DEN01LA022

NTSB accident investigation · Cessna 210C · Boulder, CO · December 13, 2000

Accident · No injuriesLimited investigationFinal report
Date
December 13, 2000, 14:15 local (21:15 UTC)
Place
Boulder, CO
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N969RJCessna 210C
Weather
Visual (VMC) · Day
Status
Completed · report April 19, 2001
Report
Approved by Office Director
FAA report
20001213028809A
Case key
50765

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

Total loss of engine power due to fuel contamination (water), and failure of the pilot to have the airplane completely refueled. A factor was 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) - nonmechanicalTakeoff - initial climb
Fluid,fuel - contamination,waterCause
Refueling - not performedPilot in commandCause
Forced landingEmergency landing after takeoff
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - none suitableFactor
Terrain condition - rough/uneven

Analysis

The airplane had sat dormant for almost 8 years, and extensive checks and servicing were performed to prepare it for a ferry flight to a nearby airport where it was scheduled to undergo an annual inspection. FAA issued a ferry permit. The airplane was placed in a heated hangar the night before the flight. When the pilot preflighted the airplane the next morning, 'a little water' was found in the gascolator and 'a tiny amount' was found in the right wing sump. He chose not to have the fuel drained and the airplane serviced with fresh fuel. He later told a local newspaper that he had drained the fuel system and thought he had removed all the water, 'but apparently it was not enough.' He was unsuccessful in trying to start the engine. After it was preheated, the engine started, and he performed 'an extended time warm up and extended pretakeoff run-up.' Shortly after taking off, the engine lost 'complete power.' The pilot enriched the mixture and turned the auxiliary fuel pump first to LOW, then to HIGH. Power returned momentarily, then the engine lost power again. The pilot did not have a chance to switch fuel tanks, but concentrated instead on the forced landing. The airplane 'skimmed the tops of hills, went through a fence, nosed over, and tumbled 2 or 3 times.' Later examination of the engine disclosed the plunger in the fuel manifold was frozen in position, and there was ice in the chamber under the screen.

Factual narrative

On December 13, 2000, approximately 1415 mountain standard time, a Cessna 210C, N969RJ, was substantially damaged when it collided with terrain during a forced landing at Boulder, Colorado. The commercial pilot, the sole occupant aboard, was not injured. Visual meteorological conditions prevailed, and no flight plan had been filed for the ferry flight being conducted under Title 14 CFR Part 91. The flight had originated from the Boulder Municipal Airport immediately prior to the accident.

The airplane had sat dormant for almost 8 years, and extensive checks and servicing were performed to prepare it for the ferry flight to Centennial Airport where it was scheduled to undergo an annual inspection. FAA issued a ferry permit. According to the pilot's accident report, the airplane was parked in a heated hangar the night before the ferry flight. When he preflighted the airplane the next morning, "a little water" was found in the gascolator and only "a tiny amount" was found in the right wing sump. He chose not to have the fuel drained and the airplane serviced with fresh fuel. He later told a local newspaper that he had drained the fuel system and thought he had removed all the water, "but apparently it was not enough." The pilot was unsuccessful in trying to start the engine. After it was preheated, the engine started. He performed "an extended time warm up and extended pretakeoff run-up. All things were normal."

The pilot took off on runway 8L. As he was climbing through 350 to 400 feet agl, the engine lost "complete power." He enriched the mixture and turned the auxiliary fuel pump first to LOW, then to HIGH. Power returned momentarily, then the engine quit again. The pilot did not have a chance to switch fuel tanks, but concentrated instead on the forced landing. The airplane "skimmed the tops of hills, went through a fence, nosed over, and tumbled 2 or 3 times." The propeller separated from the engine, which was torn from the airframe, the vertical stabilizer was crushed, and both wings were bent.

On February 8, 2001, the airplane and engine were examined at Beegles Aircraft Services in Greeley, Colorado. A Teledyne Continental Motors representative removed the top of the fuel manifold, but was unable to dislodge the plunger. It was eventually forced out with a screwdriver. Ice had locked the plunger in position, and ice was noted in the chamber under the screen.

Aircraft

Registration
N969RJ
Reported as
Cessna 210C
Category
Airplane
Serial number
210-58164
Airframe hours
5,708
Engine
Continental IO-470-S, 260 horsepower, reciprocating
Damage
Substantial damage
Flight
Ferry · Part 91
Registered owner
James E. Muro
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · October 12, 1992 · 28 hours before
Departed
1V5 · CO
Destination
APA · Englewood, CO
Airport
1V5 · Boulder Municipal

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
46
Certificate
Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
1,285 total · 24 in this make and model · 1,190 as pilot in command · 16 in the last 90 days · 15 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
20,000 ft overcast
Temperature
27 °F, dew point 18 °F
Altimeter
29.00 inHg
Observed at
BJC, 12 nm away

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 N969RJ · 1

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