# NTSB CEN23LA116: Beech G35, N4210D, Grand Prairie, TX, February 20, 2023 - Type: NTSB accident investigation - Classification: Accident · No injuries · Class 4 · Limited · Final report - Date: February 19, 2023, 18:10 local (Feb 20, 2023, 00:10 UTC) - Place: Grand Prairie, TX - Coordinates: 32.69, -97.04 - Nearby events: https://openairdocs.org/map.md?lat=32.6900&lon=-97.0400&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing: Landing gear not configured](https://openairdocs.org/ntsb-events/095) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed - Report: Approved by Office Director - Investigation class: Class 4 - Basic report with no Prelim publish - NTSB office: Central Region - Parties: FAA - NTSB case key (mKey): 106764 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN23LA116 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/106764/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=106764 - Page: https://openairdocs.org/ntsb/CEN23LA116 ## Probable cause The pilot’s failure to extend the landing gear before landing. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Action: forgotten action/omission](https://openairdocs.org/ntsb-findings/02041035): Personnel issues › Action/decision · Pilot (probable cause); cases with it: [Beech G35, 3 cases](https://openairdocs.org/ntsb-findings/02041035/cases.md?model=1151516), [All aircraft, 440 cases](https://openairdocs.org/ntsb-findings/02041035/cases.md) - [Use of equip/info: use of equip/system](https://openairdocs.org/ntsb-findings/02063015): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Beech G35, 3 cases](https://openairdocs.org/ntsb-findings/02063015/cases.md?model=1151516), [All aircraft, 1,391 cases](https://openairdocs.org/ntsb-findings/02063015/cases.md) - [Landing gear system: gear extension and retract sys](https://openairdocs.org/ntsb-findings/01023230): Aircraft › Aircraft systems · Not used/operated (probable cause); cases with it: [Beech G35, 2 cases](https://openairdocs.org/ntsb-findings/01023230/cases.md?model=1151516), [All aircraft, 416 cases](https://openairdocs.org/ntsb-findings/01023230/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Landing: Landing gear not configured](https://openairdocs.org/ntsb-events/095) (defining event); cases with it: [Beech G35, 4 cases](https://openairdocs.org/ntsb-events/095/sequence.md?model=1151516), [All aircraft, 584 cases](https://openairdocs.org/ntsb-events/095/sequence.md) - [Landing-landing roll: Runway excursion](https://openairdocs.org/ntsb-events/300); cases with it: [Beech G35, 2 cases](https://openairdocs.org/ntsb-events/300/sequence.md?model=1151516), [All aircraft, 3,643 cases](https://openairdocs.org/ntsb-events/300/sequence.md) ## Analysis The pilot reported that he forgot to put down the landing gear and that he landed with the gear retracted. The airplane slid off the runway before it came to a rest. The airplane sustained substantial damage to the lower fuselage. The pilot reported there were no mechanical malfunctions or failures that would have precluded normal operations. ## Aircraft - Registration: [N4210D](https://openairdocs.org/aircraft/N4210D), registered now, S/N D-4415 (OpenAirDocs) - Reported make and model: BEECH G35 - Registry model: [Beech G35](https://openairdocs.org/model/beech-g35) (registry code 1151516) (OpenAirDocs) - Registry engine: [Continental E225 series](https://openairdocs.org/engine/continental-e225-series) (registry code 17015, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: D-4415 - Year built: 1956 - Airframe hours: 6615 - Engines: Continental E-225-8 225 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Airworthiness certificate: Standard, Utility - Last inspection: Annual, October 27, 2021, 4.6 hours before - Departed: F41, Ennis, TX - Destination: GPM, Grand Prairie, TX - Airport: GPM, Grand Prairie Municipal, runway 18, 4,001 × 75 ft, concrete - Equipment: Auto-pilot, Stall warning system ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 0; injuries: none; commercial; airplane ratings: single-engine land; medical: basicmed, without waivers/limitations; last flight review July 5, 2021; seat: front; restraint: lap only; flight hours: 1,044.5 total, 6.7 in this make and model, 943.8 as pilot in command, 1.4 in the last 90 days, 1.4 in the last 30 days, 1.4 in the last 24 hours ## Weather - Conditions: Visual (VMC), Dusk - Wind: 190° at 8 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 70 °F, dew point 41 °F - Altimeter: 30.07 inHg - Observed at: KGPM, 1 nm away - METAR: KGPM 192350Z 19008KT 10SM SKC 21/05 A3007 ## Docket (2 files) The files NTSB released with the investigation on July 27, 2023, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=106764. 3.0 MB in all. - Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 11 pages, 2.8 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=15751125&FileExtension=pdf&FileName=Form_830_N4210D-Redacted-Rel.pdf - Photos (item 2, PDF, 1 page, 230 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=15752095&FileExtension=pdf&FileName=Photo%20Array-Redacted-Rel.pdf 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.