Sewell v. Public Service Co. of Colorado

832 P.2d 994, 15 Brief Times Rptr. 1635, 1991 Colo. App. LEXIS 345, 1991 WL 242920
CourtColorado Court of Appeals
DecidedNovember 21, 1991
Docket90CA0563
StatusPublished
Cited by20 cases

This text of 832 P.2d 994 (Sewell v. Public Service Co. of Colorado) is published on Counsel Stack Legal Research, covering Colorado Court of Appeals primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Sewell v. Public Service Co. of Colorado, 832 P.2d 994, 15 Brief Times Rptr. 1635, 1991 Colo. App. LEXIS 345, 1991 WL 242920 (Colo. Ct. App. 1991).

Opinion

*995 Opinion by

Judge CRISWELL.

Plaintiff, Sheila Sewell, on behalf of herself and her children, instituted an action for the alleged wrongful death of her husband against defendant, Public Service Company of Colorado (PSC). The claim was based on her assertion that PSC was negligent in not giving warning of the existence of certain power transmission lines with which the private aircraft in which her husband was a passenger collided. The trial court, concluding that the circumstances demonstrated that PSC owed no duty of due care to plaintiffs decedent, granted PSC’s motion for summary judgment. From that judgment plaintiff appeals, and we reverse.

The aircraft accident that resulted in the death of plaintiffs husband occurred at a point about one-half mile west of the developed portion of Red Cliff, Colorado. At that location the Eagle river has formed a canyon at the bottom of which there is both a railroad line and a highway.

Spanning this canyon is a motor bridge. The floor of this bridge is approximately 200 feet above the floor of the canyon.

This bridge is west of power transmission lines, consisting of three conductors, which were originally installed by PSC in the late 1920’s or early 1930’s. The lines cross the canyon at an oblique angle to, and at a substantially higher elevation than, the more westerly motor bridge. None of these three lines had colored balls or other markings to warn of their existence at the time of the accident.

There may exist some dispute as to the exact elevation of these lines and their length between the two towers, one on each side of the canyon, to which they are attached, as of the date of the accident. Shortly after the collision with these transmission lines, PSC’s supervisor of the repair work estimated that the lines, at their highest point, were 500 feet above the floor of the canyon and that the span between the two towers was about 2000 feet. He insisted that, in repairing the three lines, each of which had been severed in the accident, his crew used approximately 6000 feet of wire. In a survey conducted sometime later, however, PSC estimated that the highest point of the lines had been some 425 above the floor of the canyon and that they had spanned a total of only 969 feet between the two towers.

This post-accident survey also estimated that the transmission lines were in excess of 400 feet from the motor bridge at their nearest point (considering both horizontal and vertical distance). Because the bridge and the lines exist at an angle, each to the other, the reasonable inference is that the lines, for most of their span over the canyon, were considerably further than 400 feet from the bridge.

On the late afternoon of the day of the accident, two witnesses observed the aircraft as it flew in a general westerly direction over the residential area of Red Cliff and along the canyon toward the bridge and the sun. Both these witnesses estimated its altitude, as it passed over or near this residential area, as between 600 and 900 feet (200 to 300 yards) above ground level. As it flew toward the bridge, they say that it began to climb, and then it turned, dived, and crashed. Neither realized at the time that it had struck PSC’s transmission lines before crashing.

In asking the trial court to enter summary judgment in its favor, PSC relied, among other things, upon two regulations promulgated by the Federal Aviation Administration (FAA), found at 14 C.F.R. § 91.119(b) and (c) (1991), which regulate the height of aircraft in flight. The first regulation requires aircraft to maintain an altitude of 1,000 feet above the highest obstacle when flying “over any congested area of a city, town, or settlement.” The second requirement is that, even in “sparsely populated areas,” an aircraft “may not be operated closer than 500 feet to any ... structure.”

After demonstrating that the motor bridge and its transmission lines were within the corporate limits of Red Cliff, and relying upon the information summarized above, PSC argued that it could not reasonably foresee that any aircraft would be flown westerly up the canyon from Red Cliff in the manner in which the decedent’s *996 aircraft was being flown. Thus, it concluded that, no harm to a third party being reasonably foreseeable from its failure to place warnings upon or near these lines, it was under no duty to do so. And, in support of this conclusion, it presented the opinion of an experienced pilot that the aircraft was being operated in a reckless manner and the opinion of an FAA administrator that the FAA regulations did not require PSC’s lines to be marked.

To counter this argument, plaintiff first asserted that the evidence as to the elevation of PSC’s transmission lines was fairly disputed and that, if the lines were 500 feet or more above the elevation of the canyon, another FAA regulation, 14 C.F.R. § 77.-23(a)(1) (1991), would require the lines to be considered to be “an obstruction to air navigation.” Further, she noted that, in any case, in an advisory circular issued in October 1985 (just a few months before the accident) the FAA recommended, but did not require, that any object which extended 200 feet above ground level should be marked. Likewise, plaintiff referred to a recommendation of the National Transportation Safety Board that transmission lines 200 feet or more above ground level, or any such lines crossing canyons (irrespective of their elevation), should be marked.

Next, plaintiff presented statistical evidence that, between January 1, 1983, and “mid-1988,” there were 516 occasions in the United States when aircraft struck transmission lines, resulting in some 231 fatalities. Of these 516 incidents, 495, or 96%, involved collisions with unmarked lines.

Plaintiff also noted that PSC had placed marker balls on numerous of its lines in other locations. As an example, she presented copies of use permits issued by the United States Forest Service authorizing PSC to construct transmission lines in two national forests, but requiring such lines to be marked wherever they were 150 feet or more above “mean ground level.”

Finally, plaintiff sought, through written interrogatories, to determine the number and nature of any accidents involving aircraft and transmission lines, occurring before the accident in question, of which PSC was aware. PSC, however, objected to providing such information because, it alleged, such information might involve incidents insufficiently similar to the circumstances surrounding the instant accident that evidence relating thereto would not be admissible. Hence, it averred that such information was irrelevant.

Plaintiffs sought an order compelling PSC to disclose such information. The trial court denied such discovery to them and, in doing so, rested its decision solely upon relevancy grounds.

After considering the foregoing factual materials, the court concluded that PSC had no duty to mark its transmission lines and, therefore, entered judgment for PSC.

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832 P.2d 994, 15 Brief Times Rptr. 1635, 1991 Colo. App. LEXIS 345, 1991 WL 242920, Counsel Stack Legal Research, https://law.counselstack.com/opinion/sewell-v-public-service-co-of-colorado-coloctapp-1991.