks which requires the pilot to switch tanks as fuel is used.

The single gas intake for the fuel system is located on top of the wing. When the plane is in flight negative pressure siphons the fuel from the tank if the cap is not properly fastened or if it is lost in flight. Siphoning will eventually empty all the tanks because they are interconnected.

Although fuel siphoning is dangerous because of the unexpected loss of fuel, it is still more dangerous in Aero Commanders. When siphoning occurs the rubber lining in the fuel tank collapses on the float which controls the fuel gauge on the pilot’s instrument panel. As a result, the fuel gauge continues to indicate that there is fuel in the tanks in spite of the siphoning. When this occurs, the engines quit without warning.

The first two hundred and thirty Aero Commanders which were manufactured used military specification fuel caps. In 1952, the CAA approved this cap. It did not have the safety features incorporated in new fuel caps. The military specification fuel cap has a single “handle attach pin” (hinge pin) which connects the cap’s handle and the inner part of the cap. If the hinge pin is broken the cap’s inner flanges will not lock properly when the cap is fastened in place. Although the cap’s handle must be folded down after the cap is in place to properly secure the cap, this can be done even if the hinge pin is broken.

In 1955, Rockwell replaced the military specification fuel cap with a cap manufactured by Shaw Aero Devices. The Shaw Cap was a positive locking cap and had a hinge which could not be folded down unless the cap was properly locked.

In November, 1966, Rockwell issued an optional custom kit designed to replace the fuel caps on Aero Commanders with a non-siphoning fuel cap. The non-siphoning cap has an inner cap at the mouth of the fuel line which is spring loaded to remain shut. The inner cap prevents siphoning even if the main cap is left off. At the time the custom kit was issued a Rockwell memorandum revealed that the anti-siphoning cap “was purposely put out as a Custom Kit rather than as a mandatory service bulletin in an effort to prevent operators from pressing litigation.” A mandatory service bulletin would have required the owners of Aero Commanders to install the non-siphoning cap.

In 1969, the Federal Aviation Administration (FAA) required all new twin engine plans to be equipped with non-siphoning caps. All Aero Commanders built after this time were equipped with non-siphoning caps.

In January, 1973, Rockwell issued a mandatory service bulletin for all Aero Commanders with military specification fuel caps. The bulletin required the owners of Aero Commanders to inspect the caps by disassembling them and examining the hinge pin. If the hinge pin was damaged or corroded that bulletin directed that it be replaced.

On March 9, 1973, the FAA issued an Airworthiness Directive (AD) which required the owners of Aero Commanders with military specification fuel caps to replace them with non-siphoning fuel caps. The AD required compliance within two hundred flight hours.

In November, 1973, Crow serviced the Aero Commander involved in this action for its former owner. At the same time, Crow conducted the annual inspection required by the FAA. This plane had a military specification fuel cap. Crow had only one mechanic who was authorized to certify the inspection, William Tanner. He was required to familiarize himself with all the service bulletins for the planes he inspected. Tanner testified Crow did not have Rockwell’s service bulletins for the Aero Commander 520, but said he borrowed them from another fixed base operator. These bulletins required inspection of the fuel cap. Crow admitted in its answers to interrogatories that it did not have knowledge of the AD which required replacement of the military specification fuel cap, but Tanner contradicted this and testified that he told the *453 Aero Commander’s pilot about the AD. Tanner certified the inspection although he did not personally inspect the fuel cap. He said that if he had inspected the fuel cap he would have been concerned by its corroded condition.

Ten flight hours after Crow serviced the plane, a mechanical engine failure forced its pilot to make an emergency landing at Neosho, Missouri. The damaged engine was replaced by the Neosho Flying Service.

While the plane was at Neosho, Crow purchased it as a trade-in. Rimer went to Neosho to ferry the plane to Crow’s base at Toledo, Ohio. When Rimer arrived at Neosho, he spoke to the plane’s former pilot. The pilot told Rimer about the plane’s flight characteristics and warned him that the fuel gauges were erratic. He did not tell Rimer about the AD which required replacement of the fuel cap, although he knew about it.

Rimer examined the Aero Commander’s maintenance manual before he left Neosho. He familiarized himself with the fuel system and knew that the fuel cap had to be securely fastened for safe flight.

When the plane was fueled the “line boy” (fueler) could not get the fuel cap to come off. Rimer was standing by the plane at this time. The fueler called the mechanic who worked for Neosho Flying Service to remove the cap. The mechanic climbed on the wing and removed the cap with a screwdriver. He broke the cap’s hinge pin when he removed the cap. Rimer saw the mechanic remove the cap, but there was conflicting testimony about whether the fueler told Rimer that the cap was rusty and that it spun freely but would not come off.

Rimer performed a walk around inspection while the plane was being fueled. The refueling ladder was near the plane, but Rimer did not use it to personally inspect the fuel cap. Instead, he looked at the fuel cap from the ground while he was standing behind the plane’s tail. Rimer testified he was trained to remove the fuel cap and check the fuel supply. He also testified that pilots were generally taught to remove the cap during preflight inspection.

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Bluebook (online)
641 F.2d 450, 22 Ohio Op. 3d 216, 1981 U.S. App. LEXIS 20045, Counsel Stack Legal Research, https://law.counselstack.com/opinion/william-n-rimer-v-rockwell-international-corporation-ca6-1981.