description Pilatus B4-PC11 Overview
The Pilatus B4-PC11 is an all-metal, single-seat glider aircraft originally manufactured by the Swiss company Pilatus Aircraft. It completed its first flight in 1966 and was designed primarily as a standard-class sailplane for amateur pilots and flying clubs. The later B4-PC11AF variant was specifically strengthened and cleared for full aerobatic maneuvers. It features a 15-meter wingspan and is recognized for its durable construction and stable handling characteristics.
help Pilatus B4-PC11 FAQ
Are all Pilatus B4 gliders cleared for full aerobatics?
No. The B4-PC11AF is the fully aerobatic version, while earlier B4-PC11 and B4-PC11A aircraft have different approved maneuver and load limits.
Why is the Pilatus B4 unusual among club gliders?
The B4 is an all-metal sailplane in a field dominated by later fiberglass designs. It has a 15-meter wingspan, no wing flaps, and upper-surface air brakes for controlling the approach.
When did the Pilatus B4-PC11 first fly?
The original design first flew on November 7, 1966, before Pilatus acquired its manufacturing rights. Pilatus subsequently produced it under the B4-PC11 designation, which also fits the company's PC-11 numbering.
How can I identify a B4-PC11AF rather than a standard B4?
The aircraft's data plate, registration records, flight manual, and approved type documents are the reliable identifiers. An AF designation matters because structural and control changes distinguish the fully aerobatic version from earlier B4 variants.
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