| Action | Why Prohibited | |--------|----------------| | Using engine thrust > idle | FOD ingestion, injury to ground crew, brake overheating | | Towing with shear pin missing | Structural overload of landing gear | | Chaining tug to aircraft | No energy absorption; sudden loads break gear | | Applying heat with open flame | Tire explosion, hydraulic fire | | Unblocking without maintenance approval | Voids insurance, causes hidden damage |
A large-scale unblocking operation is a military-style exercise involving several key roles: aircraft unblocking
To raise the aircraft without damaging the airframe. | Action | Why Prohibited | |--------|----------------| |