WPR10CA061

NTSB accident investigation · Boeing A75N1 · Deer Valley, AZ · November 21, 2009

Accident · Minor injuriesData collectionFinal report
Date
November 21, 2009, 12:30 local (19:30 UTC)
Place
Deer Valley, AZ
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N56099Boeing A75N1
Defining event
Landing-landing roll: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report March 23, 2010
Report
Approved by Office Director
NTSB office
Western Pacific Region
Parties
Federal Aviation Administration
FAA report
20091121022509A
Case key
75080

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 failure to maintain directional control.

Findings · 3

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.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedAll aircraft: 3,958 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotAll aircraft: 9,295 casesProbable cause

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 stated that the airplane touched down on the runway smoothly. As the pilot was slowing the airplane the left wing remained high, and the airplane was veering right. He applied left aileron and a burst of power, but the airplane continued to veer right. The airplane went off the right side of the runway and nosed over. The pilot stated that he believes the left landing gear oleo did not compress during the landing touchdown.

Factual narrative

The pilot stated that the airplane touched down on the runway smoothly. As he was slowing the airplane the left wing remained high, and the airplane was veering right. He applied left aileron and a burst of power, but the airplane continued to veer right. The airplane went off the right side of the runway and nosed over. The pilot stated that he believes the left landing gear oleo did not compress during the landing touchdown.

Aircraft

Registration
N56099
Reported as
Boeing A75N1
Category
Airplane
Serial number
75-873
Airframe hours
7,257
Engine
Cont Motor W670-6N, 220 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Pollack Jack
Registered owner
Pollack Jack
Airworthiness certificate
Standard, Aerobatic; Standard, Normal
Last inspection
Annual · January 28, 2008
Departed
KDVT · Deer Valley, AZ
Destination
KDVT · Deer Valley, AZ
Airport
KDVT · Deer Valley, runway 07L, 8,200 × 100 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
59
Injuries
Minor
Certificates
Commercial, Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Without waivers/limitations
Last flight review
December 31, 2008
Seat
Rear
Flight hours
2,400 total · 450 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
41 statute miles
Lowest ceiling
None
Temperature
72 °F, dew point 19 °F
Altimeter
29.87 inHg
Observed at
KDVT

Docket · 2

The files NTSB released with the investigation on December 22, 2009, on NTSB’s docket system: statements, records, photos and specialists’ reports. 203 KB 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.