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Bauer BAD-12 Gyrotrainer

type of aircraft

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionApr 13, 2026
Entity authorityQ4873454
Source-derived summary

The Bauer BAD-12 Gyrotrainer is a Czech autogyro, designed and produced by Bauer Avion of Prague. The aircraft is supplied as a complete ready-to-fly-aircraft.

Design and development

The BAD-12 Gyrotrainer features a single main rotor, a two seats in tandem open cockpit with a windshield, tricycle landing gear with wheel pants, a triple tail and a four-cylinder, air and liquid-cooled, four-stroke, dual-ignition 100 hp (75 kW) Rotax 912ULS engine in pusher configuration. The turbocharged 115 hp (86 kW) Rotax 914 and Subaru EJ22 are optional engines.

The aircraft fuselage is made from tubing, while the cockpit fairing is composite. The main rotor has a diameter of Its 8.70 m (28.5 ft). The BAD-12 has an empty weight of 284 kg (626 lb) and a gross weight of 450 kg (990 lb), giving a useful load of 166 kg (366 lb). The tricycle landing gear is supplemented with a small tailwheel to prevent dragging the tail on take-off. The tailboom has a bend in it to permit the installation of larger and more efficient propellers.

Variants

BAD-12 Gyrotrainer

Base open cockpit model.

Editorial summary

Begin with the source’s own compact description: “Bauer BAD-12 Gyrotrainer” is type of aircraft. The dossier treats that line as a proposition to test through Bauer, BAD-12 and Gyrotrainer, not as a finished interpretation.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current 181-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. For this dossier, Bauer, BAD-12 and Gyrotrainer is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “type of aircraft” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Apr 13, 2026. The linked authority identifier is Q4873454. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

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Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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Source & attribution

This entry incorporates text from Bauer BAD-12 Gyrotrainer” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.