Learjet 28

The Learjet 28 is an American eight to ten seat (two crew and six to eight passengers) twin-engined high speed business jet intended to be the successor to the Learjet 25. The Learjet 29 is identical except for the addition of a long-range fuel tank resulting in the reduction of the capacity to six (two crew and four passengers). Both were manufactured by Learjet and were marketed under the Longhorn name.

Learjet 28/29 List of All Business Jet Types Places & Travel picture Learjet 28/29 - 1
the Learjet 28 in 1977, not the MD-11 which came into service around 1986.2
* 1979 Learjet 28 (For Sale) * TT: 4570 * ET: Not Given * Price: $850,000.3
* Learjet 28/29, the first production jet aircraft to use winglets (1977) * Glaser-Dirks DG-303, an early glider derivative design, 4
* Learjet 28/29, the first production jet aircraft to use winglets (1977) * Glaser-Dirks DG-303, an early sailplane derivative design, incorporating winglets as 5
aircraft to use them was the Learjet 28/29, built in Wichita in 1977.6
for the short-lived Learjet 28/29 series and for some of the more successful models that followed.7

Made by Learjet.

It is the successor of the Learjet 25 .

In 1977, the Learjet 28 became the first production jet to use winglets.8
LearJet 28 that featured the first winglets on a jet and a production aircraft.9
Learjet 28/29 in 1977.10
Learjet exhibited the prototype Learjet 28 at the 1977 National Business Aviation Association convention.11
The unsuccessful Gates Learjet 28 and 29 Longhorns are based on the 25 but introduced a new increased span wing fitted with winglets, which improved fuel efficiency and overall performance, particularly payload 12
The Learjet 28 is an American eight to ten seat (two crew and six to eight passengers twin-engined high speed Business jet, intended to be the successor to 13
The Learjet 28/29 became the first production jet aircraft to utilize these winglets, which are now a common sight on most business and commercial airplanes.14
Developed Into
Learjet 31
Predecessor
Learjet 25
Eng 1 Type
Turbojet
First Flight
1977-08-24
Cruise Speed Note
econ cruise at 51
000 ft
Ceiling Ft
51000
Cruise Speed Mph
470
Developed From
Learjet 25
Gross Weight Lb
15000
Capacity
8
Crew
2
Empty Weight Kg
3750
Stall Speed Kmh
165
Span M
13
Manufacturer
Learjet
Range Miles
1309
Max Speed Mph
549
Eng 1 Name
General Electric CJ-610-8A
Eng 1 Lbf
2950
Wing Area Sqft
265
Height M
4
Prime Units
imp
Eng 1 Number
2
Mach Speed Note
at 25
000 ft
Length M
15
Category
Learjet aircraft
United States business aircraft 1970-1979

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