Fokker F-27 Friendship — Primary-Source Technical Documentation Collection

The Fokker F-27 Friendship is one of the most thoroughly documented regional transport aircraft of the post-war era. This collection brings together primary-source factory manuals, engineering studies, operator documentation, and aerodynamic research reports issued directly by Fokker, its licensed operators, and the Royal Netherlands Air Force — spanning the aircraft's full production and service life from the 1950s through the late 1990s.

Type Certificate holder: Fokker Services B.V., Schiphol, Netherlands — regulatory baseline: EASA Type Certificate Data Sheet No. EASA.A.036.

Document Manifest — 25 Unique Primary-Source Documents

Flight Manuals & Pilot Documentation

• Airplane Flight Manual (AFM) Vol. 1 — Fokker B.V., Schiphol, Netherlands. Normal, abnormal, and emergency procedures; performance tables; operating limitations.
• Airplane Flight Manual (AFM) Vol. 2 — Fokker B.V., Schiphol, Netherlands. Supplementary performance data and systems amplification.
• Airplane Flight Manual (AFM) Vol. 3 — Fokker B.V., Schiphol, Netherlands. Weight and balance, loading, and configuration data.
• Flight Manual — Model F27 Maritime Aircraft — Fokker B.V. / Royal Netherlands Air Force. Issued 15 September 1981; last revised 01 September 1998. Maritime patrol variant procedures and systems.

Maintenance Manuals

• F.27 Maintenance Manual Vol. 1 — Fokker B.V. (burgundy binder series). General airframe maintenance practices and structural inspection procedures.
• F.27 Maintenance Manual Vol. 2 — Fokker B.V. (burgundy binder series). Powerplant and fuel systems maintenance.
• F.27 Maintenance Manual Vol. 3 — Fokker B.V. (burgundy binder series). Hydraulic, pneumatic, and landing gear systems.
• F.27 Maintenance Manual Vol. 4 — Fokker B.V. (burgundy binder series). Electrical, avionics, and instrument systems.
• F.27 Maintenance Manual Vol. 5 — Fokker B.V. (burgundy binder series). Continued systems coverage and inspection schedules.
• F.27 Maintenance Manual — Chapter 27: Flight Controls — Fokker B.V. Standalone chapter, November 1986. ATA 27 full coverage: ailerons, rudder, elevator, trim tabs, control wheels, torque tubes, crosswheel, differential sector, spring tab balance unit, tension regulators, and all associated maintenance practices.

Illustrated Parts Catalog

• Fokker F-27 Illustrated Parts Catalog (IPC) — Fokker B.V. List of Effective Pages dated 28 October 1981 (previous revision: 02 September 1977). Covers ATA Chapters 11, 21–38, 52–57, 61, 71–83, 91. Full component identification and part number data.

Airframe Engineers Training Manuals

• F.27 Airframe Engineers Training Manual Vol. 1 — Royal Netherlands Aircraft Factories Fokker, Schiphol. Structural systems, metal bonding (Redux), and airframe fundamentals.
• F.27 Airframe Engineers Training Manual Vol. 2 — Royal Netherlands Aircraft Factories Fokker, Schiphol-Amsterdam. Advanced structural topics and systems integration.
• F.27 Airframe Engineers Training Manual Vol. 3 — Royal Netherlands Aircraft Factories Fokker, Schiphol-Amsterdam. Continued systems and maintenance engineering training.
• Fokker F27 Friendship Training Manual — Fokker B.V. (brown cover edition). Consolidated systems training reference for ground engineers and technicians.

Ground Handling & Servicing

• Ground Handling and Servicing Data — Fokker B.V., Schiphol-Oost. Towing, jacking, fuelling, servicing procedures, and ground support equipment specifications.

Performance & Description

• F.27 Friendship Description & Performance — Royal Netherlands Aircraft Factories Fokker, Schiphol-Zuid. Aerodynamic configuration, performance tables, and variant comparison data.
• Engineers Pocket Book — F.27 — Fokker B.V., Schiphol. Compact quick-reference data for weights, speeds, systems limits, and servicing parameters.

Engineering Research Reports

• Flutter and Vibration Analysis of the F.27 — Fokker Internal Engineering Report X-27-363. Aeroelastic analysis, flutter margins, and vibration test data.
• F27 Mk 500 RF Pylon Configuration Analysis — Fokker Internal Engineering Report G27-400-I. Structural and aerodynamic analysis of the RF reconnaissance pylon installation.

Military Variant Documentation

• Fokker F.27 M Military Transport — Design Summary — Royal Netherlands Aircraft Factories Fokker. Classified original issue; now declassified archival copy. Structural, systems, and performance summary for the military transport variant.
• Le Cargo Militaire F27 — Fokker, 1968. French-language military cargo brochure. Cargo loading configurations, military payload data, and operational flexibility documentation.

Specialist Variant Documentation

• Fokker F27 RFV — Operations on Unsurfaced Runways — Fokker B.V., 1979. Engineering and operational data for the Rough Field Version: minimum bearing strength requirements, tyre pressure data, and unprepared strip performance.

Operator Documentation

• B.A.C. Express Airlines Operations Manual — Part B2: Aeroplane Operating Matters F27 — Record of Amendments current to AL14, April 2004. Airline-specific operating procedures, performance engineering data, and crew operating standards.

Engineering & Aerodynamic Highlights

Airframe & Aerodynamics: High-wing configuration with a 29.00 m wingspan and 70 m² total wing area. Fokker pioneered metal-to-metal Redux bonding, replacing traditional rivets — yielding a 15% lighter structure with superior fatigue life. Dual-slotted trailing-edge flaps (inboard and outboard). Wind tunnel research at 1:20 scale confirmed propeller slipstream effects on lift and directional control over the high-wing structure.

Powerplant: Twin Rolls-Royce Dart turboprops (Mk 528, 532-7R, or 536 / RDa.7 series), delivering 2,050–2,250 equivalent shaft horsepower (ehp) per engine. Two-stage centrifugal compressor, pressure ratio ~5.62:1. Dowty Rotol four-blade constant-speed fully feathering propellers. Hydraulic Flight Fine Pitch Stop (FFPS) system: minimum in-flight blade pitch 20°; Ground Fine Pitch (GFP) 0°–20° for aerodynamic braking on landing.

Handling: Highly stable lateral and longitudinal platform. Mechanical flight controls with balance tabs — no hydraulic boosting required. Automatic propeller feathering system for single-engine safety within certified V_MC limits.

Performance Reference Data

Ideal For

• Aviation historians and archival researchers
• Aircraft restorers and museum conservators
• Flight simulation developers and enthusiasts
• Scale modelers requiring primary-source technical references
• Engineering students studying post-war European aircraft design
• Collectors of primary-source aviation documentation

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 authorized distributor.

⚠️ 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 document does not satisfy that requirement.

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