LAX05LA089

NTSB accident investigation · Smith Aerostar 601 · Murrieta, CA · February 5, 2005

Accident · No injuriesLimited investigationFinal report
Date
February 5, 2005, 11:00 local (19:00 UTC)
Place
Murrieta, CA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N23LLSmith Aerostar 601
Weather
Visual (VMC) · Day
Status
Completed · report December 28, 2006
Report
Approved by Office Director
Parties
Federal Aviation Administration
Case key
60994

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

The pilot's misjudgment of distance/altitude on final approach, which resulted in an undershoot of the runway.

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.

UndershootLanding - flare/touchdown
Distance/altitude - misjudgedPilot in commandCause
Proper touchdown point - not attainedPilot in commandCause
On ground/water encounter with terrain/waterLanding - roll
Airport facilities,runway/landing area condition - exposed runway lip/edge
Main gear collapsedLanding - roll
Landing gear,main gear strut - overload

Analysis

The airplane touched down short of the runway pavement edge and collapsed the right landing gear. The pilot reported no problems with the approach. After touchdown, the right main landing gear was sheared off due to traversing over a 6-inch lip at the approach end of the runway. The airplane skidded off the right side of the runway into the grassy area of the airport. A construction crew was working on the approach end of the runway, but did not see the actual touchdown of the airplane. Impressions consistent with the airplane's landing gear were noted in the dirt just before the pavement edge that became skid marks in the asphalt runway surface and continued to the airplane's point of rest. According to the Airport/Facilities Directory the runway is 4,600 feet long; however, the airport had a planned runway extension and construction was underway that resulted in a runway length reduction along runway 18/36. A notice of the construction and the length reduction was recorded onto the AWOS system. The AWOS notice stated in part "Runway length 18/36 will be 4,100 [feet] until further notice." A 500-foot displaced threshold was clearly marked with orange work cones.

Factual narrative

On February 5, 2005, at 1100 Pacific standard time, a Smith Aerostar 601, N23LL, landed short of runway 36, hit a raised asphalt lip on the edge of the runway and collapsed the right landing gear at French Valley Airport (F70), Murrieta/Temecula, California. The runway was under construction at the time and the first 500 feet of runway 36 was closed. The private pilot/owner operated the airplane under the provisions of 14 CFR Part 91. The airplane sustained substantial damage. The pilot, the sole occupant, was not injured. Visual meteorological conditions prevailed for the local area flight that departed Chino Airport (CNO), Chino, California, about 1030. No flight plan had been filed.

The National Transporation Safety Board investigator-in-charge (IIC) interviewed the pilot. The pilot stated that there were no problems with the approach to runway 36, and said "everything was perfect." The winds were light and variable out of the north. At the approach end of the runway was a small 6-inch lip. The pilot stated that the right landing gear struck the lip after touchdown and the airplane skidded off to the right side of the runway into the grassy area of the airport. The pilot stated that there were no cones marking the area.

According to the airport supervisor for Riverside County airports, the automated weather observing system (AWOS) reported construction for planned runway extension for runway 36 that would result in a runway length reduction along runway 18/36. The AWOS notification stated:

"Runway length 18/36 will be 4,100 [feet] until further notice. The south end of taxiway alpha will be closed on weekdays; however, it will open on Friday's at 4:30pm and closed on Monday's at 7:30am through construction. It will also be open on holidays. Further information to follow as it becomes available."

The Airport/ Facility Directory, Southwest U. S., indicated runway 36 was 4,600 feet long and 75 feet wide. The runway surface was composed of asphalt.

Maintenance personnel, working on the west side of the approach end of runway 36, did not see the airplane touchdown, but heard it skidding off to the east of the runway. The maintenance crew had been working on delineators from the runway between the existing runway and the planned extension. The maintenance supervisor reported to the Safety Board IIC that the planned extension would lengthen the existing runway, and orange work cones marked a 500-foot displaced threshold to the existing runway. The supervisor found witness marks in the dirt area just prior to the threshold. He further observed three equidistant skid marks on the runway that continued onto the grassy portion of the runway where the airplane came to rest.

The Safety Board IIC mailed the pilot the Pilot/Operator Aircraft Accident/Incident Report (NTSB Form 6120.1/2) on two separate occasions by certified mail. Once on February 9, 2005, and the second time, after speaking with the pilot to confirm the mailing address, on April 25, 2006. The pilot did not return the accident report form.

Aircraft

Registration
N23LL
Reported as
Smith Aerostar 601
Category
Airplane
Serial number
61-0252-100
Engines
Lycoming TIO-540, 350 horsepower, reciprocatingLycoming TIO-540, 350 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
John F. Firestone
Airworthiness certificate
Standard, Normal
Departed
CNO · Chino, CA
Destination
F70
Airport
F70 · French Valley, runway 36, 4,100 × 75 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
83
Injuries
None
Certificate
Private
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 3
Flight hours
2,100 total

Weather

Conditions
Visual (VMC) · Day
Wind
350° at 3 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
59 °F, dew point 39 °F
Altimeter
29.94 inHg
Observed at
RAL, 27 nm away