- Date
- August 12, 1994, 11:30 local (18:30 UTC)
- Place
- El Cajon, CA
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- NC731YPerth Amboy Bird BK
- Weather
- Visual (VMC) · Day
- Status
- Completed · report January 12, 1995
- Report
- Approved by Office Director
- Case key
- 28825
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The pilot's inadequate compensation for the wind conditions and his failure to maintain directional control of the aircraft. The unfavorable wind was a factor.
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.
Analysis
The pilot reported that he performed a normal landing on runway 27 right. As the airplane slowed to about 15 mph, a 'swirling gust of wind' lifted the tail and turned the airplane to the left. The pilot noted that at this slow speed the rudder and elevator were not effective and his efforts to counteract the left turn were not effective. The aircraft left the pavement and ground looped when the left main wheel encountered soft soil. The right wing contacted the ground and was damaged during the uncontrolled swerve.
Factual narrative
On August 12, 1994, at 1130 Pacific daylight time, an antique Perth Amboy Bird BK airplane, NC731Y, ground looped on landing at the Gillespie airport, El Cajon, California. Visual meteorological conditions prevailed at the time and no flight plan was filed. The aircraft sustained substantial damage to the lower outboard right wing. The certificated airline transport pilot and the one passenger on board were not injured. The flight originated at the Gillespie airport on the day of the accident at 1100 hours as a local area personal flight.
In his written statement, the pilot reported that he performed a normal landing on runway 27 right. As the airplane slowed to about 15 mph, a "swirling gust of wind" lifted the tail and turned the airplane to the left. The pilot noted that at this slow speed the rudder and elevator were not effective and his efforts to counteract the left turn were not effective. The aircraft left the pavement and ground looped when the left main wheel encountered soft soil. The right wing contacted the ground and was damaged during the uncontrolled swerve.
Aircraft
- Registration
- NC731Y
- Reported as
- Perth Amboy Bird BK
- Category
- Airplane
- Serial number
- 2039-19
- Engine
- Kinner K-5, 100 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- San Diego Aerospace Museum
- Registered owner
- San Diego Aerospace Museum
- Airworthiness certificate
- Standard, Normal
- Departed
- SEE
- Destination
- SEE
- Airport
- SEE · Gillespie Field, runway 27R, 5,371 × 100 ft, asphalt
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 73
- Certificates
- Flight instructor, Airline transport, Commercial
- Airplane ratings
- Single-engine land, Multi-engine land, Single-engine sea
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Front
- Flight hours
- 25,000 total · 9 in this make and model · 25,000 as pilot in command
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- Calm
- Visibility
- 20 statute miles
- Lowest ceiling
- 20,000 ft broken
- Temperature
- 97 °F
- Altimeter
- 29.00 inHg
- Observed at
- SEE, 1 nm away