# NTSB DCA20CA010: De Havilland DHC8, N402QX, Boise, ID, October 29, 2019

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Data collection · Final report
- Date: October 29, 2019, 14:33 local (21:33 UTC)
- Place: Boise, ID
- Coordinates: 43.5, -116.300003 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.5000&lon=-116.3000&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Defining event: [Initial climb: Birdstrike](https://openairdocs.org/ntsb-events/901)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 22, 2020
- Report: Approved by Office Director
- NTSB office: Major Investigations Division
- NTSB case key (mKey): 100507
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DCA20CA010
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/100507/pdf
- NTSB docket: https://data.ntsb.gov/Docket?ProjectID=100507
- Page: https://openairdocs.org/ntsb/DCA20CA010

## Probable cause

a bird strike during climb out.

## Findings

NTSB's coded findings; those marked are part of the probable cause.

- [Object/animal/substance: animal(s)/bird(s)](https://openairdocs.org/ntsb-findings/03022045): Environmental issues › Physical environment · Effect on equipment (probable cause); cases with it: [Bombardier DHC-8-402, 2 cases](https://openairdocs.org/ntsb-findings/03022045/cases.md?model=1390042), [All aircraft, 358 cases](https://openairdocs.org/ntsb-findings/03022045/cases.md)

## Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event best describes what happened.

- [Initial climb: Birdstrike](https://openairdocs.org/ntsb-events/901) (defining event); cases with it: [Bombardier DHC-8-402, 2 cases](https://openairdocs.org/ntsb-events/901/sequence.md?model=1390042), [All aircraft, 253 cases](https://openairdocs.org/ntsb-events/901/sequence.md)

## 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.

## Factual narrative

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.

## Aircraft

- Registration: [N402QX](https://openairdocs.org/deregistered/N402QX-2023-08-22), registration cancelled 2023-08-22, S/N 4032, built 2001 (OpenAirDocs)
- Reported make and model: De Havilland DHC8 (402)
- Registry model: [Bombardier DHC-8-402](https://openairdocs.org/model/bombardier-dhc-8-402) (registry code 1390042) (OpenAirDocs)
- Registry engine: [Pratt & Whitney Canada PW150A](https://openairdocs.org/engine/pratt-whitney-canada-pw150a) (registry code 52167, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Serial number: 4032
- Year built: 2001
- Airframe hours: 43991.63
- Engines: Pratt & Whitney Canada PW150A; Pratt & Whitney Canada PW150A
- Damage: Substantial damage
- Flight: Part 121
- Operator: Horizon Air Indistries Inc.
- Registered owner: Bcc Equipment Leasing Corp
- Airworthiness certificate: Standard, Transport; Standard, Normal
- Last inspection: June 12, 2019
- Departed: KBOI, Boise, ID
- Destination: KSEA, Seattle, WA
- Flight plan: IFR
- Airport: KBOI, Boise Airport
- Equipment: ADS-B, Angle of attack indicator, Data recorder, Electronic flight bag or handheld device, Electronic multifunction display, Electronic primary flight display, Heads up display, Onboard weather, Satellite tracking device, Stall warning system

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 41; injuries: none; commercial, airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, with waivers/limitations; last flight review October 12, 2019; seat: left; flight hours: 9,628 total, 994 in this make and model, 4,474 as pilot in command, 57 in the last 90 days, 14 in the last 30 days, 8 in the last 24 hours
- Co-pilot; age 28; injuries: none; airline transport, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, without waivers/limitations; last flight review January 25, 2019; seat: right; flight hours: 1,813 total, 575 in this make and model, 441 as pilot in command, 134 in the last 90 days, 80 in the last 30 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 4 knots
- Altimeter: 30.34 inHg
- Observed at: KBOI

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 20191029020499A](https://openairdocs.org/incident/20191029020499A), Oct 29, 2019: Bombardier Inc DHC-8-402, Boise, ID, Substantial damage. Bird strike climbing out of kboi. No abnormal indications. No signs of significant damage. Landed in seattle, maintenance discovered fuel leaking from bird…

## Docket (1 files)

The files NTSB released with the investigation on December 5, 2019, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=100507. 2.1 MB in all.

- Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 2.1 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40478564&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Master.PDF

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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