# NTSB LAX97LA256: Cessna 150F, N6634F, Casa Grande, AZ, June 28, 1997 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: June 28, 1997, 07:00 local (14:00 UTC) - Place: Casa Grande, AZ - Location: 32.9549° N, 111.7668° W: Placed by OpenAirDocs at CASA GRANDE MUNI (CGZ), within about a mile (OpenAirDocs) - Nearby events: https://openairdocs.org/map.md?lat=32.9549&lon=-111.7668&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report January 7, 1998 - Report: Approved by Office Director - NTSB case key (mKey): 29848 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX97LA256 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/29848/pdf - Page: https://openairdocs.org/ntsb/LAX97LA256 ## Probable cause Failure of the student pilot to maintain directional control. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Loss of control - on ground/water, landing - roll - directional control - not maintained, pilot in command (cause) - ground loop/swerve - inadvertent, pilot in command (cause) - On ground/water encounter with terrain/water, landing - roll - terrain condition - ditch ## Analysis The pilot reported that she made a normal landing on the runway and that the winds were calm. She said that during the landing the airplane swerved to the right. She attempted to correct the swerve, but with no success. The airplane exited the runway and struck a drainage ditch on the side of the runway. Rudder control continuity was established at the accident site. Detailed examination of the aircraft disclosed no preimpact damage or malfunctions on the landing gear, brakes, or nose gear. The student pilot had logged over 49 hours of dual instruction with 6 hours of flight time with the instructor who had approved her solo flights. ## Factual narrative On June 28, 1997, at 0700 hours mountain standard time, a Cessna 150F, N6634F, collided with a ditch following an on-ground loss of control while landing at Casa Grande, Arizona. The aircraft sustained substantial damage and the student pilot was not injured. The aircraft was operated by the pilot as a instructional flight under 14 CFR Part 91 when the accident occurred. The flight originated in Yuma, Arizona, at an undetermined time. Visual meteorological conditions prevailed. The student pilot was conducting her second supervised solo instructional flight when the accident occurred. The student pilot stated in her report that she set the aircraft down easy and straight on the runway. After it was on the ground, the aircraft "broke hard right," so she held the left rudder in to compensate with no success. She then said she tried to "clean up the plane" but it went out of control and ended up in a gully. The FAA Airworthiness Inspector who examined the aircraft after the accident stated that he was able to establish rudder continuity. Additionally, he did not find any preimpact damage to the landing gear, brakes, or nose landing gear. He did report that he found the stall warning system placarded inoperative. According to the student pilot's logbook entries, she had logged over 49 hours of dual instruction with 6 hours of flight time with the instructor who approved her solo flights. ## Aircraft - Registration: [N6634F](https://openairdocs.org/deregistered/N6634F-1998-01-23), registration cancelled 1998-01-23, S/N 15063234 (OpenAirDocs) - Reported make and model: Cessna 150F - Registry model: [Cessna 150F](https://openairdocs.org/model/cessna-150f) (registry code 2071814) (OpenAirDocs) - Category: Airplane - Serial number: 15063234 - Engines: Continental O-200A 100 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Registered owner: Jacqueline J. Phillips - Airworthiness certificate: Standard, Normal - Last inspection: Annual, August 1, 1996 - Departed: YUM, YUMA, AZ - Destination: CGZ - Airport: CGZ, Casa Grande, runway 5, 5,200 × 100 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 58; student; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 49 total, 25 in this make and model ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 5 statute miles - Lowest ceiling: none - Temperature: 75 °F ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19970628023639A](https://openairdocs.org/incident/19970628023639A), Jun 28, 1997: Cessna 150F, Casa Grande, AZ, Substantial damage. Swerved off runway landing. Ran into a gulley. ## Other investigations on N6634F (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB LAX71DUG73](https://openairdocs.org/ntsb/LAX71DUG73), Apr 18, 1971: Cessna 150 (N6634F), Hemet, CA, substantial damage From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.