Definition
The specific structural fittings on an airframe where major components — such as wings, tail surfaces, landing gear, or engines — are bolted, pinned, or otherwise mechanically fastened to the rest of the aircraft. Attach points are designed to transfer flight and ground loads from the attached component into the primary structure.
Plain English
The exact spots on the airplane where big parts like the wings or tail are bolted on. They're built to handle the forces that try to push, pull, or twist those parts loose during flight.
Context Anchor
You may see this term when learning how wing and tail surfaces are mounted, inspected, or connected to the airplane structure.
Derivation
From everyday 'attach' (to fasten or connect) plus 'points' (precise locations). The term emphasizes that these are not casual connections but precisely engineered load-bearing interfaces.
Why Pilots Care
Attach points carry flight loads; any damage, corrosion, or improper hardware at these points can lead to structural failure.
Intuition Check
Do not think of attach points as just any place where something happens to be bolted on. In an airplane, an attach point is a designed structural connection point that must carry specific forces safely.
Example Sentence 1
During the walk-around, the pilot checked the wing attach points for any signs of cracking or loose hardware.
Example Sentence 2
Mechanics aligned the horizontal stabilizer with the fuselage attach points before installing the bolts.