MIA85IA120

NTSB incident investigation · Douglas DC-6B · Miami, FL · March 15, 1985

Incident · No injuriesIncident investigationFinal report
Date
March 15, 1985, 02:55 local (07:55 UTC)
Place
Miami, FL
Injuries
3 uninjured
Damage
Minor damage
Phase of flight
Takeoff
Aircraft
N55CADouglas DC-6B
Weather
Visual (VMC) · Night/dark
Status
Completed
Report
Approved by Office Director
FAA report
19850315069759I
Case key
31282

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

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.

Loss of engine power(total) - mech failure/malfTakeoff - roll/run
Engine assembly - failure,totalCause
Aborted takeoff - initiatedPilot in command
Engine assembly - undeterminedCause
Airframe/component/system failure/malfunctionTakeoff - roll/run
Propeller system/accessories - overloadFactor

Analysis

Crew stated that on takeoff roll the number four engine failed and an aborted takeoff was intiated. During the decelleration after the throttles were closed the number four engine seized and the number four propeller separated when the propeller shaft failed. Inspection of the propeller shaft revealed it sheared off eight inches from the tip,and exhibited no evidence of a prior crack. Inspection of the engine oil screens revealed the precents of metal contamination. The operator had no plans to disassemble the engine. But planned to exchange it for an overhauled engine. The expct cause of the engines internal failure was not determined.

Aircraft

Registration
N55CA
Reported as
Douglas DC-6B
Category
Airplane
Serial number
25328
Airframe hours
41,074
Engine
P&W R2800-CB16/17, 2,400 horsepower, reciprocating
Damage
Minor damage
Flight
Part 129
Operator
Apa International Air, S.A.
Registered owner
F. A. Conner
Airworthiness certificate
Standard, Transport
Last inspection
AAIP · February 27, 1985 · 31 hours before
Destination
SDO · Santo Domingo, OF
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
58
Certificate
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
21,800 total · 12,000 in this make and model

Weather

Conditions
Visual (VMC) · Night/dark
Wind
Calm
Visibility
7 statute miles
Lowest ceiling
None
Temperature
66 °F, dew point 61 °F
Altimeter
30.00 inHg
Observed at
MIA

FAA reports on this event · 1

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