Nicotine is a nicotinic acetylcholine receptor (nAChR) agonist, (a Naâº/Kâº ionophore through neural postsynaptic membranes in mammals and insects) except at nAChRÎ±9 and nAChRÎ±10 where it acts as an antagonist. It is made in the roots of and accumulates in the leaves of the nightshade family of plants.
All 150 on board are believed to have been killed. The aircraft in question was 24 years old and originally flown by Germanwingsâ parent company, Lufthansa. Germanwings is a low-budget subsidiary of Lufthansa. While the average age of a U.S. domestic commercial airliner is 11 years old, it is not uncommon for aircraft to still be in service at 24, 25, even 30 years old. âTwenty-four is not terribly old for an aircraft,â Bill de Decker, chairman of Texas-based Conklin & de Decker Aviation, told TravelPulse this morning.
The firm is also operating 15 767-200s that are 24 years old. The 737NG, which AMR does have in its fleet, and the 787 Dreamliner are significantly more fuel-efficient that these older planes. The average age of AMR's mainline fleet is 15 years.The average age of airplanes in Eagle's fleet, its regional carrier, is 10 years.he firm has 164, 757-200s that are about 18 years old, as well. The average age of Delta's fleet, which does include some regional jets (so the age comparison may not be completely apples-to-apples to peers presented in this article), is 15.1 years. Click to enlarge: