North Cariboo DH8C at Smithers on Nov 6th 2022, control problems on approach

Last Update: November 28, 2022 / 19:30:35 GMT/Zulu time

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Incident Facts

Date of incident
Nov 6, 2022

Classification
Incident

Flight number
NCB-2021

Destination
Smithers, Canada

Aircraft Registration
C-GLWN

ICAO Type Designator
DH8C

A North Cariboo Flying Service de Havilland Dash 8-300, registration C-GLWN performing flight NCB-2021 from Vancouver,BC to Smithers,BC (Canada) with 15 passengers and 3 crew, was on approach to Smithers about to turn final when the crew disconnected the autopilot to turn left and align with the runway. While the aircraft was slowed and configured for landing the crew felt a significant pitch control issue, the trim wheel was difficult to move. While extending the flaps to 15 degrees both pilots were needed to maintain the pitch angle. The crew elected to perform a missed approach despite the significantly degraded pitch control and performed the related checklists. Pitch control improved sufficiently to permit another approach. The aircraft subsequently landed without further incident and taxied to the apron. After parking the aircraft a significant force was needed to move the control column forward to engage the control lock.

The Canadian TSB reported about 10 minutes after shutdown the controls could be freely moved and wrote: "Company maintenance examined the aircraft and discovered pieces of melting ice in the area of the elevator actuating mechanism. The aircraft had been parked outside over-night in CYVR in light rain. At CYYD, the temperature was -9°C, with a wind chill factor of -17°C. After maintenance inspected the airplane, it was returned to service."
Aircraft Registration Data
Registration mark
C-GLWN
Country of Registration
Canada
Date of Registration
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Certification Basis
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TCDS Ident. No.
Manufacturer
Dehavilland
Aircraft Model / Type
DHC-8-311
ICAO Aircraft Type
DH8C
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
Nov 6, 2022

Classification
Incident

Flight number
NCB-2021

Destination
Smithers, Canada

Aircraft Registration
C-GLWN

ICAO Type Designator
DH8C

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