position as shown in fig1 and a closed or retracted position in the closed position the blocker assembly 102 can close off the wheel well 130 and can accordingly function as both a landing gear door and blocker for foreign objects in the deployed position the blocker assembly 102 extends downwardly to block at least some and in at least one embodiment all direct lines of sight between the wheel truck 106 and the engine air inlet 114 such lines of sight can be defined by the region extending between lines 130 a and 130 b accordingly the blocker assembly 102 of the illustrated embodiment prevents debris generated kicked up or otherwise propelled by the wheel truck 106 from travelling on a direct trajectory to the engine air inlet 114 and being ingested by the engine nacelle 112 fig2 is a side elevation view of a portion of the aircraft 100 of fig1 illustrating the blocker assembly 102 configured in accordance with an embodiment of the invention in one aspect of this embodiment the blocker assembly 102 includes a gear door portion 201 and a fod portion 203 the fod portion 203 can extend close enough to the ground and far enough aft in the deployed position to block line of sight trajectories from the wheel truck 106 to the engine air inlet 114 the gear door portion 201 can be configured to close off at least a portion of the wheel well 130 when the main landing gear 104 is retracted in a further aspect of this embodiment the gear door portion 201 and the fod door portion 203 can be longitudinally aligned with each other and at least partially integrated as a single hinged panel that can be hydraulically or mechanically deployed as the wheel.