From: email@example.com (Ed Hahn) Organization: The MITRE Corporation, McLean, Va. Date: 20 Dec 95 15:52:05 References: 1 2 3 4
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In article <airliners.1995.1973@ohare.Chicago.COM> firstname.lastname@example.org (Ethan Schell) writes: In article <airliners.1995.1952@ohare.Chicago.COM>, John <email@example.com> wrote: > >> The problem > >> seems to be an incorrect altimeter setting/ indication problem as the > >> pilots were 300 ft. lower than they thought.<<< > > Altimeter settings are only updated once and hour in the Artcc's. According to the AIM, ATIS is updated upon the receipt of any official hourly and special weather (I'm assuming the tower was open). Is an altimeter change of .3" within one hour not significant? ==== According to the press, the tower was not in (normal) operation at the moment, as damage to the roof was causing rain to enter the cab. The controllers had been evacuated from the cab. Also, the preliminary press reports mentioned that the tower supervisor in the cab watching the repairs being performed had communicated with the aircraft, although he had no authority to authorize a landing. (I believe the press report said that his communications were to the effect of "land at pilots discretion".) This being the case, I do NOT know whether the voice ATIS (not the automated SA available by landline) had been updated as called for, due to the abnormal situation. Disclaimer: I do not have first hand knowlege of any of the above events, but only what I gleaned from press statements shortly after the incident. ed -------- Ed Hahn | firstname.lastname@example.org | (703) 883-5988 -------- The above comment reflects the opinions of the author, and does not constitute endorsement or implied warranty by the MITRE Corporation. Really, I wouldn't kid you about a thing like this.