# NTSB CEN13LA502: Anderas Tiger Moth R80, N927TM, New Franken, WI, August 24, 2013 - Type: NTSB accident investigation - Classification: Accident · Minor injuries · Limited investigation · Final report - Date: August 24, 2013, 12:00 local (17:00 UTC) - Place: New Franken, WI - Coordinates: 44.503334, -87.866111 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=44.5033&lon=-87.8661&mi=10 - Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping) - Defining event: [Initial climb: Loss of engine power (total)](https://openairdocs.org/ntsb-events/341) - Highest injury: Minor injuries - Injuries: 1 minor - Status: Completed, report August 7, 2014 - Report: Approved by Office Director - NTSB office: Central Region - Parties: Federal Aviation Administration - NTSB case key (mKey): 87856 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN13LA502 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/87856/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=87856 - Page: https://openairdocs.org/ntsb/CEN13LA502 ## Probable cause The loss of engine power during initial climb for reasons that could not be determined because postaccident examination did not reveal any anomalies 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: [Anderas Per TIGER MOTH R80, 1 case](https://openairdocs.org/ntsb-findings/05000000/cases.md?model=05615HV), [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. - [Initial climb: Loss of engine power (total)](https://openairdocs.org/ntsb-events/341) (defining event); cases with it: [Anderas Per TIGER MOTH R80, 1 case](https://openairdocs.org/ntsb-events/341/sequence.md?model=05615HV), [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: [Anderas Per TIGER MOTH R80, 1 case](https://openairdocs.org/ntsb-events/440/sequence.md?model=05615HV), [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: [Anderas Per TIGER MOTH R80, 1 case](https://openairdocs.org/ntsb-events/470/sequence.md?model=05615HV), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The pilot reported that a new engine had been installed on the amateur-built airplane in accordance with the manufacturer's recommendations and that an engine test run and taxi tests were performed. The airplane was serviced with fuel before its first local flight following the new engine installation. Shortly after takeoff, the airplane lost engine power at 200 feet above ground level. The pilot performed a forced landing to a field, during which the landing gear separated from the airplane, and the airplane sustained substantial wing and fuselage damage. The local temperature and dew point were favorable for serious carburetor icing at glide power; however, the engine was operating at a high power setting. A postaccident examination revealed that the fuel filters were clean. An examination of the engine did not reveal any anomalies that would have precluded normal operation. ## Factual narrative On August 24, 2013, about 1200 central daylight time, an experimental amateur-built Anderas Tiger Moth R80 airplane, N927TM, impacted terrain during a forced landing following a loss of engine power near New Franken, Wisconsin. The commercial pilot, who was the sole occupant, received minor injuries. The airplanes fuselage and wings sustained substantial damage. The airplane was registered to and operated by the pilot under the provisions of 14 Code of Federal Regulations Part 91 as a personal flight. Day visual flight rules (VFR) conditions prevailed for the flight, which did not operate on a VFR flight plan. The local flight was originating from the Nicolet Airport, near Green Bay, Wisconsin, at the time of the accident.The pilot reported that a new engine was installed on the airplane in accordance with the manufacturer's recommendations. He indicated that it was a Rotec R2800 engine and its serial number was 1080105. The engine was test run and taxi tests were performed. The airplane was serviced with fuel before its first local flight in the airport pattern following the new engine installation. The pilot took off and at 200 feet above ground level, the airplane lost engine power. The pilot turned the airplane to the right and selected a field to land on. The airplanes landing gear impacted tall grass and the landing gear separated from the airplane. The pilot said that the "airplane disintegrated around" him. At 1153, the recorded weather at the Austin Straubel International Airport (GRB), near Green Bay, Wisconsin, was: Wind 190 degrees at 7 knots; visibility 10 statute miles; sky condition clear; temperature 25 degrees C; dew point 16 degrees C; altimeter 30.25 inches of mercury. The temperature and dew point at GRB was entered on a carburetor icing probability chart and the chart revealed that the weather conditions were favorable for serious icing at glide power. During a telephone interview, the pilot indicated that the airplane was torn down and he subsequently examined it. The fuel filters were found to be clean and an examination of the engine did not reveal any anomalies. ## Aircraft - Registration: [N927TM](https://openairdocs.org/deregistered/N927TM-2017-10-26), registration cancelled 2017-10-26, S/N TM19 (OpenAirDocs) - Reported make and model: ANDERAS TIGER MOTH R80 - Registry model: [Anderas Per TIGER MOTH R80](https://openairdocs.org/model/anderas-per-tiger-moth-r80) (registry code 05615HV) (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: TM19 - Airframe hours: 51 - Engines: Rotec 2800 110 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Pilot - Registered owner: Pilot - Airworthiness certificate: Special, Experimental (Special) - Last inspection: Condition, August 24, 2013 - Departed: 88WI, Green Bay, WI - Destination: 88WI, Green Bay, WI - Airport: 88WI, Nicolet, runway 21, 2,200 × 100 ft ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 60; injuries: minor; commercial; airplane ratings: multi-engine land, single-engine sea, single-engine land; instrument ratings: airplane; medical: class 2, with waivers/limitations; seat: rear; restraint: 3-point; flight hours: 3,000 total, 45 in this make and model, 2,800 as pilot in command, 30 in the last 90 days, 10 in the last 30 days, 0 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 190° at 7 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 77 °F, dew point 61 °F - Altimeter: 30.25 inHg - Observed at: KGRB, 12 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 20130824015549A](https://openairdocs.org/incident/20130824015549A), Aug 24, 2013: Anderas Per TIGER MOTH R80, New Franken, WI, Destroyed. The aircraft departed runway 21 at Nicolet, WI airport (88WI). At approximately 200 feet during initial climb, the engine failed. The pilot subsequently made a… ## Docket (3 files) The files NTSB released with the investigation on May 7, 2014, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=87856. 354 KB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 204 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40412067&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.PDF - Communication Summary (item 2, .PDF, 78 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40412068&FileExtension=.PDF&FileName=Communication%20Summary-Master.PDF - Icing Chart CE-09-35 (item 3, .PDF, 72 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40412069&FileExtension=.PDF&FileName=Icing%20Chart%20CE-09-35-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.