DEN04CA099

NTSB accident investigation · Cessna 172N · Laramie, WY · July 5, 2004

Accident · No injuriesData collectionFinal report
Date
July 5, 2004, 17:10 local (23:10 UTC)
Place
Laramie, WY
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N737YJCessna 172N
Weather
Visual (VMC) · Day
Status
Completed · report September 29, 2004
Report
Approved by Office Director
Parties
FAA Flight Standards Field Office
FAA report
20040705012669A
Case key
59572

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

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Probable cause

fuel exhaustion due to the pilot's improper inflight decision not to stop and refuel. A contributing factor was the unsuitable terrain on which to make a forced landing.

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) - nonmechanicalCruise
In-flight planning/decision - improperPilot in commandCause
Fluid,fuel - exhaustionCause
Refueling - not performed
Forced landingDescent - emergency
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - none suitableFactor

Analysis

The airplane, equipped with standard fuel tanks (43.0 gallons total, 40.0 gallons useable), was fueled to capacity prior to departure. The pilot and his passenger took off and flew for an estimated 4 hours, 14 minutes, before the engine lost power short of their destination. The pilot made a forced landing in a field. Postaccident examination revealed both fuel tanks were empty. The pilot admitted he had "run out of gas." According to a fuel calculations report submitted by the operator, "[If the pilot] received exactly full [fuel], flown exactly [a] straight line, leaned precisely, and the engine performed to the book, he would have arrived at KLAR with 1.8 gallons, or 15 minutes, which is half of VFR minimums and a lot less than safe, especially for a 450 nm trip. I think that says it all."

Factual narrative

On July 5, 2004, approximately 1710 mountain daylight time, a Cessna 172N, N737YJ, registered to and operated by University Flying Club School, Inc., of Laramie, Wyoming, was substantially damaged when it collided with terrain during an off-airport forced landing 15 miles northeast of Laramie. The private pilot and his passenger received minor injuries. Visual meteorological conditions prevailed, and no flight plan had been filed for the personal flight being conducted under Title 14 CFR Part 91. The flight originated at Camdenton, Missouri, with stops at Clinton, Missouri, and Manhattan, Kansas. It departed Manhattan at 1346 central daylight time, and was en route to Laramie, Wyoming.

In a telephone interview with the pilot, and according to the accident report he submitted, he and his passenger departed Camdenton and flew to Clinton. After departing Clinton, they were forced to divert to Manhattan due to deteriorating weather. After weather conditions improved, they departed Manhattan approximately 1248 and flew GPS (global positioning system) direct to Laramie. As they flew over the northeast portion of the city, the engine lost power. The pilot made a forced landing in a field. Postaccident examination revealed both fuel tanks were empty. The pilot said (and wrote), "We ran out of gas."

The airplane was equipped with standard fuel tanks (43.0 gallons total, 40.0 gallons useable). At Manhattan, it was reportedly serviced to capacity with 35.6 gallons. According to fuel calculations submitted by a University Flying Club School flight instructor, "[If the pilot] received exactly full [fuel], flown exactly [a] straight line, leaned precisely, and the engine performed to the book, he would have arrived at KLAR with 1.8 gallons, or 15 minutes, which is half of VFR minimums and a lot less than safe, especially for a 450 nm trip. I think that says it all." The airplane had been aloft for an estimated 4 hours, 14 minutes.

Aircraft

Registration
N737YJ
Reported as
Cessna 172N
Category
Airplane
Serial number
17269775
Airframe hours
2,264
Engine
Lycoming O-320-H2AD, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
University Flying Club School, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · June 25, 2004 · 20 hours before
Departed
MHK · Manhattan, KS
Destination
LAR · Laramie, WY

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
27
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Last flight review
January 3, 2003
Seat
Left
Flight hours
164 total · 152 in this make and model · 121 as pilot in command · 27 in the last 90 days · 24 in the last 30 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
340° at 19 knots, gusting 26
Visibility
10 statute miles
Lowest ceiling
None
Temperature
72 °F, dew point 37 °F
Altimeter
30.18 inHg
Observed at
LAR

FAA reports on this event · 1

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