- Date
- November 24, 2013, 19:40 local (Nov 25, 2013, 00:40 UTC)
- Place
- Philadelphia, PA
- Injuries
- 40 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N808EXDe Havilland DHC8 - 102
- Defining event
- Enroute-descent: Birdstrike
- Weather
- Visual (VMC) · Night
- Status
- Completed · report August 23, 2019
- Report
- Approved by Office Director
- NTSB office
- Major Investigations Division
- FAA report
- 20131124024339A
- Case key
- 88637
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
an inadvertent encounter with several birds during approach that resulted in substantial damage to the airplane.
Findings · 3
NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.
Sequence of events
The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.
Analysis
On November 24, 2013, at approximately 2040 EST, a De Havilland DHC-8-102, N808EX, operated by Piedmont Airlines as flight 4314, encountered a flock of a birds during the descent into Philadelphia International Airport (KPHL), Philadelphia, Pennsylvania. The airplane was located about 16 miles north of KPHL, and at about 4000 feet mean sea level (msl), when multiple birds impacted the fuselage and wing of the airplane . The flight crew notified air traffic control, and did not declare an emergency. None of the 40 passengers and crew onboard were injured and the airplane was substantially damaged. The flight was operating under 14 Code of Federal Regulations Part 121 as a regularly scheduled passenger flight between Greater Binghamton Airport (KBGM), Binghamton, New York, and KPHL. The captain was the pilot flying, and stated that flight conditions were night VMC with no moon. The flight crew stated they were at 4,000 feet msl, at about 190 knots airspeed, and on the downwind leg for runway 26 when the bird strike occurred. The flight crew heard multiple thuds and saw some of the birds through the windshield. After the impacts, the flight crew checked instruments, disconnected autopilot, checked for changes in flight characteristics and did not note any changes. The first officer notified ATC of the bird strike and did not declare an emergency. The flight landed uneventfully at KPHL. Post flight maintenance inspection revealed substantial damage to the left front wing spar, left wing skin, and vertical stabilizer deice boot.
Factual narrative
On November 24, 2013, at approximately 2040 EST, a De Havilland DHC-8-102, N808EX, operated by Piedmont Airlines as flight 4314, encountered a flock of a birds during the descent into Philadelphia International Airport (KPHL), Philadelphia, Pennsylvania. The airplane was located about 16 miles north of KPHL, and at about 4000 feet mean sea level (msl), when multiple birds impacted the fuselage and wing of the airplane . The flight crew notified air traffic control, and did not declare an emergency. None of the 40 passengers and crew onboard were injured and the airplane was substantially damaged. The flight was operating under 14 Code of Federal Regulations Part 121 as a regularly scheduled passenger flight between Greater Binghamton Airport (KBGM), Binghamton, New York, and KPHL. The captain was the pilot flying, and stated that flight conditions were night VMC with no moon. The flight crew stated they were at 4,000 feet msl, at about 190 knots airspeed, and on the downwind leg for runway 26 when the bird strike occurred. The flight crew heard multiple thuds and saw some of the birds through the windshield. After the impacts, the flight crew checked instruments, disconnected autopilot, checked for changes in flight characteristics and did not note any changes. The first officer notified ATC of the bird strike and did not declare an emergency. The flight landed uneventfully at KPHL. Post flight maintenance inspection revealed substantial damage to the left front wing spar, left wing skin, and vertical stabilizer deice boot.
Aircraft
- Registration
- N808EX
- Reported as
- De Havilland DHC8 - 102 (102)
- Category
- Airplane
- Serial number
- 299
- Airframe hours
- 53,120
- Engines
- Pratt and Whitney PW120A, 2,000 horsepower, turbo propPratt and Whitney PW120A, 2,000 horsepower, turbo prop
- Damage
- Substantial damage
- Flight
- Part 121
- Operator
- Piedmont Airlines, doing business as US Airways Express
- Registered owner
- USAirways
- Airworthiness certificate
- Standard, Transport
- Last inspection
- Continuous airworthiness · November 18, 2013
- Departed
- KBGM · Binghamton, NY
- Destination
- KPHL · Philadelphia, PA
- Flight plan
- IFR
- Airport
- KPHL · Philadelphia International Air, runway 26, 5,000 × 150 ft, asphalt
- Equipment
- Stall warning system, Data recorder
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew · 2
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 33
- Injuries
- None
- Certificates
- Commercial, Flight instructor, Airline transport
- Airplane ratings
- Single-engine land, Multi-engine land
- Medical
- Class 1, With waivers/limitations
- Last flight review
- November 15, 2013
- Seat
- Left
- Restraint
- 5-point
- Flight hours
- 8,200 total · 6,810 in this make and model · 2,200 as pilot in command · 116 in the last 90 days · 26 in the last 30 days · 3 in the last 24 hours
- Role
- Co-pilot
- Age
- 28
- Injuries
- None
- Certificates
- Commercial, Airline transport
- Airplane ratings
- Single-engine land, Multi-engine land
- Medical
- Class 1, Without waivers/limitations
- Last flight review
- June 3, 2013
- Seat
- Right
- Restraint
- 5-point
- Flight hours
- 2,213 total · 428 in this make and model · 192 in the last 90 days · 82 in the last 30 days · 3 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Night
- Wind
- 290° at 7 knots
- Temperature
- 27 °F, dew point -2 °F
- Altimeter
- 30.44 inHg
- Observed at
- KPHL, 15 nm away
Docket · 3
The files NTSB released with the investigation on August 26, 2019, on NTSB’s docket system: statements, records, photos and specialists’ reports. 478 KB in all.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.