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PiperOther aircraft · Fixed-wing · United States

U-11A Aztec

Seats
6 6
Power
250 hp186 kW
Cruise
149 kt277 km/h

About the U-11A Aztec

The Piper Aircraft U-11A Aztec is an American twin-engined fixed-wing aircraft configured with a low-wing monoplane layout. It accommodates between four and six occupants and is powered by two piston engines, serving general aviation operators as well as military forces.

Originating from a design inherited through corporate acquisitions in the nineteen-fifties, the prototype initially flew with a twin-tail configuration. Due to underwhelming performance during early testing, the airframe underwent a significant redesign that incorporated a single vertical stabilizer, an all-metal rear fuselage, and upgraded powerplants before entering production under its famous series names.

U-11A Aztec running costs

$459 an hour
A year
LowTypicalHigh
Fuel$17,214$22,058$25,805
Oil$400$500$650
Engine overhaul reserve$6,667$7,917$10,384
Propeller overhaul reserve$1,833$2,167$2,500
Annual inspection and maintenance$5,000$7,000$9,000
Hangar$3,000$6,300$9,600
Total$34,114$45,942$57,939
Per hour$341$459$579

Engine

Model
2 × Lycoming IO-540-C4B5
Power
250 hp
Overhaul
2,000 h / 12 yr
Fuel burn
22.8 – 28.8 gal/h
Fuel price
$8.20 /US gal

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