DEN84FA021

NTSB accident investigation · Convair 580 · Sioux Falls, SD · November 7, 1983

Accident · Serious injuriesField investigationFinal report
Date
November 6, 1983, 19:39 local (Nov 7, 1983, 01:39 UTC)
Place
Sioux Falls, SD
Injuries
1 serious, 1 minor, 33 uninjured
Damage
Minor damage
Phase of flight
Approach
Aircraft
N7517UConvair 580
Weather
Visual (VMC) · Night/dark
Status
Completed
Report
Approved by Office Director
FAA report
19831106069349A
Case key
16181

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight collision with objectApproach - vfr pattern - final approach
Object - bird(s)Cause
Light condition - dark nightFactor

Analysis

The acft collided with a bird during the landing approach at night. The captain who was flying the acft was struck in the face by the bird and flying glass. The co-plt completed the landing due to incapacitation of the capt. investigationrevealed the windshield had been penetrated by a two pound bird. Certification requirements specify that the windshield withstand, without penetration, the impact of a four pound bird at cruise speed. The acft was moving at about 190 KTS at the time of the impact. The landing was completed by the co-plt without further incident.

Aircraft

Registration
N7517U
Reported as
Convair 580
Category
Airplane
Serial number
13
Airframe hours
43,266
Engine
Allison 50-1-D13, 4,000 horsepower, turbo prop
Damage
Minor damage
Flight
Part 121
Operator
Republic Airlines, doing business as Republic Airlines
Registered owner
Republic Airlines, Inc.
Airworthiness certificate
Standard, Transport
Departed
SUX · Sioux City, IA
Flight plan
IFR
Airport
FSD · Sioux Falls, runway 33, 6,658 × 150 ft, asphalt

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

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
32
Certificate
Airline transport
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
7,175 total · 162 in this make and model

Weather

Conditions
Visual (VMC) · Night/dark
Wind
Calm
Visibility
15 statute miles
Lowest ceiling
25,000 ft broken
Temperature
46 °F, dew point 39 °F
Altimeter
29.00 inHg
Observed at
FSD

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.