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Last updated: 25 March 2019
Date:dimanche 11 février 2018
Type/Sous-type:Silhouette image of generic A148 model; specific model in this crash may look slightly different
Antonov An-148-100B
Compagnie:Saratov Airlines
Immatriculation: RA-61704
Numéro de série: 27015040004
Année de Fabrication: 2010
Heures de vol:16249
Moteurs: 2 Progress D-436-148
Equipage:victimes: 6 / à bord: 6
Passagers:victimes: 65 / à bord: 65
Total:victimes: 71 / à bord: 71
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:près de Stepanovskoye, Ramenskoye district (   Fédération de Russie)
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Nat.
Aéroport de départ:Moskva-Domodedovo Airport (DME/UUDD), Fédération de Russie
Aéroport de destination:Orsk Airport (OSW/UWOR), Fédération de Russie
Numéro de vol:6W703
Saratov Airlines flight 703, an Antonov An-148, was destroyed after impacting terrain near Stepanovskoye, Russia. All 65 passengers and 6 crew members were killed.
The aircraft took off from runway 14R at Moscow's Domodedovo Airport at 14:21 hours local time (11:21 UTC). Weather about the time of departure at Domodedovo Airport included limited visibility (2100m) during light snowfall. Temperature was -5°C, overcast cloud deck at 2600 feet AGL.
The Interstate Aviation Committee stated that, prior to departure, the heating of the three pitot tubes had not been turned on.
After takeoff, at an altitude of 130-150 m (425-490 ft) above ground level, the autopilot was switched on. Flaps were raised as the aircraft climbed through an altitude of 550 m (1800 feet).
About 2 minutes 30 seconds after the takeoff, at an altitude of about 1300 meters (4265 feet) and an instrument speed of 465-470 km/h, there were discrepancies between the air speed readings on the captain's side compared to the standby airspeed indicator. The airspeed on the copilot's side is unknown as this parameter was not registered by the flight data recorder. There were no significant difference in the altitude indications. After another 25 seconds, the discrepancies reached about 30 km/h with the speed on the captain's side being greater.
After about 50 seconds, at an altitude of about 2000 meters (6560 ft), the airspeed on the standby airspeed indicator was higher and continued to increase while the airspeed on the captains ASI continued to decrease.
The flight crew then disconnected the autopilot. The airspeed on the captain's side continued to decrease, while the standby ASI showed 540-560 km/h. About 50 seconds after the autopilot was turned off, the flight passed an altitude of 1700-1900 m (5580-6230 ft) with vertical loads ranging from 1.5 to 0.5 g. Subsequently the aircraft entered a steep descent with the ASI on the captain's side showing 0 km/h, and the standby ASI showing 200 km/h. The pitch angle decreased to -30/-35 degrees with a vertical load factor of 0 g.
The aircraft impacted a snowy field around 14:27:05 and disintegrated. Before the collision with the ground, the standby ASI had increased to 800 km/h with the captain's ASI still displaying 0 km/h.

The captain of the An-148 had 2168 hours on type, of which 58 as captain. The first officer had 672 hours on type.

Accident investigation:
Investigating agency: MAK
Status: Investigation ongoing

» Flightradar24

METAR Weather report:
10:30 UTC / 13:30 local time:
UUDD 111030Z 14005MPS 2500 R14R/1800U R14L/P2000D -SHSN BKN007 BKN026CB M05/M06 Q1019 R14R/590293 R14L/590392 TEMPO 1000 SHSN

11:00 UTC / 14:00 local time:
UUDD 111100Z 14006MPS 1800 R14R/1900U R14L/1800U SHSN BKN007 BKN026CB M05/M06 Q1019 R14R/590293 R14L/590392 NOSIG

11:30 UTC / 14:30 local time:
UUDD 111130Z 13006MPS 2100 -SN SCT008 OVC026 M05/M06 Q1019 R14R/590293 R14L/590392 TEMPO 1200 SHSN BKN012CB

12:00 UTC / 15:00 local time:
UUDD 111200Z 13005MPS 1900 R14R/2000D R14L/1900D SN SCT007 OVC026 M05/M06 Q1019 R14R/590293 R14L/590491 TEMPO 1200 SHSN BKN012CB


photo of Antonov An-148-100 RA-61704
photo of Antonov An-148-100 RA-61704
altitude profile
photo of Antonov An-148-100 RA-61704
Flight Data Recorder (FDR)
photo of Antonov An-148-100 RA-61704
Flight Data Recorder (FDR)
photo of Antonov An-148-100 RA-61704
Cockpit Voice Recorder (CVR) and Flight Data Recorder (FDR)
photo of Antonov An-148-100 RA-61704
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Aircraft history
date registration operator remarks
May 2010 RA-61704 first flight
23 June 2010 RA-61704 Rossiya registered
28 July 2013 RA-61704 Rossiya engine shut down after surges
23 August 2013 RA-61704 Rossiya nose gear tyre failure on takeoff
14 April 2015 RA-61704 Rossiya stored at St. Petersburg
8 February 2017 RA-61704 Saratov Airlines leased

Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Moskva-Domodedovo Airport et Orsk Airport est de 1441 km (901 miles).
Accident location: Approximate; accuracy within a few kilometers.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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