Hot and high in the context of "McDonnell Douglas DC-10"

⭐ In the context of the McDonnell Douglas DC-10, 'hot and high' conditions prompted a specific modification to which component of the aircraft?

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⭐ Core Definition: Hot and high

In aviation, hot and high is a condition of low air density due to high ambient temperature and high airport elevation. Air density decreases with increasing temperature and altitude. The lower air density reduces the power output from an aircraft's engine and also requires a higher true airspeed before the aircraft can become airborne. Aviators gauge air density by calculating the density altitude.

An airport may be especially hot or high, without the other condition being present. Temperature and pressure altitude can change from one hour to the next. The fact that temperature generally decreases as altitude increases mitigates the "hot and high" effect to a small extent.

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👉 Hot and high in the context of McDonnell Douglas DC-10

The McDonnell Douglas DC-10 is an American trijet wide-body aircraft manufactured by McDonnell Douglas.The DC-10 was intended to succeed the DC-8 for long-range flights. It first flew on August 29, 1970; it was introduced on August 5, 1971, by American Airlines.

The trijet has two turbofans on underwing pylons and a third one at the base of the vertical stabilizer.The twin-aisle layout has a typical seating for 270 in two classes.The initial DC-10-10 had a 3,500-nautical-mile [nmi] (6,500 km; 4,000 mi) range for transcontinental flights. The DC-10-15 had more powerful engines for hot and high airports. The DC-10-30 and –40 models (with a third main landing gear leg to support higher weights) each had intercontinental ranges of up to 5,200 nmi (9,600 km; 6,000 mi). The KC-10 Extender (based on the DC-10-30) is a tanker aircraft that was primarily operated by the United States Air Force.

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Hot and high in the context of Vickers VC10

The Vickers VC10 is a retired mid-sized, narrow-body long-range British jet airliner designed and built by Vickers-Armstrongs (Aircraft) Ltd and first flown at Brooklands, Surrey, in 1962. The VC10 is often compared to the larger Soviet Ilyushin Il-62, the two types being the only airliners to use a rear-engined quad layout, while the smaller Lockheed JetStar business jet also has this engine arrangement.

The VC10 was designed to operate on long-distance routes from the shorter runways of the era and commanded excellent hot and high performance for operations from African airports. The performance of the VC10 was such that it achieved the fastest crossing of the Atlantic by a subsonic jet airliner of 5 hours and 1 minute, a record that was held for 41 years, until February 2020 when a British Airways Boeing 747 broke the record at 4 hours 56 minutes due to Storm Ciara. Only the supersonic Concorde was faster at 2 hours, 52 minutes, 59 seconds. Although only a relatively small number of VC10s were built, they provided long service with BOAC and other airlines from the 1960s to 1981.

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LINKED FROM (PARENTS)
← McDonnell Douglas DC-10 ← Vickers VC10
LINKS TO (CHILDREN)
Aviation → Air density → Ambient temperature → Elevation → Aircraft engine → True airspeed → Density altitude → Pressure altitude →