Welcome to another Aviation Series Cache! Featuring: The Learjet
The cache is NOT at the posted coordinates, you must solve the puzzle first.
The Lear business jet is smaller than Airbus and Boeing’s jets, however Learjet’s but play an important role in commercial aviation. Learjet are not that common for commercial airlines, they are a private jet and can carry only a few dozen people. It has a 1,971 mile range and a mach 0.81 max speed which can get its passengers to places fast! Characteristics are a semi-swept wing, wrapped around windshield, pointy nose, and a ’T’ tail. Takeoff length is about 4,200 feet, and can produce about 4.5 thousand pounds of thrust! The cockpit is complete with a Honeywell Primus 1000 EFIS avionics system available in the Learjet 45.The main difference is how small it is compared to the 737 and A320 and how its jet engines are located in the back on the vertical stabilizer. Means of Identifying: Two rear engines, wing below fuselage.
The puzzle: The number of engines the Airbus A340 + Boeing 747 + Boeing 787 + Boeing 737 + Airbus A320. Enter answer into certitude using numbers only, no letters and no spaces.
You can validate your puzzle solution with certitude.