MP-1, MP-1bis, MP-1T, by G.M.Beriev

44k b/w MP-1 at Yalta haven, ready for Odessa. "Illustrated Encyclopedia of the TANTK G.M.Beriev aircraft" Vol.1 p.40;

lose-range naval reconnaissater MBR-2 entered production in civil configuration (see the story). It was the first Soviet passenger hydroplane with high degree of comfort. It was equipped with ventilation system, comfortable seats and even cabin paneling. Nicely colored, those planes served on Yalta-Odessa route.
Elimination of open gunners position and underwing hardpoints resulted in higher aircraft speed. No other external changes were introduced. Passenger variant MP-1bis was used for altitude record setting by female pilot Polina Osipenko:
  • 22 May 1937, 8864m;
  • 23 May 1937, 7605m with 500kg load;
  • 25 May 1937, 7009m with 1000kg load;
    Female crew (P.Osipenko, V.Lomako and V.Raskova) flew route Sevastopol-Kiev-Novgorod-Arkhangelsk for record non-stop flight. This was done 2 July 1938, covering 2416km in 10hours33min at average speed 228km/h.
    45k b/w MP-1 of Glavsevmorput. It is not Yalta! "Illustrated Encyclopedia of the TANTK G.M.Beriev aircraft" Vol.1 p.40;

    MP-1T (and later MP-1Tbis) were mostly retired reconnaissaters with removed weapons and rudimentary equipment for cargo operations. Served in Polar aviation as transport, aero-photography, ice and fish reconnaissance. Unlike the passenger variants, those usually carried extra weight and scars of repair, and performance was slightly worser.
  • Technical data
    Type MP-1 MP-1T MP-1bis
    Function Passenger Cargo Passenger
    Year 1934 1936 1937
    Crew 2 2 2
    Engines 1*500hp M-17 1*750hp M-34N
    Length 13.5m 13.5m 13.5m
    Height 5.42m 5.42m 5.02m
    Wingspan 19m 19m 19m
    Wing area 55m2 55m2 55m2
    Empty weight 2640kg 2525kg 3120kg
    Loaded weight 4100kg 4100kg 5185kg
    Wing load 77.8kg/m2 74.8kg/m2 84.5kg/m2
    Power load 8.2kg/hp 8.2kg/hp 6.2kg/hp
    Speed at 0m 214km/h 202km/h 260km/h
    Landing Speed 110km/h 110km/h 110km/h
    Landing Roll 16sec 16sec 16sec
    Takeoff Roll 500m 30sec 500m 30sec 550m 37sec
    Range 680km 680km 1500km
    Flight Endurance 4h 4h 4h
    Ceiling 4720m 3800m 4675m
    1000m 5.5min 9.0min 6.0min
    2000m 12.5min 22.0min 13.0min
    3000m 21.5min 44.0min 23.0min
    4000m 35.0min n/a 40.0min
    Fuel+Oil 515kg 540kg 1200+120kg
    Seats 6 - 6
    Cargo (luggage) 540kg (luggage)
    Created June 22, 1999
    by Alexandre Savine
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