Canadian North AT42 at Yellowknife on Dec 10th 2023, stickshaker immediately after takeoff

Last Update: December 22, 2023 / 21:40:46 GMT/Zulu time

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Incident Facts

Date of incident
Dec 10, 2023

Classification
Incident

Flight number
5T-620

Destination
Kuglutuk, Canada

Aircraft Registration
C-GKLB

Aircraft Type
ATR ATR-42

ICAO Type Designator
AT42

A Canadian North Avions de Transport Regional ATR-42-300, registration C-GKLB performing flight 5T-620 from Yellowknife,NT to Kuglutuk,NU (Canada) with 17 people on board, departed Yellowknife in freezing rain after being de-iced, however, immediately after rotation for takeoff the stick shaker activated and a FLT CTRL indication activated. The crew stopped the climb at 1500 feet, identified a stick shaker fault and retracted the landing gear, however, now received indication the right main gear had not come up. The gear was selected down again, three greens were observed. The crew declared PAN PAN and returned to Yellowknife for a safe landing.

The Canadian TSB reported prior to departure 1/8 inch of ice had been observed on the exterior of the aircraft. The aircraft was de-iced, the AoA vanes were checked for freedom of movement, however, immediately after rotation for takeoff the stick shaker activated, subsequently the right hand landing gear showed an unsafe indication upon gear retraction. After landing back "the maintenance team conducted a landing gear retraction overspeed inspection, replaced the right-hand main landing gear uplock box, replaced the crew alerting computer and cleaned the AOA sensors. A satisfactory verification flight was completed and the aircraft was returned to service."
Aircraft Registration Data
Registration mark
C-GKLB
Country of Registration
Canada
Date of Registration
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Certification Basis
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TCDS Ident. No.
Manufacturer
Aerospatiale
Aircraft Model / Type
ATR 42-300
ICAO Aircraft Type
AT42
Year of Manufacture
Serial Number
Aircraft Address / Mode S Code (HEX)
Maximum Take off Mass (MTOM) [kg]
Engine Count
Engine Type
Main Owner
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Aircraft registration data reproduced and distributed with the permission of the Government of Canada.

Incident Facts

Date of incident
Dec 10, 2023

Classification
Incident

Flight number
5T-620

Destination
Kuglutuk, Canada

Aircraft Registration
C-GKLB

Aircraft Type
ATR ATR-42

ICAO Type Designator
AT42

This article is published under license from Avherald.com. © of text by Avherald.com.
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