# NTSB CEN11CA301: Ayres S2R-R1340, N3104S, Estelline, SD, April 25, 2011 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: April 25, 2011, 15:15 local (20:15 UTC) - Place: Estelline, SD - Coordinates: 44.587223, -96.886665 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=44.5872&lon=-96.8867&mi=10 - Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping) - Defining event: [Takeoff: Loss of control on ground](https://openairdocs.org/ntsb-events/230) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report July 12, 2011 - Report: Approved by Office Director - NTSB office: Central Region - Parties: FAA-RAP-FSDO - NTSB case key (mKey): 78920 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN11CA301 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/78920/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=78920 - Page: https://openairdocs.org/ntsb/CEN11CA301 ## Probable cause The pilot's failure to maintain directional control of the airplane during takeoff. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Ayres S2R-R1340, 2 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=0970210), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Takeoff: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Ayres S2R-R1340, 1 case](https://openairdocs.org/ntsb-events/230/sequence.md?model=0970210), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) - [Takeoff: Runway excursion](https://openairdocs.org/ntsb-events/300); cases with it: [Ayres S2R-R1340, 2 cases](https://openairdocs.org/ntsb-events/300/sequence.md?model=0970210), [All aircraft, 3,643 cases](https://openairdocs.org/ntsb-events/300/sequence.md) - [Takeoff: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [Ayres S2R-R1340, 3 cases](https://openairdocs.org/ntsb-events/470/sequence.md?model=0970210), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The pilot reported that the airplane veered to the left as the tailwheel lifted off the runway during takeoff. He applied right rudder, but the airplane continued to the left. He then applied full right rudder and right brake, at which time, the airplane veered to the right. The airplane continued off the right side of the runway where it crossed a road and traveled through a barbed wire fence prior to coming to rest. The airplane fuselage received substantial damage. The pilot reported there was no malfunction or failure of the airplane. ## Factual narrative The pilot reported the airplane veered to the left as the tailwheel lifted off the runway during takeoff for the aerial application flight. He applied right rudder, but the airplane continued to the left. He then applied full right rudder and right brake, at which time, the airplane veered to the right. The airplane continued off the right side of the runway where it crossed a road and traveled through a barbed wire fence prior to coming to rest. The airplane fuselage received substantial damage. The pilot reported there was no malfunction or failure of the airplane. ## Aircraft - Registration: [N3104S](https://openairdocs.org/deregistered/N3104S-2022-06-04), registration cancelled 2022-06-04, S/N R1340-025, built 1990 (OpenAirDocs) - Reported make and model: AYRES CORPORATION S2R-R1340 - Registry model: [Ayres S2R-R1340](https://openairdocs.org/model/ayres-s2r-r1340) (registry code 0970210) (OpenAirDocs) - Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: R1340-025 - Airframe hours: 12225 - Engines: P&W R1340 SERIES 600 horsepower reciprocating - Damage: Substantial damage - Flight: Aerial application, Part 137 - Operator: Thompson Farm Air - Registered owner: Thompson Scott Trustee - Airworthiness certificate: Special, Restricted (Special) - Last inspection: Annual, January 15, 2011 - Departed: Estelline, SD - Destination: Estelline, SD - Airport: PVT, Pvt Airstrip, runway 09, 2,400 × ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 57; injuries: none; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, with waivers/limitations; last flight review April 7, 2010; seat: center; flight hours: 12,866 total, 2,510 in this make and model, 1,006 as pilot in command, 2 in the last 90 days, 1 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 80° at 7 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 57 °F, dew point 30 °F - Altimeter: 29.81 inHg - Observed at: BKX, 19 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 20110425007589A](https://openairdocs.org/incident/20110425007589A), Apr 25, 2011: Ayres Corporation S2R-R1340, Estelline, SD, Substantial damage. On April 25, 2011 at approximately 1500 (CDT) pilot richard h. jackson was attempting to takeoff from a private airstrip near Estelline, SD for an aerial… ## Other investigations on N3104S (2) 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 CEN20LA276](https://openairdocs.org/ntsb/CEN20LA276), Jul 12, 2020: Rockwell S2R R1340 (N3104S), Keokuk, IA, substantial damage. Probable cause: The improper installation of a fuel vent line during maintenance, which resulted in fuel starvation and a total loss of engine power. - [NTSB FTW04LA159](https://openairdocs.org/ntsb/FTW04LA159), Jun 11, 2004: Ayres S-2R (N3104S), Eagle Lake, TX, substantial damage. Probable cause: The partial collapse of the left main landing gear as a result of a failure of the fuselage structure due to corrosion. ## Docket (1 files) The files NTSB released with the investigation on May 9, 2011, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=78920. 267 KB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 267 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40347060&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.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.