MKC83FA045

NTSB accident investigation · Piper PA-31-350 · Dubuque, IA · December 25, 1982

Accident · FatalField investigationFinal report
Date
December 24, 1982, 20:30 local (Dec 25, 1982, 02:30 UTC)
Place
Dubuque, IA
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Approach
Aircraft
N4091UPiper PA-31-350
Weather
Instrument (IMC) · Night/dark
Status
Completed · report December 24, 1983
Report
Approved by Office Director
FAA report
19821224065099A
Case key
70514

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 terrain/waterApproach - faf/outer marker to threshold (ifr)
Light condition - dark nightFactor
Weather condition - fogFactor
Weather condition - low ceilingFactor
Weather condition - below approach/landing minimumsFactor
Ifr procedure - improperPilot in commandCause
Minimum descent altitude - belowPilot in commandCause

Analysis

At 2015 the flt contacted ARTCC & requested Dubuque wx. They were advised that Dubuque was 500 ft indefinite ceiling, sky obscured, visibility 1/2 mi fog & they would be vectored for a back course rwy 13 apch. The flt then requested the front course apch to rwy 31 & the controller advised the flt that it would be vectored to the ILS front course approach to rwy 31. Approximately 40 secs later the flt advised the controller that it would take the back course apch to rwy 13.the landing minima for a straight-in ILS rwy 31 is 1/2 mile visibility & for a straight-in loc/dme back course apch to rwy 13 3/4 mile visibility. The acft's wreckage was found in a valley about 3/4 mile short of rwy 13 & approximately 100 ft below the rwy elevation.

Aircraft

Registration
N4091U
Reported as
Piper PA-31-350
Category
Airplane
Serial number
318152159
Airframe hours
2,548
Engine
Lycoming TIO-540-J2BD, 350 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Part 91
Operator
American Central Airlines
Registered owner
American Central Airlines
Departed
C · Des Moines, IA
Destination
C · Dubuque, IA
Flight plan
IFR
Airport
DBQ, runway 13, 6,498 × 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
23
Certificate
Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Flight hours
1,230 total

Weather

Conditions
Instrument (IMC) · Night/dark
Wind
120° at 8 knots
Temperature
126 °F
Altimeter
29.00 inHg

FAA reports on this event · 1

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