US 1971 'Airmail' Silhouette of Jet Airliner ; Booklet Pane 11c.x4 Scott. C78a
Series: Airmail 1968-1973
Booklet details: Silhouette of Jet Airliner (Use ZIP Code ; Mail Early in the Day)
Issued date: 07-05-1971 (dd/mm/yyyy)
Face value: 11c.x4
Emission: Air Post
Format: Booklet Pane of 4 + 2 Labels
Watermark: No Watermark
Catalogue No:-
Scott (USA): C78a
Stanley Gibbons (UK): A1423a
Yvert et Tellier (France): PAC74b
Dimensions (height x width):
25mm x 22mm
Printer: Bureau of Engraving and Printing
Print Method: Rotary press
Stamp Colors: Carmine
Perforation: Perf 11 x 10½
Paper: Tagged
Themes: Aircraft, Aviation
Booklet details: Silhouette of Jet Airliner (Use ZIP Code ; Mail Early in the Day)
Issued date: 07-05-1971 (dd/mm/yyyy)
Face value: 11c.x4
Emission: Air Post
Format: Booklet Pane of 4 + 2 Labels
Watermark: No Watermark
Catalogue No:-
Scott (USA): C78a
Stanley Gibbons (UK): A1423a
Yvert et Tellier (France): PAC74b
Dimensions (height x width):
25mm x 22mm
Printer: Bureau of Engraving and Printing
Print Method: Rotary press
Stamp Colors: Carmine
Perforation: Perf 11 x 10½
Paper: Tagged
Themes: Aircraft, Aviation
Description:- A Jet Airliner or Jetliner is an airliner powered by jet engines (passenger jet aircraft). Airliners usually have two or four jet engines; three-engined designs were popular in the 1970s but are less common today. Airliners are commonly classified as either the large wide-body aircraft, medium narrow-body aircraft and smaller regional jet. Most airliners today are powered by jet engines, because they are capable of safely operating at high speeds and generate sufficient thrust to power large-capacity aircraft. The first jetliners, introduced in the 1950s, used the simpler turbojet engine; these were quickly supplanted by designs using turbofans, which are quieter and more fuel-efficient.
Source: en.wikipedia.org/wiki/Jet_airliner
Source: en.wikipedia.org/wiki/Jet_airliner