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Delta Connection is a brand name for Delta Air Lines, under which a number of individually owned regional airlines primarily operate short- and medium-haul routes. Mainline major air carriers often use regional airlines to operate services via code sharing agreements in order to increase frequencies in addition to serving routes that would not sustain larger aircraft as well as for other ...
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The history of Delta Air Lines began with the world's first aerial crop dusting operation called Huff Daland Dusters, Inc. The company was founded on March 2, 1925, in Macon, Georgia, before moving to Monroe, Louisiana, in summer 1925. [13] It flew a Huff-Daland Duster, the first true crop duster, designed to combat the boll weevil infestation ...
t. e. The Defense Logistics Agency ( DLA) is a combat support agency in the United States Department of Defense (DoD). The agency is staffed by over 26,000 civilian and military personnel throughout the world.
Delta operates the world's largest fleets of the Airbus A220, Boeing 717, and Boeing 757, the largest passenger fleet of the Boeing 767, and the largest Airbus A330 fleet of any US airline. Delta has historically preferred purchasing or leasing used aircraft or using older-generation models to keep initial acquisition costs down.
The logarithmic decrement is defined as the natural log of the ratio of the amplitudes of any two successive peaks: where x ( t) is the overshoot (amplitude - final value) at time t and x(t + nT) is the overshoot of the peak n periods away, where n is any integer number of successive, positive peaks. The damping ratio is then found from the ...
Logarithmic mean temperature difference. In thermal engineering, the logarithmic mean temperature difference ( LMTD) is used to determine the temperature driving force for heat transfer in flow systems, most notably in heat exchangers. The LMTD is a logarithmic average of the temperature difference between the hot and cold feeds at each end of ...
A Delta Shuttle Boeing 727-200 at Washington National Airport. Delta Air Lines purchased Pan Am Shuttle (including several Boeing 727s) for $113 million, thereby securing Delta's position as the third largest U.S. airline. Delta relaunched the service under the Delta Shuttle brand on September 1, 1991. 2000–2010