# NTSB CEN21LA214: Gulfstream American AA-5B, N28249, Gonzales, TX, April 19, 2021 - Type: NTSB accident investigation - Classification: Accident · No injuries · Class 4 · Limited · Final report - Date: April 19, 2021, 14:50 local (19:50 UTC) - Place: Gonzales, TX - Coordinates: 29.53, -97.46 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=29.5300&lon=-97.4600&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230) - 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: Federal Aviation Administration; San Antonio FSDO - NTSB case key (mKey): 103072 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN21LA214 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/103072/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=103072 - Page: https://openairdocs.org/ntsb/CEN21LA214 ## Probable cause The pilot’s failure to maintain directional control during landing that resulted in a runway excursion and collision with a pole. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Performance/control parameters: directional control](https://openairdocs.org/ntsb-findings/01062020): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Gulfstream American AA-5B, 2 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=3970106), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md) - [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Gulfstream American AA-5B, 4 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=3970106), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md) - [Object/animal/substance: pole](https://openairdocs.org/ntsb-findings/03022010): Environmental issues › Physical environment · Contributed to outcome (probable cause); cases with it: [Gulfstream American AA-5B, 1 case](https://openairdocs.org/ntsb-findings/03022010/cases.md?model=3970106), [All aircraft, 142 cases](https://openairdocs.org/ntsb-findings/03022010/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Landing-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Gulfstream American AA-5B, 2 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=3970106), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) - [Landing-landing roll: Runway excursion](https://openairdocs.org/ntsb-events/300); cases with it: [Gulfstream American AA-5B, 3 cases](https://openairdocs.org/ntsb-events/300/sequence.md?model=3970106), [All aircraft, 3,643 cases](https://openairdocs.org/ntsb-events/300/sequence.md) - [Landing-landing roll: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [Gulfstream American AA-5B, 2 cases](https://openairdocs.org/ntsb-events/470/sequence.md?model=3970106), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The private pilot reported that, while landing following a personal flight, when the nosewheel contacted the runway, the airplane veered to the right and off the side of the runway. The airplane continued down a grass hill and impacted a wood beacon pole. The airplane sustained substantial damage to the right wing spar. The pilot reported the nosewheel landing gear was turned to the right when it touched down on the runway. A Federal Aviation Administration inspector reported that a postaccident examination showed no preaccident mechanical failures or malfunctions with the nosewheel that would have precluded normal operation. ## Aircraft - Registration: [N28249](https://openairdocs.org/deregistered/N28249-2023-01-14), registration cancelled 2023-01-14, S/N AA5B0967, built 1978 (OpenAirDocs) - Reported make and model: GULFSTREAM AMERICAN CORP AA-5B - Registry model: [Gulfstream American AA-5B](https://openairdocs.org/model/gulfstream-american-aa-5b) (registry code 3970106) (OpenAirDocs) - Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: AA5B0967 - Year built: 1978 - Airframe hours: 3352.3 - Engines: Lycoming O-360-A4A 180 hp reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Pilot - Registered owner: Pilot - Airworthiness certificate: Standard, Normal - Last inspection: Annual, January 24, 2021 - Departed: 50R, Lockhart, TX - Destination: Same as departure - Airport: T20, Roger M Dreyer Memorial Airport, runway 15, 3,200 × 50 ft, asphalt - Equipment: Auto-pilot, ADS-B ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 83; injuries: minor; private; airplane ratings: single-engine land; medical: basicmed; last flight review October 19, 2019; seat: left; restraint: 3-point; flight hours: 248 total, 248 in this make and model, 104 as pilot in command, 4 in the last 90 days, 2 in the last 30 days, 0 in the last 24 hours - Pilot-rated passenger; age 64; injuries: minor; private; airplane ratings: single-engine land; medical: basicmed; last flight review September 14, 2019; seat: right; restraint: 3-point; flight hours: 291 total, 291 in this make and model, 142 as pilot in command, 5 in the last 90 days, 2 in the last 30 days, 0 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 100° at 4 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 75 °F, dew point 39 °F - Altimeter: 30.01 inHg - Observed at: T20 ## 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 20210419011139A](https://openairdocs.org/incident/20210419011139A), Apr 19, 2021: Gulfstream American Corp AA-5B, Gozales, TX, Substantial damage. The pilot stated that when his wife and him departed E70 on April 19th in Grumman N28249 for 50R to do some touch and goes. We did a few touch and goes. The… ## Docket (3 files) The files NTSB released with the investigation on July 15, 2021, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=103072. 5.7 MB in all. - Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 11 pages, 5.6 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=12430687&FileExtension=pdf&FileName=NTSB%20Form%206120%20Master_Redacted-Rel.pdf - Memorandum for record (item 2, PDF, 1 page, 25 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=12430612&FileExtension=pdf&FileName=Memo%20for%20Record%20-%20FAA-Rel.pdf - Accident photo (item 3, PDF, 1 page, 167 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=12448999&FileExtension=pdf&FileName=Photo-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.