# NTSB LAX93LA254: Cessna 150L, N19507, Yucaipa, CA, June 12, 1993 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: June 12, 1993, 09:45 local (16:45 UTC) - Place: Yucaipa, CA - Coordinates: 34.039672, -117.009498 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=34.0397&lon=-117.0095&mi=10 - Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report June 30, 1994 - Report: Approved by Office Director - NTSB case key (mKey): 28407 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX93LA254 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/28407/pdf - Page: https://openairdocs.org/ntsb/LAX93LA254 ## Probable cause the flight instructor's selection of unsuitable terrain for the forced landing demonstration. A factor in the accident was the high density altitude existing at the time of the mishap. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - In flight collision with terrain/water, climb - to cruise - terrain condition - rising - weather condition - high density altitude (contributing factor) - aircraft performance,climb capability - exceeded - in-flight planning/decision - inadequate, pilot in command(cfi) - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command(cfi) (cause) ## Analysis THE FLIGHT INSTRUCTOR SAID HE WAS DEMONSTRATING AN ENGINE OUT FORCED LANDING PROCEDURE TO HIS STUDENT. ON BASE LEG FOR THE SELECTED LANDING AREA THE INSTRUCTOR DECIDED TO TERMINATE THE EXERCISE. HE SAID HE APPLIED FULL POWER AND BEGAN A CLIMB AT BEST ANGLE OF CLIMB AIRSPEED. THE AIRCRAFT COULD NOT OUT CLIMB THE RISING TERRAIN AND SETTLED ONTO ITS LANDING GEAR AT ABOUT THE 3,750 FOOT MSL LEVEL OF SOME HILLY TERRAIN. AS THE AIRCRAFT ROLLED ALONG THE NOSE GEAR ENCOUNTERED SOFT SOIL AND THE AIRCRAFT NOSED OVER ONTO ITS BACK. THE PILOT REPORTED THAT THERE WAS NO MECHANICAL FAILURE OF THE ENGINE OR AIRFRAME. THE DENSITY ALTITUDE WAS CALCULATED AT ABOUT 6,000 FEET. ## Factual narrative On June 12, 1993, at 0945 Pacific daylight time, a Cessna 150L, N19507, collided with rising terrain near Yucaipa, California, during climb out from a practice forced landing. Visual meteorological conditions prevailed at the time and no flight plan was filed for the operation. The aircraft incurred substantial damage. The certificated flight instructor and his non certificated dual primary student were not injured. The flight originated at the Redlands, California, airport on the day of the mishap at 0900 hours as a local area dual instructional flight. In both a telephone interview and his written statement, the flight instructor said he was demonstrating an engine out forced landing procedure to his student. On base leg for the selected landing area the instructor decided to terminate the exercise. He said he applied full power and began a climb at best angle of climb airspeed. The aircraft could not out climb the rising terrain and settled onto its landing gear at about the 3,750 foot MSL level of some hilly terrain. As the aircraft rolled along, the nose gear encountered soft soil and the aircraft nosed over onto it's back. The pilot reported that there was no mechanical failure of the engine or airframe. The density altitude was calculated at about 6,000 feet. ## Aircraft - Registration: [N19507](https://openairdocs.org/deregistered/N19507-2013-01-23), registration cancelled 2013-01-23, S/N 15074458, built 1973 (OpenAirDocs) - Reported make and model: CESSNA 150L - Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs) - Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 15074458 - Airframe hours: 3193 - Engines: CONTINENTAL O-200-A 100 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Operator: George E. Whittington - Registered owner: Anders E. Testman - Airworthiness certificate: Standard, Normal - Last inspection: 100 hour, May 12, 1993, 97 hours before - Departed: L12, REDLANDS, CA ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 45; flight instructor, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: right; flight hours: 891 total, 769 as pilot in command, 14 in the last 90 days, 9 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 84 °F - Altimeter: 29.00 inHg ## 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 19930612020969A](https://openairdocs.org/incident/19930612020969A), Jun 12, 1993: Cessna 150L, Yucaipa, CA, Substantial damage. Elected go around from base leg on a simulated forced landing. Unable to outclimb terrain. Nosed over landing. 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.