Zmaj Fizir FN

Zmaj Fizir FN
Pays	Yougoslave
Rôle	Avion d’entraînement
Premier vol	Mai 1929
Construit	206 + 4 hydravions

Lla Zmaj Fizir FN (Serbian Cyrillic: Змај Физир ФН) was a plane designed for primary (initial) training of pilots in Yugoslavia before World War II. It was constructed in Zmaj, a Zemun-based factory, in the Rogožarski factory in Belgrade, and Albatros in Sremska Mitrovica. Fizir FN had an exceptional low-speed stability, a desirable trait for a training aircraft, and was reliable and easy to maintain. It was also widely used as a sport aircraft.

Source: Zmaj Fizir FN sur Wikipedia

ZMAJ Fizir FN Mars Walter I Walk Around
Photographes	Inconnu
Localisation	Inconnu
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ZMAJ Fizir FN Mars Walter I 01

ZMAJ Fizir FN Mars Walter I 10

ZMAJ Fizir FN Mars Walter I 09

ZMAJ Fizir FN Mars Walter I 08

ZMAJ Fizir FN Mars Walter I 07

ZMAJ Fizir FN Mars Walter I 06

ZMAJ Fizir FN Mars Walter I 05

ZMAJ Fizir FN Mars Walter I 04

ZMAJ Fizir FN Mars Walter I 03

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General Characteristics

The Zmaj Fizir FN (*Fizir Nastavni* – Fizir Trainer) was a single-engine, two-seat biplane developed in the Kingdom of Yugoslavia. Designed by Rudolf Fizir, it became the most numerous and successful domestically-designed pre-war aircraft, serving as the standard primary trainer for the **Yugoslav Royal Air Force** from 1931 until the 1950s. It was praised for its robust construction, reliability, and excellent low-speed stability, an essential trait for a basic trainer.

Property	Typical Value (Walter NZ 120 variant)
Rôle	Primary Pilot Trainer / Sport Aircraft
National Origin	Yougoslavie
Fabricants	Zmaj, Rogožarski, Albatros
First Flight	Mai 1929
No. Built	Over 200 (plus 4 floatplane variants)
Crew	2 (Student and Instructor in tandem)
Length	8.80 m (28 ft 10 in)
Envergure	11.20 m (36 ft 9 in)
Max Takeoff Weight	1,426 kg (3,144 lb)

Design and Powerplant

Engine: One Walter NZ 120 7-cylinder air-cooled radial piston engine. (Many variants existed with different engines).
Power Output: 88 kW (118 hp).
Construction: The airframe featured an all-wood structure, with the fuselage and wings covered in fabric.
Configuration: Conventional two-bay biplane with fixed landing gear. The design included ailerons on both the upper and lower wings to provide excellent control for student pilots.
Notable Variant: The Fizir FN – Walter Mars I was a floatplane (hydro) variant with a more powerful engine, used by the Navy Aviation.

Performance and Service

Maximum Speed: Up to 140 km/h (87 mph, 76 knots).
Cruise Speed: 120 km/h (75 mph, 65 knots).
Service Ceiling: 6,500 m (21,300 ft).
Range: 540 km (340 mi, 290 nmi).
Operational History: Used extensively by the Yugoslav Royal Air Force and by aero clubs for sport flying. It continued in service with the post-war Yugoslav Air Force until its retirement around 1950.
Endurance: Its high stability and reliability made it ideal for the demanding curriculum of basic flight training.