Consolidated Vultee B-24 Liberator — Aircraft Manuals Collection

The most-produced American military aircraft of all time. The heavy bomber that flew farther, carried more, and was built in greater numbers than any other Allied aircraft of the Second World War. This collection brings together 22 surviving original primary-source publications covering the B-24 Liberator from airframe to armament, powerplant to pilot training — preserved as issued, structured for research.

Engineering Profile

The Consolidated Vultee B-24 Liberator's engineering identity is defined by three interlocking decisions: the Davis wing, the turbo-supercharged Twin Wasp powerplant, and a fuselage optimised for maximum internal volume at the cost of structural redundancy.

The Davis Wing. The Liberator's shoulder-mounted, high-aspect-ratio wing — 110-foot span, 1,048 sq ft area — was its most distinctive and most debated feature. The thin, narrow Davis aerofoil dramatically reduced induced drag at cruising speeds, delivering range and fuel economy that no contemporary heavy bomber could match. The tradeoff was unforgiving: minimal structural tolerance for battle damage, reduced low-speed lift, and a tendency toward tip stall if approach speeds dropped during banking. Every pilot who flew the B-24 knew the wing's limits intimately.

Aerodynamic Development. Early variants underwent continuous refinement. The B-24A and LB-30B introduced improved fairings and fuselage profiling to reduce localised drag. Later production blocks added retractable Sperry ball turrets to preserve laminar flow lines along the belly when not in use. The evolution is documented across the parts catalogs and erection manuals in this collection.

Performance Data — B-24J. Maximum speed: 290–303 mph at military power. Cruising speed: 215 mph. Gross weight tested: 41,000 lbs clean. Maximum takeoff weight: 65,000 lbs combat-laden. Service ceiling: 28,000 ft. Maximum range: 2,100–3,200 miles (extended with auxiliary tanks). Standard bomb load: 5,000–8,000 lbs; maximum short-range capacity: 12,800 lbs.

Powerplant. Four Pratt & Whitney R-1830 Twin Wasp 14-cylinder, two-row, air-cooled radial engines — variants R-1830-43, -41, and -65. Each produced 1,200 hp at 2,700 RPM for takeoff. Exhaust-driven General Electric B-22 turbo-superchargers sustained that military rating to 31,800 feet. Hamilton Standard 3-bladed constant-speed variable-pitch propellers, 11 ft 7 in diameter. From the B-24C onward, oval-shaped nacelles replaced the original circular type to accommodate turbo-supercharger ducting beneath the engine blocks.

Handling and Stability. Wartime pilot training manuals are unambiguous: the B-24 was demanding. High wing loading required high approach speeds and left no margin for slow-speed banking errors. Flight controls were entirely manual and unboosted — at high gross weights, elevator and aileron forces were physically exhausting in turbulence or evasive manoeuvring. The tricycle undercarriage was a forward-thinking layout, but ground steering relied on differential braking and asymmetric thrust, making taxiing notoriously stiff. In water ditching, the high-wing configuration and structurally weak bomb-bay doors were catastrophic — a vulnerability documented in operational loss reports throughout the war.

Technical Orders and Engineering Bulletins. Original publications in this collection document specific structural and modification requirements mandated during production: T.O. 01-1-225 (General Service Notes, Consolidated Model 32, airframe rigidity and field maintenance rules); T.O. AN 01-5EE-1 (operational thresholds, mixture controls, and manifold pressure limits for the R-1830 on B-24 type aircraft); Maintenance Memo 70-1-1 (field changes including radome drain hole enlargement to address moisture buildup and radar distortion in ventral tracking domes). Flight engineer course records cover fuel system cross-feed lines, hydraulic emergency landing gear deployment, and structural repair procedures.

Collection Manifest — 22 Documents

Parts Catalogs

• AN 01-5EA-4 — Parts Catalog, B-24 / B-24A
• AN 01-5E-4 — Parts Catalog, B-24D / B-24J / PB4Y-1
• AN 01-5E-4A — Parts Catalog, B-24E / B-24H
• AN 01-5EE-4B — Parts Catalog, B-24M (Ford production) (1 Aug 1945)

Flight Operating Instructions

• AN 01-5EC-1 — Flight Operating Instructions, B-24D / B-24E / B-24G series
• AN 01-5EE-1 — Pilot's Flight Operating Instructions, B-24G / B-24H / B-24J / B-24L / B-24M / PB4Y-1 / Liberator GrVI & BVI (30 Nov 1944, Rev. 25 Mar 1945)
• Flight Manual — B-24D Airplane (correct as of 15 Sep 1942, Restricted — Consolidated Aircraft Corporation)
• Flight Manual — B-24D / B-24J

Erection and Maintenance

• T.O. 01-5EC-2 — Erection and Maintenance Instructions, B-24D / B-24E / B-24G / RB-24C / PB4Y-1 / Liberator BIII & BIIIA (20 Jul 1943, Rev. 30 Dec 1943)
• Service and Instruction Manual — Airplane General, B-24 Bombardment Airplane (Consolidated Vultee, 2nd Ed.)
• Service and Instruction Manual — Airplane General, B-24D (correct as of 1 Oct 1942 — Consolidated Aircraft Corporation)

Systems Manuals — B-24D Series

• Service and Instruction Manual — Armament, B-24D (correct as of 1 Oct 1942, Restricted)
• Service and Training Manual — Electricity, B-24D Airplane (Consolidated Aircraft Corporation)
• Service and Training Manual — Hydraulics, B-24D Airplane (Consolidated Aircraft Corporation)
• Service and Training Manual — Power Plant, B-24D (Consolidated Aircraft Corporation)
• Service and Instruction Manual — Radio, B-24D Airplane (correct as of 1 Nov 1942, Restricted)

Powerplant Documentation

• Instruction Manual — Pratt & Whitney R-1830-43 & 65 Engines as used in Consolidated-Vultee Liberator (Buick Motor Division / General Motors Corporation, Melrose Park, Ill. — for information only)

Pilot Training and Crew Documentation

• Pilot Training Manual — B-24 Liberator, Vol. 1
• Pilot Training Manual — B-24 Liberator, Vol. 2
• Navigation & Bombing Manual — B-24 / B-32
• A.P. 1867 — Pilot's and Flight Engineer's Notes, Liberator III / V / VI (RAF, 2nd Ed.)
• Liberator Job Sheet Manual — 3509th AAF Base Unit, Airplane & Engine Mechanic Course (Special B-24), Ford Airplane School, Willow Run

This is a Living Collection. Documents are added as new archival sources are acquired. Purchasers receive free lifetime updates.

Permitted Uses

Historical research and scholarship. Aircraft restoration reference. Museum and heritage documentation. Flight simulation and scale modelling. Aerospace education. This collection is not approved for active airworthiness maintenance.

⚠️ Regulatory Notice: Under FAA 14 CFR § 43.13 and EASA Part-M, any mechanic performing maintenance on an active aircraft must use current, manufacturer-approved revision-controlled data. This archival collection does not satisfy that requirement.

This is an archival, static-copy edition fixed at its original publication date. Intended for historical reference, flight simulation, museum restoration, and educational use only. Not approved for active airworthiness maintenance under FAA 14 CFR § 43.13, EASA Part-M, or equivalent international regulations. Operators of active aircraft must use current, revision-controlled publications from the Type Certificate holder or an authorised distributor.

Living Collections with Free Lifetime Updates – Please review our Legal Notice and Export Notice before purchasing.