- Date
- August 4, 1996, 06:30 local (13:30 UTC)
- Place
- Casa Grande, AZ
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N2431YCessna A185F
- Weather
- Visual (VMC) · Day
- Status
- Completed · report May 30, 1997
- Report
- Approved by Office Director
- FAA report
- 19960804022719A
- Case key
- 29537
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 student pilot's failure to maintain directional control of the airplane, which resulted in an inadvertent ground loop. Factors relating to the accident were: the student pilot's inadequate training and lack of certification (endorsement).
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 student pilot lost directional control and inadvertently ground looped the airplane after practicing touch-and-go landings and takeoffs. The student received dual instruction in the airplane about 2 months before the accident, but he did not receive the appropriate endorsement to solo the accident airplane. Postaccident examination disclosed no evidence of any preexisting malfunction or failure. The student pilot reported that the surface winds were slightly breezy.
Factual narrative
On August 4, 1996, at 0630 hours mountain standard time, a Cessna A185F, N2431Y, lost directional control during the landing rollout on runway 05 at Casa Grande Airport, Casa Grande, Arizona. The pilot was completing a visual flight rules personal flight. The airplane, operated by Southwest Industrial Rigging, Casa Grande, sustained substantial damage. The noncertificated student pilot, the sole occupant, was not injured. The flight originated at the University of Arizona airstrip, Maricopa, Arizona, at 0620.
This accident was initially reported as an incident. During the repair, maintenance personnel found major structural damage.
The pilot told an Federal Aviation Administration (FAA) inspector from the Scottsdale, Arizona, Flight Standards District Office that he initially departed Chandler, Arizona, airport about 0545 hours, and flew to the University of Arizona airstrip and executed six touch-and-go landings and takeoffs. He then flew to Casa Grande Airport. He said that he inadvertently "ground looped" the airplane on the landing roll and that the surface winds were "slightly breezy."
The FAA inspector reported that the student pilot did not have the appropriate solo endorsement for the accident airplane. The inspector stated, however, that conversations with the student pilot's previous instructors confirmed that he received some dual instruction in the accident airplane about 2 months prior to the accident.
Aircraft
- Registration
- N2431Y
- Reported as
- Cessna A185F
- Category
- Airplane
- Serial number
- 18503566
- Engine
- Continental IO-520, 280 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- Southwest Industrial Rigging
- Airworthiness certificate
- Standard, Normal
- Departed
- 3AZ2
- Destination
- CZG
- Airport
- CGZ · Casa Grande Municipal, runway 5, 5,200 × 100 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
- 44
- Certificate
- Student
- Medical
- Class 3, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 250 total · 40 in this make and model
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 350° at 5 knots
- Visibility
- 50 statute miles
- Lowest ceiling
- None
- Temperature
- 84 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.