# NTSB LAX93LA357: Cessna 210F, N1842F, Chino, CA, September 18, 1993 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: September 17, 1993, 20:23 local (Sep 18, 1993, 03:23 UTC) - Place: Chino, CA - Location: 33.9738° N, 117.6191° W: Placed by OpenAirDocs from NTSB’s distance and direction from CHINO (CNO), within about a mile (OpenAirDocs) - Nearby events: https://openairdocs.org/map.md?lat=33.9738&lon=-117.6191&mi=10 - Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 3 uninjured - Status: Completed, report August 1, 1994 - Report: Approved by Office Director - NTSB case key (mKey): 28479 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX93LA357 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/28479/pdf - Page: https://openairdocs.org/ntsb/LAX93LA357 ## Probable cause the pilot's inadequate compensation for the downdraft and his failure to maintain the proper glidepath. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - In flight collision with terrain/water, approach - vfr pattern - final approach - weather condition - downdraft - compensation for wind conditions - inadequate, pilot in command (cause) - light condition - bright night - proper glidepath - not maintained, pilot in command (cause) ## Analysis THE PILOT REPORTED THAT ON SHORT FINAL APPROACH HE ENCOUNTERED DOWNDRAFTS, AND THE AIRPLANE'S RATE OF DESCENT INCREASED. THE PILOT SAID THAT HE ATTEMPTED TO COMPENSATE FOR THE INCREASED VERTICAL DESCENT RATE BY ADDING ENGINE POWER. THE PILOT FURTHER REPORTED THAT AS THE ENGINE POWER WAS INCREASING, THE AIRPLANE COLLIDED WITH A CORN FIELD AN ESTIMATED 340 FEET SHORT OF THE RUNWAY. ## Factual narrative On September 17, 1993, at 2023 Pacific daylight time, a Cessna 210F, N1842F, operated by the pilot, descended into a corn field on short final approach to runway 26 at the Chino Airport, Chino, California. Visual meteorological conditions prevailed at the time of the personal flight. The airplane was substantially damaged. Neither the private pilot nor the two passengers was injured. The flight originated from Murrieta, California, on September 17, 1993, at 2000. On September 18, 1993, the pilot was interviewed via telephone. The pilot reported that after receiving a landing clearance he continued descending toward the assigned runway. The airplane touched down an estimated 340 feet prior to the approach end of the runway. No mechanical problems were experienced with the airplane during the night time flight. In the pilot's completed "Pilot/Operator Aircraft Accident Report," NTSB Form 6120.1, he reported that during the approach he encountered "a sudden increase in vertical speed," and, as he was applying full power, the airplane contacted the ground. He further reported that the accident could have been prevented if he had "been ready for the down draft." ## Aircraft - Registration: [N1842F](https://openairdocs.org/deregistered/N1842F-2018-06-08), registration cancelled 2018-06-08, S/N 21058742, built 1966 (OpenAirDocs) - Reported make and model: CESSNA 210F - Registry model: [Cessna 210F](https://openairdocs.org/model/cessna-210f) (registry code 2073418) (OpenAirDocs) - Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 21058742 - Airframe hours: 2897 - Engines: CONTINENTAL IO-520-A 285 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Webster, Richard - Registered owner: Webster, Richard - Airworthiness certificate: Special, Provisional (Special); Standard, Normal - Last inspection: Annual, March 23, 1993, 35 hours before - Departed: F70, MURRIETA, CA - Airport: CNO, Chino, runway 26, 4,856 × 150 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 61; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 740 total, 302 in this make and model, 17 in the last 90 days, 12 in the last 30 days ## Weather - Conditions: Visual (VMC), Night/bright - Wind: 260° at 10 knots - Visibility: 15 statute miles - Lowest ceiling: none - Altimeter: 29.00 inHg - Observed at: CNO, 1 nm away ## 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 19930917039249A](https://openairdocs.org/incident/19930917039249A), Sep 17, 1993: Cessna 210F, Chino, CA, Substantial damage. Landed short of runway. Blamed downdraft. ## Other investigations on N1842F (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 WPR15FA166](https://openairdocs.org/ntsb/WPR15FA166), May 21, 2015: Cessna 210F (N1842F), Pleasanton, CA, destroyed, 1 fatal. Probable cause: The pilot’s continued visual flight into instrument flight rules conditions, which resulted in his failure to maintain sufficient clearance from rising terrain. 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.