DEN84LA127

NTSB accident investigation · Piper PA-28-140 · Monticello, UT · April 13, 1984

Accident · No injuriesLimited investigationFinal report
Date
April 13, 1984, 10:30 local (17:30 UTC)
Place
Monticello, UT
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N4FNPiper PA-28-140
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840413014849A
Case key
16362

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/waterTakeoff - initial climb
Ignition system,spark plug - dirty(foggy)Factor
Weather condition - tailwindFactor
Weather condition - high density altitudeFactor
Terrain condition - uphillFactor
Preflight planning/preparation - poorPilot in commandCause
Anxiety/apprehensionPilot in commandFactor
Wrong runway - selectedPilot in commandFactor

Analysis

The pilot departed uphill with a tailwind at near gross weight with a high density altitude. The flight was late gettingstarted & an excessive magneto drop was attributed to a fouled plug. The pilot also stated that he was under mental stress. The acft lifted off but slowly lost altitude & impacted a mile from the airport. Both wings were demolished.

Aircraft

Registration
N4FN
Reported as
Piper PA-28-140
Category
Airplane
Serial number
28-7525054
Airframe hours
4,930
Engine
Lycoming O-320-E3D, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Forrest Weldon
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · April 1, 1983 · 41 hours before
Departed
U43
Destination
Grand Canyon, AZ
Airport
U43 · San Juan, runway 16, 4,800 × 75 ft, dirt

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
38
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
124 total · 21 in this make and model · 85 as pilot in command · 20 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
10° at 10 knots, gusting 12
Visibility
50 statute miles
Lowest ceiling
None
Temperature
46 °F, dew point 10 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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