# NTSB CEN15CA197: Rennicke Midget Musta MM1, N824C, Longmont, CO, April 10, 2015 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: April 10, 2015, 14:15 local (20:15 UTC) - Place: Longmont, CO - Coordinates: 40.162223, -105.160835 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=40.1622&lon=-105.1608&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 May 13, 2015 - Report: Approved by Office Director - NTSB office: Central Region - NTSB case key (mKey): 91024 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CEN15CA197 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/91024/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=91024 - Page: https://openairdocs.org/ntsb/CEN15CA197 ## Probable cause The pilot's failure attain/maintain pitch control prior to attaining a proper takeoff speed during takeoff roll, which resulted in a premature liftoff of the airplane and loss of control. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Performance/control parameters: pitch control](https://openairdocs.org/ntsb-findings/01062022): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Chad Rennicke MM1, 1 case](https://openairdocs.org/ntsb-findings/01062022/cases.md?model=05632UL), [All aircraft, 526 cases](https://openairdocs.org/ntsb-findings/01062022/cases.md) - [Performance/control parameters: airspeed](https://openairdocs.org/ntsb-findings/01062010): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Chad Rennicke MM1, 1 case](https://openairdocs.org/ntsb-findings/01062010/cases.md?model=05632UL), [All aircraft, 1,681 cases](https://openairdocs.org/ntsb-findings/01062010/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: [Chad Rennicke MM1, 1 case](https://openairdocs.org/ntsb-events/230/sequence.md?model=05632UL), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) - [Takeoff: Attempted remediation/recovery](https://openairdocs.org/ntsb-events/060); cases with it: [Chad Rennicke MM1, 1 case](https://openairdocs.org/ntsb-events/060/sequence.md?model=05632UL), [All aircraft, 1,422 cases](https://openairdocs.org/ntsb-events/060/sequence.md) - [Takeoff: Abnormal runway contact](https://openairdocs.org/ntsb-events/090); cases with it: [Chad Rennicke MM1, 1 case](https://openairdocs.org/ntsb-events/090/sequence.md?model=05632UL), [All aircraft, 1,506 cases](https://openairdocs.org/ntsb-events/090/sequence.md) - [Takeoff: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [Chad Rennicke MM1, 1 case](https://openairdocs.org/ntsb-events/470/sequence.md?model=05632UL), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The airplane impacted the runway surface during takeoff after it prematurely lifted off and cartwheeled to a stop facing in the opposite direction. The pilot stated that he knew the airplane was not at flying speed when it lifted off, so he moved the control stick forward to return the airplane to the runway surface, but the airplane bounced and veered left. He added additional engine power in attempt to keep the airplane flying. The left wing then dropped and contacted the runway, cartwheeling the airplane. The pilot reported that there was no mechanical malfunction/failure of the airplane at the time of the accident. ## Factual narrative The airplane impacted the runway surface during takeoff after it prematurely lifted off and cartwheeled to a stop facing in the opposite direction. The pilot stated that he knew the airplane was not at flying speed when it lifted off, so he moved the control stick forward to return the airplane to the runway surface, but the airplane bounced and veered left. He added additional engine power in attempt to keep the airplane flying. The left wing then dropped and contacted the runway, cartwheeling the airplane. The pilot reported that there was no mechanical malfunction/failure of the airplane at the time of the accident. ## Aircraft - Registration: [N824C](https://openairdocs.org/deregistered/N824C-2015-12-21), registration cancelled 2015-12-21, S/N MM1CR1, built 2013 (OpenAirDocs) - Reported make and model: RENNICKE MIDGET MUSTA MM1 - Registry model: [Chad Rennicke MM1](https://openairdocs.org/model/chad-rennicke-mm1) (registry code 05632UL) (OpenAirDocs) - Registry engine: [Lycoming O-290 series](https://openairdocs.org/engine/lycoming-o-290-series) (registry code 42083, reciprocating) (OpenAirDocs) - Category: Airplane, amateur-built - Serial number: MM1CR1 - Year built: 2013 - Airframe hours: 15 - Engines: Lycoming O290 135 hp reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Pilot - Registered owner: Pilot - Airworthiness certificate: Special, Experimental (Special) - Last inspection: Condition, December 20, 2014 - Departed: LMO, Longmont, CO - Destination: LMO, Longmont, CO - Airport: LMO, Vance Brand, runway 11 ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 57; injuries: none; private; airplane ratings: single-engine land; medical: class 3, with waivers/limitations; last flight review January 18, 2014; seat: single; restraint: 3-point; flight hours: 240 total, 6 in this make and model, 183 as pilot in command, 9 in the last 90 days, 6 in the last 30 days ## Weather - Conditions: Visual (VMC), Day - Wind: 70° at 6 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 63 °F, dew point 28 °F - Observed at: LMO ## 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 20150410003359A](https://openairdocs.org/incident/20150410003359A), Apr 10, 2015: Chad Rennicke MM1, Longmont, CO, Substantial damage. On 4/10/2015 at approximately 1415HRS local time N824C, an amateur built MM1 ("midget mustang") experienced wing tip contact on take-off from runway 11 at the… ## Docket (1 files) The files NTSB released with the investigation on May 7, 2015, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=91024. 2.0 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 2.0 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40425995&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.