Created Monday, Jan 4th 2021 16:14Z, last updated Saturday, Jan 23rd 2021 22:45Z
A UTAir Boeing 737-500, registration VP-BXY performing flight
UT-435 from Surgut to Krasnodar (Russia) with 123 passengers and 5 crew, was departing Surgut's runway 07, when during rotation the crew observed the first officer's air speed indication disagreed with the other two indicators. The crew continued takeoff, climbed to 5000 feet and entered a hold to work the checklists, also identifying the first officer's altimeter disagreed with the other altimeters on board. After completing the ckecklists the crew climbed the aircraft to FL260 and diverted to Tyumen (Russia), located 352nm southwest of Surgut, and landed safely on Tyumen's runway 21 about 100 minutes after departure from Surgut.
Passengers reported boarding was delayed for departure by about 20 minutes, they then waited for another hour for departure, then the aircraft was refueled. About 30 minutes after departure the crew announced they would be landing back in Surgut, subsequently the crew indicated they could not be received in Surgut and they'd divert to Tyumen. The crew never told about what sort of problem they had.
A replacement Boeing 737-500 registration VP-BYM reached Krasnodar with a delay of about 6.5 hours.
The occurrence aircraft resumed service about 12 hours after landing.
Rosaviatsia reported the crew observed the failure of the first officer's speed display during the takeoff run, due to a low runway friction coefficient and high takeoff mass decided however to continue the takeoff. During the climb it was also discovered the altimeter's failure. Following working the checklists the crew decided to divert to their departure alternate and landed at Tyumen above maximum landing weight.
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UT435,
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