Viking Air Limited Airworthiness Directives

205 ADs indexed for Viking Air Limited aircraft.

Models

DHC-7-100 55 ADs DHC-7-101 54 ADs DHC-7-102 54 ADs DHC-7-103 54 ADs DHC-6-100 52 ADs DHC-6-200 52 ADs DHC-6-300 52 ADs DHC-7-1 52 ADs DHC-6-1 51 ADs DHC-2 Mk.I 31 ADs DHC-2 Mk.II 27 ADs DHC-2 Mk.III 26 ADs DHC-3 25 ADs DHC-6-400 8 ADs DHC-7-100 6 ADs DHC-7-101 6 ADs DHC-7-102 6 ADs DHC-7-103 6 ADs DHC-8-102 6 ADs DHC-8-103 6 ADs DHC-8-301 6 ADs DHC-8-311 6 ADs DHC-7-1 5 ADs DHC-8-101 5 ADs DHC-8-106 5 ADs DHC-8-201 5 ADs DHC-8-202 5 ADs DHC-8-315 5 ADs CL-215-6B11 (CL-215T Variant) 5 ADs CL-215-1A10 4 ADs CL-215-6B11 (CL-415 Variant) 3 ADs DHC-4 3 ADs DHC-4A 3 ADs 727 Series 1 AD 727-100 Series 1 AD 727-100C Series 1 AD 727-200 Series 1 AD 727-200F Series 1 AD 727C Series 1 AD 747-100 Series 1 AD 747-100B Series 1 AD ATR42-200 1 AD ATR42-300 1 AD F.260 1 AD F.260B 1 AD F.260C 1 AD F.260D 1 AD F.260E 1 AD F.260F 1 AD S.205 - 18/F 1 AD S.205 - 18/R 1 AD S.205 - 20/F 1 AD S.205 - 20/R 1 AD AT-302 1 AD AT-400 1 AD BN-2 1 AD BN-2A 1 AD BN-2A-3 1 AD H.P. 137 Jetstream Mk. 1 1 AD Nord 262A Series 1 AD PA-60-600 (Aerostar 600) 1 AD PA-60-601 (Aerostar 601) 1 AD PA-60-601P (Aerostar 601P) 1 AD A318-111 1 AD A318-112 1 AD A318-121 1 AD A318-122 1 AD A319-111 1 AD A319-112 1 AD A319-113 1 AD A319-114 1 AD A319-115 1 AD AW139 1 AD A300 B2-1A 1 AD A300 B2-1C 1 AD A300 B2-203 1 AD A300 B2K-3C 1 AD A320-111 1 AD A320-211 1 AD A320-212 1 AD A320-214 1 AD A320-231 1 AD A320-232 1 AD A340-211 1 AD A340-212 1 AD A340-213 1 AD A340-311 1 AD A340-312 1 AD A340-313 1 AD A340-541 1 AD A340-642 1 AD ATR42-200 1 AD Traffic Alert and Collision Avoidance System II processors 1 AD A300 B2-1A 1 AD A300 B2-1C 1 AD A300 B2-203 1 AD A300 B2K-3C 1 AD A300 B4-103 1 AD A300 B4-203 1 AD A300 B4-2C 1 AD A300 B4-601 1 AD A300 B4-603 1 AD A300 B4-605R 1 AD A300 B4-601 1 AD A300 B4-603 1 AD A300 B4-605R 1 AD A300 B4-620 1 AD A300 B4-622 1 AD A300 B4-622R 1 AD A300 C4-605R Variant F 1 AD A300 F4-605R 1 AD A300 F4-622R 1 AD A310-203 1 AD A300 B2-1A 1 AD A300 B2-1C 1 AD A300 B2-203 1 AD A300 B2K-3C 1 AD A300 B4-103 1 AD A300 B4-203 1 AD A300 B4-2C 1 AD A300 B4-601 1 AD A300 B4-603 1 AD A300 B4-605R 1 AD 172 1 AD 180 1 AD 180E 1 AD 185 1 AD 206 1 AD 208 1 AD 210L 1 AD 310 1 AD BN-2A 1 AD H-250 1 AD ATP 1 AD CL-600-2A12 (CL-601) 1 AD DHC-8-101 1 AD DHC-8-102 1 AD DHC-8-103 1 AD DHC-8-106 1 AD DHC-8-201 1 AD DHC-8-202 1 AD DHC-8-301 1 AD DHC-8-311 1 AD 707-100 Long Body 1 AD 707-100B Long Body 1 AD 707-100B Short Body 1 AD 707-200 1 AD 707-300 Series 1 AD 707-300B Series 1 AD 707-300C Series 1 AD 707-400 Series 1 AD HS 748 Series 2A 1 AD HS 748 Series 2B 1 AD 172 1 AD 172A 1 AD 172B 1 AD 172C 1 AD 172D 1 AD 172E 1 AD 172F (USAF T-41A) 1 AD 172G 1 AD 172H (USAF T-41A) 1 AD 407 1 AD 340 1 AD 440 1 AD DHC-8-101 1 AD DHC-8-102 1 AD DHC-8-103 1 AD DHC-8-106 1 AD DHC-8-301 1 AD DHC-8-311 1 AD DHC-8-315 1 AD Military C-131B 1 AD ATR42-200 1 AD ATR42-300 1 AD ATR42-320 1 AD ATR42-500 1 AD DHC-8-101 1 AD DHC-8-102 1 AD DHC-8-103 1 AD DHC-8-106 1 AD DHC-8-201 1 AD DHC-8-202 1 AD DHC-8-400 1 AD DHC-8-401 1 AD DHC-8-402 1 AD 328-100 1 AD F.260 1 AD F.260B 1 AD F.260C 1 AD F.260D 1 AD F.260E 1 AD GTX 33 1 AD GTX 330 1 AD GTX 330D 1 AD GTX 33D 1 AD 60 1 AD 95-C55 1 AD 95-C55A 1 AD A36 1 AD A60 1 AD B60 1 AD D55 1 AD D55A 1 AD E55 1 AD E55A 1 AD 18 1 AD 23 1 AD 35 1 AD 36 1 AD 50 1 AD 58 1 AD 60 1 AD 65 1 AD 70 1 AD 76 1 AD 737-100 Series 1 AD 737-200 Series 1 AD 737-200C Series 1 AD 737-300 Series 1 AD 737-400 Series 1 AD 737-500 Series 1 AD 737-600 Series 1 AD 737-700 Series 1 AD 737-700C Series 1 AD 737-800 Series 1 AD 707-100 Long Body 1 AD 707-100B Long Body 1 AD 707-100B Short Body 1 AD 707-200 1 AD 707-300 Series 1 AD 707-300B Series 1 AD 707-300C Series 1 AD 707-400 Series 1 AD 727-100 Series 1 AD 727-100C Series 1 AD 727-200 Series 1 AD 727-200F Series 1 AD DC-10-10 1 AD DC-10-10F 1 AD DC-10-15 1 AD DC-10-30 1 AD DC-10-30F (KC-10A, KDC-10) 1 AD DC-10-40 1 AD DC-10-40F 1 AD DC-8-62 1 AD DC-8-62F 1 AD DC-8-63 1 AD DC-8-63F 1 AD DC-9-15 1 AD DC-9-15F 1 AD DC-9-51 1 AD DC-9-81 (MD-81) 1 AD DC-9-82 (MD-82) 1 AD DC-9-83 (MD-83) 1 AD DC-9-87 (MD-87) 1 AD DHC-7-1 1 AD DHC-7-100 1 AD DHC-7-101 1 AD DHC-7-102 1 AD DHC-7-103 1 AD F-27 1 AD F-27A 1 AD F-27B 1 AD F-27F 1 AD F-27G 1 AD F-27J 1 AD F-27M 1 AD G-159 1 AD L-1011-385-1 1 AD L-1011-385-1-14 1 AD L-1011-385-1-15 1 AD L-1011-385-3 1 AD YS-11A-200 1 AD YS-11A-300 1 AD YS-11A-500 1 AD YS-11A-600 1 AD AC32 1 AD AS332C 1 AD AS332C1 1 AD AS332L 1 AD AS332L1 1 AD AS332L2 1 AD CN-235 1 AD CN-235-100 1 AD CN-235-200 1 AD CN-235-300 1 AD

Recent ADs

2025-17-08 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: a missing stabilizer actuator lock ring, which can cause the stabilizer actuator clamp nut to separate from the stabilizer barrel by unthreading, resulting in a reduction or loss of pitch control d...

Effective: Sep 29, 2025 Category: aircraft Compliance: Within 330 hours time-in-service after the effective date of this AD

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls
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2025-07-01

final rule

Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers

Unsafe Condition: Occurrences of AC32 Digital ADCs that stopped functioning due to the power module failing at temperatures below -20 degrees Celsius.

Effective: May 15, 2025 Category: aircraft Compliance: Within 12 months after the effective date of this AD

Why matched: Airworthiness Directives; Thommen Aircraft Equipment AG Digital Air Data Computers

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2023-22-17

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: Cracking of the engine mount pickup fittings can result in failure of the fitting, leading to a loose connection of the engine mount ring and consequent reduced control of the airplane.

Effective: Jan 19, 2024 Category: engine Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Technical illustration of an aircraft turbine engine assembly
Problem area Engine
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2023-19-06

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes

Unsafe Condition: Corrosion-related degradation of the aileron mass balance weight arms, which could lead to structural failure and consequent loss of control of the airplane.

Effective: Nov 6, 2023 Category: aircraft Compliance: Within 12 months of the effective date (November 6, 2023).

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls
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2023-18-03

final rule

Airworthiness Directives; Viking Air Limited (Type Certificated Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: Corrosion, wear, and fatigue-related degradation in aging aircraft, which could lead to structural failure with consequent loss of control of the airplane.

Effective: Oct 24, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificated Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

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2023-07-10 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc.; Canadair Limited) Airplanes

Unsafe Condition: uncommanded opening of the water doors, which, at high speed during the take-off run, water pick-up run, or landing run, could cause serious damage to the airplane.

Effective: Jun 20, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc.; Canadair Limited) Airplanes

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2023-10-02

final rule

Airworthiness Directives; Transport and Commuter Category Airplanes

Unsafe Condition: Radio altimeter anomalies that are undetected by the automation or pilot, particularly close to the ground (e.g., landing flare), could lead to loss of continued safe flight and landing. Additional...

Effective: May 26, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Transport and Commuter Category Airplanes

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2023-06-11

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes

Unsafe Condition: Damage in the main wing spar caused by drill starts, corrosion, cracks, and improperly installed fasteners.

Effective: Apr 28, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes

Technical illustration of a riveted aircraft structural panel and frame
Problem area Airframe structure
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2022-21-51 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: cracks in the left-hand elevator auxiliary spar, if not addressed, could result in elevator flutter leading to elevator failure, with consequent loss of control of the airplane.

Effective: Dec 1, 2022 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls
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2022-23-08

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.)

Unsafe Condition: A missing or incorrectly seated lock ring in the stabilizer actuator could result in a reduction or loss of pitch control during flight with consequent loss of control of the airplane.

Effective: Nov 2, 2022 Category: aircraft Compliance: Within 10 hours time-in-service

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.)

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls
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2022-17-05 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes

Unsafe Condition: Corrosion of the DHC-2 front fuselage struts and deterioration of the airframe lugs to which the struts are attached, which could result in the loss of airframe structural integrity.

Effective: Sep 30, 2022 Category: aircraft Compliance: Within 15 years since initial installation of the struts.

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes

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2022-11-12

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: binding of the rod end bearing connecting the lower fuel control unit (FCU) push rod assembly to the FCU power lever, which can occur after a period of non-utilization of the aeroplane, and may lea...

Effective: Jul 13, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc. and de Havilland, Inc.) Airplanes

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2022-11-09

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: Cracks and corrosion damage to the aileron internal structure, which could lead to progressive looseness of the aileron at the hinge support rib push-pull rod attachment, flutter condition, and deg...

Effective: Jul 6, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls
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2022-10-07 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: Damage to the flight control system of DHC-6 aeroplanes was found during inspection. The damage has been attributed to ground gusts. The damage included cracks in the base of the lower control colu...

Effective: Jun 23, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc. and de Havilland, Inc.) Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls
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2022-10-03

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: loose quadrants on the rudder pedal torque tube and signs of loose rivets or rivet joint wear due to inadequate manufacturing tolerances

Effective: Jun 23, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc. and de Havilland, Inc.) Airplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls
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2022-07-14 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: corrosion of the fuel system components located in the fuel gallery due to inadequate corrosion protection

Effective: May 13, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system
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2022-05-11

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc.) Airplanes

Unsafe Condition: fatigue damage of the wing struts, which could lead to failure of the wing strut and result in an in-flight breakup of the wing.

Effective: Apr 13, 2022 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc.) Airplanes

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2022-03-15

final rule

Airworthiness Directives; Various Airplanes

Unsafe Condition: The displayed fuel quantity can have an error as much as four gallons/fuel tank with the display indicating four gallons with an empty tank. In the context of this event, the end level effect is th...

Effective: Mar 21, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Various Airplanes

Technical illustration of an aircraft fuel pump, filter, valve, and lines
Problem area Fuel system
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2022-03-04 Recurring

final rule

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: unsafe condition on these products.

Effective: Mar 17, 2022 Category: engine Compliance: Before further flight

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier, Inc. and de Havilland, Inc.) Airplanes

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2021-24-18

final rule

Airworthiness Directives; Viking Aircraft Limited Airplanes

Unsafe Condition: fatigue damage of the wing strut lug fitting components and the fuselage to wing strut attachment (tie-bar)

Effective: Jan 24, 2022 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Viking Aircraft Limited Airplanes

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