Portable Engine Maintenance Sheds Shield Mechanics from the Elements

When faced with operational requirements to conduct heavy engine maintenance far away from dedicated facilities, these maintenance crews employ portable maintenance sheds to bring shelter to the airplane. Still in use today with modern inflatable tents, this concept first emerged during military operations at unimproved airfields, offering respite from harsh elements. Fully equipped with windows for natural light and fuel-fired heaters, portable structures could be rolled up to an aircraft undergoing maintenance, while more permanent structures could be built out on a ramp to allow regular maintenance to be conducted on a ramp away from a traditional hangar.

The McDonnell XP-67 “Moonbat” Represented Ambition Outpacing Engineering
July 29, 2026

The McDonnell XP-67 “Moonbat” Represented Ambition Outpacing Engineering

The McDonnell XP-67 “Moonbat” combined cutting-edge technologies, including a blended-wing body and Continental XL-1430 engines, in pursuit of 472 mph performance. Engine overheating and aerodynamic instability ended the ambitious program before it could reach production.
Grob G600
July 18, 2026

From Business Jet to Spy Plane: How a Civilian Jet Design Nearly Became a Military Surveillance Platform

Grob’s G600 concept would have converted a business jet into a 65,000-foot spy plane with 33 hours of endurance.
Northrop HL-10 Lifting Body Aircraft
June 2, 2026

Northrop HL-10 Lifting Body Aircraft

To help study the science of spacecraft reentry into Earth’s atmosphere, NASA flew and evaluated various lifting-body aircraft.