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The Antonov/PZL Mielec An-28

Country of origin  
Ukraine and Poland

Photos  

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Photo © Mark Remmel

More photos of Antonov/PZL Mielec An-28

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Photo © Rainer Nyberg
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Photo © Ilya Morozov
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Powerplants  
An-28 - Two 715kW (960shp) PZL Rzeszów built RKBM/Rybinsk (Glushenkov) TVD10B turboprops driving three blade propellers. M28 - Two 820kW (1100shp) Pratt & Whitney Canada PT6A65Bs driving five blade props.

Performance  
An-28 - Max cruising speed 350km/h (189kt), economical cruising speed 335km/h (181kt). Range with 20 passengers 510km (274nm), range with a full fuel load and 1000kg (455lb) payload 1365km (736nm). M28 - Economical cruising speed 270km/h (146kt). Initial rate of climb 2657ft/min. Range with max fuel and 1000kg (2205lb) payload 1365km (735nm).

Weights  
An-28 - Empty equipped 3900kg (8598lb), max takeoff 6500kg (14,330lb).
M28 - Empty equipped 3917kg (8635lb), max takeoff 7000kg (15,432lb).

Dimensions  
Wing span 22.06m (72ft 5in), length 13.10m (42ft 12in), height 4.90m (16ft 1in). Wing area 39.7m2 (427.5sq ft).

Capacity  
Flightcrew of two. Typical passenger seating for 17 at three abreast and 72cm (28in) pitch. High density seating for 20.

Production  
Approximately 200 An-28s have been delivered, with 100 in commercial use. More than a dozen M28s have been ordered.

Type  
Regional airliner and utility transports

History  

The An-28 was the winner of a competition against the Beriev Be30 for a new light passenger and utility transport for Aeroflot's short haul routes.

The An-28 is substantially derived from the earlier An14. Commonality with the An14 includes the high wing layout, twin fins and rudders, but it differs in having a new and far larger fuselage, plus turboprop engines. The original powerplant was the TVD850, but production versions are powered by the more powerful TVD10B.

The An-28 made its first flight as the An14M in September 1969 in the Ukraine. A subsequent preproduction aircraft first flew in April 1975. Production of the An-28 was then transferred to Poland's PZL Mielec in 1978, although it was not until 1984 that the first Polish built production aircraft flew. The An-28's Soviet type certificate was awarded in April 1986.

While of conventional design, one notable feature of the An-28 is that it will not stall, due to its automatic slots. An engine failure that would usually induce the wing to drop 30° is combated by an automatic spoiler forward of the aileron that opens on the opposite wing, restricting wing drop to 12° in five seconds.

PZL Mielec has been the sole source for production An-28s, and has developed a westernised version powered by 820kW (1100shp) Pratt & Whitney PT6A65B turboprops with five blade Hartzell propellers, plus some western (BendixKing) avionics. Designated the An-28PT, first flight was during early 1993 and it is in limited production. Marketed as the M28 Skytruck, the type received Polish certification equivalent to US FAR Part 23 in March 1996.

The An-28 was further developed into the stretched An-38.

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The backbone of this section is from the The International Directory of Civil Aircraft by Gerard Frawley and used with permission. To get your own copy of the book click here.