Sunday, October 18, 2020

Birdstrike: De Havilland Canada Dash 8-400, N402QX; accident occurred October 29, 2019 near Boise Airport (KBOI), Ada County, Idaho

Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf

Investigation Docket - National Transportation Safety Board:

https://registry.faa.gov/N402QX

Location: Boise, ID
Accident Number: DCA20CA010
Date & Time: 10/29/2019, 1433 PDT
Registration: N402QX
Aircraft: De Havilland DHC8
Aircraft Damage: Substantial
Defining Event: Birdstrike
Injuries: 2 None
Flight Conducted Under: Part 121: Air Carrier - Scheduled

Analysis

On October 29, 2019 at 1433 mountain daylight time, Horizon Air as flight 2337, a Bombardier De Havilland DHC8, N402QX, struck a bird during climb out from Boise Airport (KBOI), Boise, Idaho. After the collision, the flight crew saw visual evidence of the bird remains on the left wing, determined there were no indications of control problems, and decided to continue to Seattle/Tacoma International Airport (KSEA), Seattle, Washington, where the flight landed with no further incident. Postflight inspection of the airplane revealed that the the bird impact had partially severed the left wing leading edge composite structure and cracked the front spar web. The flight was operating was operating under 14 CFR Part 121 and there were no injuries to the 80 passengers and crew onboard.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
a bird strike during climb out.

Findings

Environmental issues
Animal(s)/bird(s) - Effect on equipment (Cause)

Factual Information

History of Flight

Initial climb
Birdstrike (Defining event) 

Pilot Information

Certificate: Airline Transport; Commercial
Age: 41
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Left
Other Aircraft Rating(s): Glider
Restraint Used: 
Instrument Rating(s): Airplane
Second Pilot Present: Yes
Instructor Rating(s): None
Toxicology Performed:
Medical Certification: Class 1 With Waivers/Limitations
Last FAA Medical Exam: 05/16/2019
Occupational Pilot: Yes
Last Flight Review or Equivalent: 10/12/2019
Flight Time:   9628 hours (Total, all aircraft), 994 hours (Total, this make and model), 4474 hours (Pilot In Command, all aircraft), 57 hours (Last 90 days, all aircraft), 14 hours (Last 30 days, all aircraft), 8 hours (Last 24 hours, all aircraft)

Co-Pilot Information

Certificate: Airline Transport; Commercial
Age: 28
Airplane Rating(s): Multi-engine Land; Single-engine Land
Seat Occupied: Right
Other Aircraft Rating(s):
Restraint Used:
Instrument Rating(s): Airplane
Second Pilot Present: Yes
Instructor Rating(s): None
Toxicology Performed:
Medical Certification: Class 1 Without Waivers/Limitations
Last FAA Medical Exam: 11/12/2018
Occupational Pilot: Yes
Last Flight Review or Equivalent: 01/25/2019
Flight Time:  1813 hours (Total, all aircraft), 575 hours (Total, this make and model), 441 hours (Pilot In Command, all aircraft), 134 hours (Last 90 days, all aircraft), 80 hours (Last 30 days, all aircraft), 5 hours (Last 24 hours, all aircraft) 

Aircraft and Owner/Operator Information

Aircraft Make: De Havilland
Registration: N402QX
Model/Series: DHC8 402
Aircraft Category: Airplane
Year of Manufacture: 2001
Amateur Built: No
Airworthiness Certificate: Normal; Transport
Serial Number: 4032
Landing Gear Type: Retractable - Tricycle
Seats: 82
Date/Type of Last Inspection: 06/12/2019,
Certified Max Gross Wt.: 65400 lbs
Time Since Last Inspection:
Engines: 2
Airframe Total Time: 43991.6 Hours at time of accident
Engine Manufacturer: Pratt & Whitney Canada
ELT: C126 installed, not activated
Engine Model/Series: PW150A
Registered Owner: Bcc Equipment Leasing Corp
Rated Power:
Operator: Horizon Air Industries Inc.
Operating Certificate(s) Held: Flag carrier (121); Supplemental 

Meteorological Information and Flight Plan

Conditions at Accident Site: Visual Conditions
Condition of Light: Day
Observation Facility, Elevation: KBOI
Distance from Accident Site:
Observation Time: 1953 MDT
Direction from Accident Site: 260°
Lowest Cloud Condition: Scattered / 4100 ft agl
Visibility:   
Lowest Ceiling:
Visibility (RVR):
Wind Speed/Gusts: 4 knots /
Turbulence Type Forecast/Actual:
Wind Direction:
Turbulence Severity Forecast/Actual:
Altimeter Setting: 30.34 inches Hg
Temperature/Dew Point:
Precipitation and Obscuration:
Departure Point: Boise, ID (KBOI)
Type of Flight Plan Filed: IFR
Destination: Seattle, WA (KSEA)
Type of Clearance: IFR
Departure Time: 1330 MDT
Type of Airspace: Class E

Airport Information

Airport: Boise Airport (KBOI)
Runway Surface Type: Asphalt
Airport Elevation: 2871 ft
Runway Surface Condition: Dry
Runway Used: N/A
IFR Approach: None
Runway Length/Width:
VFR Approach/Landing: None

Wreckage and Impact Information

Crew Injuries: 2 None
Aircraft Damage: Substantial
Passenger Injuries: N/A
Aircraft Fire: None
Ground Injuries: N/A
Aircraft Explosion: None
Total Injuries: 2 None
Latitude, Longitude: 43.500000, -116.300000 (est)

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