DEN86FA120

NTSB accident investigation · Convair 580 · Denver, CO · April 25, 1986

Accident · Serious injuriesField investigationFinal report
Date
April 25, 1986, 10:00 local (17:00 UTC)
Place
Denver, CO
Injuries
1 serious, 30 uninjured
Damage
No damage
Phase of flight
Enroute
Aircraft
N73104Convair 580
Weather
Visual (VMC) · Day
Status
Completed · report March 10, 1988
Report
Approved by Office Director
Case key
16817

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 encounter with weatherDescent
Weather condition - turbulence,clear airCause
Remedial action - not possiblePilot in command
Misc eqpt/furnishings,seat belt - not engaged
Seat belt - not usedFlight attendantCause

Analysis

N73104 was operating as aspen airway flt 416, scheduled pax service from aspen to Denver. The flt proceeded uneventfully until light turb was encounterd near Denver. The captain had authorized the flt attendant to perform beverage svc. After completing the svc, the flt attendant was in the aft galley when a moderate bump was encountered at 16,000 ft. the flt attendant received serious back injuries that left her incapacitated the remainder of the flt.

Aircraft

Registration
N73104
Reported as
Convair 580
Category
Airplane
Serial number
4
Engine
Allison 501-D13H, 3,750 horsepower, turbo prop
Damage
No damage
Flight
Part 121
Operator
Aspen Airway, Inc
Registered owner
Aspen Airways, Inc
Airworthiness certificate
Standard, Transport
Departed
ASE · Aspen, CO
Destination
DEN · Denver, CO
Flight plan
IFR

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
39
Certificates
Commercial, Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
10,450 total

Weather

Conditions
Visual (VMC) · Day
Wind
140° at 8 knots
Visibility
65 statute miles
Lowest ceiling
None
Temperature
63 °F, dew point 19 °F
Altimeter
29.00 inHg
Observed at
DEN, 20 nm away

Other investigations on N73104 · 1

Matched to the same aircraft by N-number and date.