# NTSB ERA14LA034: Teal Harry H Sonerai II Stretch, N1927B, De Leon Springs, FL, November 1, 2013 - Type: NTSB accident investigation - Classification: Accident · Minor injuries · Limited investigation · Final report - Date: November 1, 2013, 10:20 local (14:20 UTC) - Place: De Leon Springs, FL - Coordinates: 29.110576, -81.350646 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=29.1106&lon=-81.3506&mi=10 - Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping) - Defining event: [Enroute-cruise: Loss of engine power (total)](https://openairdocs.org/ntsb-events/341) - Highest injury: Minor injuries - Injuries: 1 minor - Status: Completed, report September 29, 2014 - Report: Approved by Office Director - NTSB office: Eastern Region Aviation - NTSB case key (mKey): 88376 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ERA14LA034 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/88376/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=88376 - Page: https://openairdocs.org/ntsb/ERA14LA034 ## Probable cause A total loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine revealed no evidence of preexisting mechanical anomalies or failures that would have precluded normal operation. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Not determined](https://openairdocs.org/ntsb-findings/05000000): Not determined › Not determined · Unknown/Not determined (probable cause); cases with it: [Teal Harry H SONERAI II STRETCH, 1 case](https://openairdocs.org/ntsb-findings/05000000/cases.md?model=05621GH), [All aircraft, 2,247 cases](https://openairdocs.org/ntsb-findings/05000000/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Enroute-cruise: Loss of engine power (total)](https://openairdocs.org/ntsb-events/341) (defining event); cases with it: [Teal Harry H SONERAI II STRETCH, 1 case](https://openairdocs.org/ntsb-events/341/sequence.md?model=05621GH), [All aircraft, 3,820 cases](https://openairdocs.org/ntsb-events/341/sequence.md) - [Emergency descent: Off-field or emergency landing](https://openairdocs.org/ntsb-events/440); cases with it: [Teal Harry H SONERAI II STRETCH, 1 case](https://openairdocs.org/ntsb-events/440/sequence.md?model=05621GH), [All aircraft, 3,365 cases](https://openairdocs.org/ntsb-events/440/sequence.md) - [Emergency descent: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [Teal Harry H SONERAI II STRETCH, 1 case](https://openairdocs.org/ntsb-events/470/sequence.md?model=05621GH), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The pilot reported that, about 40 minutes into the local flight, the engine lost total power. He was unable to restart the engine, so he conducted a forced landing. The airplane collided with trees and terrain and came to rest inverted. The pilot reported that he began the flight with 9 gallons of fuel on board and used about 3 gallons during the flight. Although only evidence of residual fuel was found in the fuel system, the impact breached the fuel system, and rain was present at the wreckage site after the accident. A postaccident examination of the airframe and engine revealed no evidence of preexisting mechanical anomalies or failures that would have precluded normal operation. The reason for the engine power loss could not be determined. ## Factual narrative On November 1, 2013, about 1020 eastern daylight time, a Teal Sonerai II Stretch, N1927B, was substantially damaged following a total loss of engine power and collision with trees near De Leon Springs, Florida. The sport pilot received minor injuries. The experimental, amateur-built airplane was operated by the pilot under the provisions of 14 Code of Federal Regulations Part 91 as a personal flight. Day, visual meteorological conditions prevailed, and no flight plan was filed. The flight originated from Deland, Florida (DED), about 0930. The pilot reported that he had been airborne for about 40 minutes when, at 3,000 feet above mean sea level, the engine lost power and stopped running. He attempted to restart the engine without success. He attempted a forced landing and the airplane collided with trees and terrain before coming rest, inverted. An inspector with the Federal Aviation Administration (FAA) responded to the accident site and inspected the wreckage. The airplane came to rest, inverted, positioned against trees in a wooded area. Only evidence of residual fuel was found in the fuel system; however, the impact with trees breached the fuel system and there was rain at the wreckage site after the accident. There was no fire. The fuselage, both wings, and the horizontal stabilizer received structural damage. The cockpit canopy was shattered by a tree. The throttle and mixture cables remained attached to the carburetor. The mixture control was found in the full forward position and the throttle was retarded more than half way. The fuel selector was in the main position. The fuel gascolator screen was free of debris. After the wreckage was recovered, the FAA inspector performed a detailed examination of the engine and related systems. The following observations were noted. The engine case was undamaged and was free of oil or fuel leaks. Compression was observed on all cylinders when the propeller was rotated manually. The spark plugs were removed and several of the top plugs had oil and water residue on the electrodes; otherwise the plugs were normal in appearance. Rotation of the engine showed continuity to all engine accessories. The fuel selector, carburetor, fuel pressure regulator, and associated hoses showed no evidence of obstructions or pre-existing anomalies. The fuel gascolator mount was loose; however, there was no evidence of impact damage in that area. The pilot reported that he began the flight with 9 gallons of fuel on board and he verified that amount with a sight gauge. He estimated that he used about 3 gallons of fuel during the flight and had 6 gallons on board at the time of the engine power loss. The engine was not equipped with carburetor heat and the carburetor was not susceptible to icing due to its design. ## Aircraft - Registration: [N1927B](https://openairdocs.org/deregistered/N1927B-2018-01-03), registration cancelled 2018-01-03, S/N 071604-0693, built 2009 (OpenAirDocs) - Reported make and model: TEAL HARRY H SONERAI II STRETCH - Registry model: [Teal Harry H SONERAI II STRETCH](https://openairdocs.org/model/teal-harry-h-sonerai-ii-stretch) (registry code 05621GH) (OpenAirDocs) - Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs) - Category: Airplane, amateur-built - Serial number: 071604-0693 - Year built: 2009 - Airframe hours: 98 - Engines: Volkswagen 2180 100 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Teal Harry H - Registered owner: Teal Harry H - Airworthiness certificate: Special, Experimental (Special) - Last inspection: Condition, February 9, 2013 - Departed: DED, Deland, FL - Destination: DED, Deland, FL ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 83; injuries: minor; sport pilot; medical: sport pilot; seat: single; restraint: 3-point; flight hours: 333 total, 115 in this make and model ## Weather - Conditions: Visual (VMC), Day - Wind: 190° at 8 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 79 °F, dew point 70 °F - Altimeter: 29.98 inHg - Observed at: DED, 5 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 20131101023149A](https://openairdocs.org/incident/20131101023149A), Nov 1, 2013: Teal Harry H SONERAI II STRETCH, Deleon Springs, FL, Substantial damage. The aircraft departed from deland, Florida (ded) on a local flight at 0900 EDT. On the return leg to deland while in cruise at 3000 feet the engine suddenly… ## Docket (10 files) The files NTSB released with the investigation on May 15, 2014, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=88376. 5.6 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 805 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40410253&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.PDF - FAA Inspector's Statement (item 2, .PDF, 186 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40410398&FileExtension=.PDF&FileName=FAA%20Inspector%27s%20Statement-Redacted.PDF - Memorandum of Record 508 Teal (item 3, .PDF, 53 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40412334&FileExtension=.PDF&FileName=Memorandum%20of%20Record%20508%20Teal-Redacted.PDF - Photo 1: Main Wreckage, Inverted (FAA Digital Photo) (item 4, .PDF, 920 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40410399&FileExtension=.PDF&FileName=Photo%201%3A%20Main%20Wreckage,%20Inverted%20(FAA%20Digital%20Photo)-Master.PDF - Photo 2: Wing Structural Damage (FAA Digital Photo) (item 5, .PDF, 706 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40410401&FileExtension=.PDF&FileName=Photo%202%3A%20Wing%20Structural%20Damage%20(FAA%20Digital%20Photo)-Master.PDF - Photo 3: Cockpit and Center Fuselage (FAA Digital Photo) (item 6, .PDF, 748 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40410402&FileExtension=.PDF&FileName=Photo%203%3A%20Cockpit%20and%20Center%20Fuselage%20(FAA%20Digital%20Photo)-Master.PDF - Photo 4: Engine and Propeller (FAA Digital Photo) (item 7, .PDF, 632 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40410403&FileExtension=.PDF&FileName=Photo%204%3A%20Engine%20and%20Propeller%20(FAA%20Digital%20Photo)-Master.PDF - Photo 5: Engine Spark Plugs (FAA Digital Photo) (item 8, .PDF, 708 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40410404&FileExtension=.PDF&FileName=Photo%205%3A%20Engine%20Spark%20Plugs%20(FAA%20Digital%20Photo)-Master.PDF - Photo 6: Carburetor (FAA Digital Photo) (item 9, .PDF, 376 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40410405&FileExtension=.PDF&FileName=Photo%206%3A%20Carburetor%20(FAA%20Digital%20Photo)-Master.PDF - Photo 7 - Fuel Selector (Photo Courtesy FAA) (item 10, .PDF, 480 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40412333&FileExtension=.PDF&FileName=Photo%207%20-%20Fuel%20Selector%20(Photo%20Courtesy%20FAA)%0D%0A-Master.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.