LAX02LA035

NTSB accident investigation · Classic Waco YMF · Banning, CA · December 1, 2001

Accident · No injuriesLimited investigationFinal report
Date
December 1, 2001, 11:30 local (19:30 UTC)
Place
Banning, CA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N31BNClassic Waco YMF
Weather
Visual (VMC) · Day
Status
Completed · report June 2, 2004
Report
Approved by Office Director
Parties
Federal Aviation Administration
FAA report
20011201033729A
Case key
53853

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

a loss of engine power due to a crack in the carburetor float and leaking portions of the carburetor that resulted in an overly rich mixture.

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) - mech failure/malfApproach - vfr pattern - final approach
Fuel system,carburetor float - crackedCause
Fuel system,carburetor - leakCause
Forced landingEmergency descent/landing
In flight collision with terrain/waterEmergency landing
Terrain condition - rock(s)/boulder(s)

Analysis

The airplane lost power on final approach for landing and impacted rocky terrain about 1/4 mile from the approach end of the runway. The pilot stated that he was flying to local airports. The plan was to do a touch-and-go landing and then depart. He noted no discrepancies until the second leg of the flight when he was on final. He had setup for landing, which included reducing power and adding carburetor heat. On final he smelled fuel. He noted that an existing headwind had put the airplane farther back on the approach than he had expected, and he realized that he was not going to make the runway. The pilot advanced the throttle, but did not receive a corresponding power output from the engine. The airplane came to rest in rocky terrain. Later examination of the carburetor float revealed that it was cracked and full of fuel. Furthermore, fuel was leaking around the mixture control, accelerator pump, and in the idle tube area of the carburetor.

Factual narrative

On December 1, 2001, about 1130 Pacific standard time, a Classic Aircraft Corp. Waco YMF, N31BN, lost power on final approach for landing and impacted terrain about 1/4 mile from the approach end of runway 26 at the Banning Municipal Airport (BNG), Banning, California. The airplane, owned and operated by the pilot under the provisions of 14 CFR Part 91, sustained substantial damage. The private pilot, the sole occupant, was not injured. Visual meteorological conditions prevailed for the personal local area flight, and no flight plan had been filed. The flight originated from the Redlands Municipal Airport (L12), Redlands, California, about 1100. A stop was made at the San Bernardino International Airport (SBD), San Bernardino, California. The flight was scheduled to terminate at the Redlands airport.

The Safety Board investigator interviewed the pilot. The pilot stated that he was flying to local airports. The plan was to do a touch-and-go landing and then depart back to Redlands. He noted no discrepancies with the flight from L12 to SBD or from SBD to BNG until he was on final. He had setup for landing, which included reducing power and adding carburetor heat. He stated that on final he smelled fuel. He noted that an existing headwind had put the airplane farther back on the approach than he had expected, and he realized that he was not going to make the runway. The pilot advanced the throttle, but did not receive a corresponding power output from the engine. The airplane collided with rocks and a berm and came to rest in rocky terrain.

Later examination of the carburetor float by Aircraft Fuel Injection Services, Dallas, Texas, revealed that the float cracked and was full of fuel. Furthermore, fuel was leaking around the mixture control, accelerator pump, and in the idle tube area.

Aircraft

Registration
N31BN
Reported as
Classic Waco YMF
Category
Airplane
Serial number
F50-067
Airframe hours
200
Engine
Jacobs R755-B2, 275 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Randall W. Halliday
Airworthiness certificate
Standard, Aerobatic
Last inspection
Annual · May 26, 2001 · 35 hours before
Departed
SBD · San Bernardino, CA
Destination
L12 · Redlands, CA
Airport
BNG · Banning Municipal, runway 26, 5,260 × 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
54
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Last flight review
October 14, 2001
Seat
Rear
Flight hours
1,388 total · 223 in this make and model · 1,266 as pilot in command · 25 in the last 90 days · 6 in the last 30 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
80° at 4 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
64 °F, dew point 39 °F
Altimeter
30.11 inHg
Observed at
PSP, 18 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.