The aircraft and its systems

The FB-111A is a two-place (side-by-side) long range fighter bomber. The wing, equipped with leading edge slats and trailing edge flaps, maybe be varied in sweep, area, camber and aspect ratio. This capability earned it the distinction of being the world's first variable geometry production aircraft. The crew escape system is an airtight module which may be severed from the airframe by different methods. The module, once jettisoned, provides all life support and survival systems for the aircrew. These include protection from wind blast during ejection, oxygen, survival equipment, radio beacon and water flotation. In fact ejection can be initiated when the aircraft is completely submerged. Power is provided by two Pratt and Whitney TF-30 avial-flow dual compressor turbofan engines. Both engines are equipped with afterburner and develop around 20,000 pounds of thrust apiece. The aircraft design and engine thrust enable operations above 60,000 feet exceeding speeds of mach 2.5. The terrain following radar is unique in its ability to fly the aircraft over obstacles as low as 200 feet, at speeds of mach 1.1. This combined with an advanced forward looking radar, allows navigation, location, and penetration of enemy targets with extreme accuracy.

Note: The information presented on this page were taken from an "OJT Instructor Guide". This handbook was developed by the 436th Strategic Training Squadron / OL-PL for FB-111A maintainers. It was conceived as a training aid and had the advantage of having a lot of general infos in one book. Its only purpose was to give quick reference, as far as systems, operations, functions, etc... The pressures, readings and limitations were subject to change, and were used only to provide general parameters.


Section 3: Avionics.

Primary Flight Instrumentation. (1), (2), (3)

Standby Flight Instrumentation. (1), (2)

Mission and Traffic Control. (1), (2), (3)

Bombing Navigation system. (1), (2), (3), (4)

Penetration Aids. (1), (2), (3)

Section 4:

Escape and survival systems.

Ejection system components.

Stabilization system.

Recovery system. (1), (2), (3)

Quick rescue survival kit.

Crew seat components and Location Aids.

Oxygen systems. (1), (2)

Section 5: Electrical, power and lighting.

Main AC power system.

Main AC power system AMPs modified.

Aircraft generator and control panel.

AC power panel and Main AC generator drive assembly.

Emergency AC power system and Equipment installation left forward equipment bay.

Main DC power system.

Main DC power system AMPs modified.

DC power system component location.

Exterior lighting locations.

Lighting system control.

Interior lighting assemblies.

Overhead fairing flood lights.

High altitude white flood lights.

Glare shield lighting.

Wheel well overheat detection system.

Section 7:

Environmental control system.

Environmental system components.

Air conditioning and pressurization system. (1) and (2)

SRAM system components.

Section 6:

Engine systems.

Engine pneumatic schematic.

Engine and afterburner fuel system schematic.

Engine to airframe mounts.

Engine starters.

Miscellaneous engine components. (1) and (2)

Main engine fuel control and gang drains.

Gearbox components.

Main fuel control.

Fuel pressurizing and dump valve.

Fuel derichment valve.

Afterburner fuel rings and flame holders.

Afterburner and exhaust nozzle fuel control.

Afterburner fuel pump.

Afterburner fuel-oil cooler.

Nacelle vent ejection system.

Spike system.

Engine fire detection / extinguisher system.

Fire extinguishing schematic.

Section 8:

Crew module switch locations and Cockpit controls.

Left control stick and torque tube.

Rudder pedals and linkage.

Flight control / High lift and deceleration devices.

Flight control system components.

Pitch and roll mechanical schematic.

Roll channel electric schematic.

Pitch channel electric schematic.

Yaw channel schematic.

Flap / Slat and high lift components.

High lift mechanical schematic.

Slat surfaces and actuator and Flap surfaces.

Flap / Slat drive mechanism.

Spoiler brake system.

Wing sweep system components and schematic.

Section 9: Fuel system.

Forward fuselage tank system and Aft fuselage tank system.

Fuel supply system.

Fuel control system.

Bay F-1 component and plumbing location.

Bay F-2 component and plumbing location.

Upper trap tank compartment, components and plumbing location.

Lower trap tank compartment components and plumbing location.

Aft fuselage tank system.

Bay A-1 component and plumbing location.

Bay A-1 saddle tank compartment.

Bay A-2 component and plumbing location.

Weapons bay tanks.

Wing tank components.

External store tanks.

Fuel tank water drain valves.

In-flight refueling system control diagram.

Refuel / Defuel controls and locations.

Weapons bay tank capacities.

Section 10: Hydraulic / Pneumatic power systems.

Hydraulic power systems.

Hydraulic primary power supply system.

Hydraulic utility power supply system.

Hydraulic hand pump, and Hydraulic reservoir.

Hydraulic cooler, and Firewall shutoff valve.

Hydraulic filters.

Pneumatic power system. (1), (2), (3),

Individual pneumatic systems. (1). (2), (3), (4), (5)

Section 11: Landing gear system.

Landing gear system.

Landing gear system hydraulic flow diagram.

Landing gear system components location.

Nose wheel steering torque tube and universal joint housing assembly.

Main landing gear components. (1), (2), (3)

Arresting hook and tail bumper components.

Arresting hook and dashpot assembly.

Tail bumper system components.

Alternate landing gear extension system.

Brake system.

Brake assembly and brake hose support bracket

Section 12: Weapons system (general).

FB-111A armament system.

Stores management controls.

Weapons systems (general).

Weapons stations / Pylons.

Weapons pivot-pylon adapter.

Stationary pylon.

MAU-12B/A universal bomb rack.

Section 13: Miscellaneous.

Aircraft inspections.

Additional aircraft inspections.

Aircraft codes and torque values.

Cold weather procedures. (1) and (2)

Powered / Non-powered support equipment.


Click on the following to see photos of the cockpit:

1- Pilot's side of FB 67-0161 at AMARC. (C.Mitchell)

2- Navigator's side of FB 67-0161 at AMARC. (C.Mitchell)

3- Cockpit of F-111G 67-7193 at AMARC. (C.Mitchell)

4- The cockpit of 68-0284 preserved at Barksdale AFB, LA. (M.Kaplan)