CEN19CA239

NTSB accident investigation · Cessna 172 · Oshkosh, WI · July 28, 2019

Accident · No injuriesData collectionFinal report
Date
July 28, 2019, 16:32 local (21:32 UTC)
Place
Oshkosh, WI
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N79575Cessna 172
Defining event
Enroute: Loss of engine power (total)
Weather
Visual (VMC) · Day
Status
Completed · report November 6, 2019
Report
Approved by Office Director
NTSB office
Central Region
Parties
FAA
FAA report
20190728014919A
Case key
99944

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

On this page

Probable cause

The pilot's improper fuel planning and decision to not divert to a closer airport when the planned flight profile changed, which resulted in a total loss of engine power due to fuel exhaustion.

Findings · 4

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Planning/preparation: fuel planningPersonnel issues › Task performance · PilotCessna 172K: 4 casesAll aircraft: 719 casesProbable cause
Fluids: fuelAircraft › Fluids/misc hardware · Fluid levelCessna 172K: 5 casesAll aircraft: 1,695 casesProbable cause
Performance/control parameters: altitudeAircraft › Aircraft oper/perf/capability · Attain/maintain not possibleCessna 172K: 7 casesAll aircraft: 1,310 cases

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot was conducting the return leg of a cross-country flight. He reported that the airplane was full of fuel before he departed on the first leg of the trip, the duration of which he did not provide. The pilot also reported that he was concerned with the weather at his destination and did not add fuel before departing on the accident flight to expedite his return. He had planned the flight at 7,000 ft mean sea level and felt there was enough fuel onboard at that altitude. After about 1 hour of flight, an air traffic controller directed the pilot to climb to 9,000 ft and rerouted the flight. The pilot stated he became concerned with the fuel level at that time due to the climb and change in wind, but he chose to continue to his destination. About 30 minutes later and 20 miles short of the intended destination, the engine lost all power due to fuel exhaustion, and the pilot subsequently conducted an emergency landing in a field. At no time during the flight did the pilot express his concerns about the lack of fuel onboard to the controller, request a diversion to a closer airport, or declare an emergency. The elevator sustained substantial damage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Factual narrative

The pilot was conducting the return leg of a cross country flight when the engine lost power and the pilot subsequently performed an emergency landing in a field. The airplane elevator was substantially damaged during the landing. The pilot reported the airplane was full of fuel prior to departing on the first leg of the trip, the duration of which was not provided by the pilot. The pilot also reported he was concerned with the weather at his destination and did not add fuel prior to departing on the accident flight to expedite his return. He had planned the flight at 7k ft mean sea level and felt he had enough fuel onboard at that altitude. After about 1 hr of flight, air traffic control (ATC) directed him to climb to 9k ft and rerouted the flight. The pilot stated he became concerned with his fuel at that time due to the climb and change in wind, but elected to continue to his destination. The engine quit due to fuel exhaustion about 30 minutes later and 20 miles short of the intended destination. At no time during the flight did the pilot express his concerns about the lack of fuel onboard to ATC, request a diversion to a closer airport, or declare an emergency.

Aircraft

Registration
N79575
Reported as
Cessna 172 (K)
Category
Airplane
Serial number
17258188
Built
1969
Engine
Lycoming O-320 SERIES, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Fox Valley Flyers Inc
Registered owner
Fox Valley Flyers Inc
Airworthiness certificate
Standard, Normal
Departed
IOW · Iowa City, IA
Destination
ATW · Appleton, WI
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
25
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, With waivers/limitations
Seat
Left
Restraint
Lap only
Flight hours
427 total · 116 in this make and model · 51 in the last 90 days · 19 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
250° at 13 knots, gusting 20
Visibility
10 statute miles
Temperature
84 °F, dew point 72 °F
Observed at
osh

Docket · 2

The files NTSB released with the investigation on August 29, 2019, on NTSB’s docket system: statements, records, photos and specialists’ reports. 2.0 MB in all.

FAA reports on this event · 1

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

Other investigations on N79575 · 1

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