LAX02LA159

NTSB accident investigation · Cessna 170B · San Diego, CA · May 11, 2002

Accident · No injuriesLimited investigationFinal report
Date
May 11, 2002, 16:20 local (23:20 UTC)
Place
San Diego, CA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N3462CCessna 170B
Weather
Visual (VMC) · Day
Status
Completed · report March 2, 2004
Report
Approved by Office Director
Parties
Federal Aviation Administration
FAA report
20020511009889A
Case key
54700

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 failure of the dual student to maintain directional control of the airplane and the instructor's delayed the remedial action, which resulted in a ground loop. A factor in the accident was the gusting crosswind conditions.

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 control - on ground/waterLanding - roll
Weather condition - gustsFactor
Directional control - not maintainedDual studentCause
Weather condition - crosswindFactor
Remedial action - delayedPilot in command(cfi)Cause
Ground loop/swerve - encountered
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - ditch

Analysis

The airplane veered off of the runway, ground looped, and impacted a ditch. The flight instructor reported that the student was flying as they entered the traffic pattern with the intention of performing touch-and-go pattern operations. Upon touchdown, the airplane veered to the right. By the time the flight instructor took the controls, the airplane was headed off of the runway. He added power in an attempt to abort the landing; however, the airplane veered off of the runway. The instructor noted that he let the student go too far before he intervened. He reported that there were no mechanical malfunctions or failures. The winds at the time of the accident were from 300 degrees at 10 knots gusting to 15.

Factual narrative

On May 11, 2002, at 1620 Pacific daylight time, a Cessna 170B, N3462C, veered off runway 26R and ground looped after landing at the Brown Field Airport, San Diego, California. The airplane was operated by the flight instructor under the provisions of 14 CFR Part 91. The airplane sustained substantial damage. The airline transport licensed flight instructor, and a dual primary student were not injured. Visual meteorological conditions prevailed for the local area instructional flight that originated from Gillespie Field, El Cajon, California, at 1515. No flight plan had been filed. The winds at the time of the accident were from 300 degrees at 10 knots gusting to 15.

In a telephone interview with the National Transportation Safety Board investigator-in-charge (IIC), the flight instructor reported that they entered the traffic pattern with the intention of performing touch-and-go pattern operations. The student was flying the airplane. When the airplane touched down, it began to veer to the right. By the time the flight instructor took the controls, the airplane was heading off the runway. He added power in an attempt to abort the landing. However, the airplane ground looped, impacted a ditch, and came to rest about 500 feet north of runway 26R on airport property. The instructor reported that there were no mechanical malfunctions or failures. He noted that he let the student go too far before he intervened.

Aircraft

Registration
N3462C
Reported as
Cessna 170B
Category
Airplane
Serial number
26505
Airframe hours
2,448
Engine
Continental O-300-C, 145 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
William E. Gamble
Registered owner
Ulf and Joanne Brynjestad
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 7, 2001 · 48 hours before
Departed
KSEE · Gillespie Field, CA
Airport
KSDM · Brown Field, runway 26R, 7,999 × 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 · 2

As NTSB recorded them. NTSB leaves out names.

Role
Flight instructor
Age
59
Injuries
None
Certificates
Airline transport, Flight instructor, Commercial
Airplane ratings
Single-engine land, Multi-engine land, Single-engine sea, Multi-engine sea
Instrument ratings
Helicopter, Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Last flight review
February 11, 2002
Seat
Right
Flight hours
13,000 total · 200 in this make and model · 10,000 as pilot in command · 40 in the last 90 days · 20 in the last 30 days
Role
Student pilot
Age
37
Injuries
None
Certificate
Student
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
28 total · 21 in this make and model · 14 in the last 90 days · 8 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
300° at 10 knots, gusting 15
Visibility
10 statute miles
Lowest ceiling
None
Temperature
64 °F, dew point 52 °F
Altimeter
29.95 inHg
Observed at
KSDM

Docket · 2

The files NTSB released with the investigation on December 12, 2003, on NTSB’s docket system: statements, records, photos and specialists’ reports. 368 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.