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Accidents · NTSB ERA09LA500 · Final report

Amateur-built AVENTURA II accident near Boca Raton, Florida, September 6, 2009

On September 6, 2009 at about 9:18 pm local time, a amateur-built AVENTURA II, registered N6301M, was substantially damaged in an accident during approach (VFR pattern crosswind) near Boca Raton, Florida (Boca Raton Airport). It was a personal flight under general aviation rules (Part 91). 1 person was killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The improper assembly of both carburetors, resulting in an excessively rich fuel to air ratio and subsequent partial loss of engine power.

Source: NTSB aviation accident database, copy made November 2, 2026. Docket and reports at the NTSB.

What the record shows

Date
September 6, 2009 · about 9:18 pm local time · cases in 2009
Place
Boca Raton, Florida · Boca Raton Airport · cases near this airport · map
Type
Accident
Injuries
1 person was killed.
Weather
visual conditions (good weather)
Aircraft
Amateur-built AVENTURA II
Registration
N6301M · no longer on the register · serial AP2A0037
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

The pilot had not flown the airplane for the 2 ½ months prior to the accident. The pilot departed to practice full-stop landings, and as he turned onto the crosswind leg a witness reported hearing the engine sputtering. Postaccident examination of the airplane revealed an improper assembly of both carburetors which could have caused an excessively rich fuel to air ratio. While maneuvering, the airplane stalled and impacted a road. No airframe preimpact failure or malfunction was noted, and no determination could be made as to who improperly assembled the carburetors.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

What happened, in order

  1. Loss of engine power (partial) during approach (VFR pattern crosswind)
  2. Loss of control in flight during approach (VFR pattern crosswind) defining event
  3. Collision with terrain or object (not controlled flight into terrain) during uncontrolled descent

The NTSB's findings

  • cause Aircraft › Aircraft power plant › Engine fuel and control › Fuel control/carburetor › Malfunction other cases naming the engine
  • cause Aircraft › Aircraft power plant › Engine fuel and control › Fuel control/carburetor › Incorrect service/maintenance other cases naming the engine

Pilot

  • Certificate: private
  • Ratings: single-engine land
  • Flight time: 155 hours in all
  • Medical certificate: Class 3
  • Seat: unk
  • Injury: fatal

The aircraft

  • Airframe total time: 108 hours
  • Last inspection: condition inspection, November 25, 2008; 3 hours since
  • Maximum gross weight: 1,150 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Rotax 582 (piston); 0 hours total

The flight

  • Departed from: Boca Raton FL at 9:11 pm
  • Destination: Boca Raton FL
  • Flight plan: none

Weather at the time

  • Light: daylight
  • Wind: from 130° at 10 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 84°F (29°C), dew point 75°F (24°C)
  • Altimeter: 30.01 inHg
  • Observation at 9:20 pm from BCT, 1 miles away

Injuries

FatalSeriousMinorNone
Flight crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

21 documents, released by the NTSB on April 23, 2010. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.

#DocumentWhat it is
1 Witness Statements PDF, 2 pages View Download
2 Weather Reports and Records PDF, 1 page View Download
3 Transcript of Radio Communications PDF, 3 pages View Download
4 FAA Inspector Statement PDF, 2 pages View Download
5 Reports from Parties to the Investigation-rotax Flying & Safety Club PDF, 8 pages View Download
6 Excerpts from Carburetor Illustrated Parts Catalog PDF, 7 pages View Download
7 FAA Form 5010 for Boca Raton Airport PDF, 2 pages View Download
8 Google Earth Plot PDF, 1 page View Download
9 Personnel Statement PDF, 1 page View Download
10 Excerpts from Airworthiness File PDF, 8 pages View Download
11 E-mail from Pilot's Daughter PDF, 2 pages View Download
12 Excerpts from Maintenance Records PDF, 2 pages View Download
13 Excerpts from Pilot Logbook PDF, 1 page View Download
14 Toxicological Reports PDF, 1 page View Download
15 Statement of Party Representatives to NTSB Investigation PDF, 1 page View Download
16 Release of Aircraft Wreckage, NTSB Form 6120.15 PDF, 1 page View Download
17 Photo 1: Digital Photograph Provided by FAA. View of the Wreckage at the Accident Site. PDF, 1 page View Download
18 Photo 2: Digital Photograph Provided by FAA. View of the Wreckage During Recovery from the Site. PDF, 1 page View Download
19 Photo 3: Digital Photograph Provided by Rotax. View Showing Improper Assembly of the Needle Clip for One of the Caburetors. PDF, 1 page View Download
20 Photo 4: Digital Photograph Provided by Rotax. View of the Power Take Off (Propeller Side) Spark Plugs. PDF, 1 page View Download
21 Photo 5: Digital Photograph Provided by Rotax. View of the Mag (Ignition Side) Spark Plugs. PDF, 1 page View Download

The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.

Other NTSB records under N6301M the same tail number, which may have belonged to a different aircraft at the time

1989-05-06LAX89FA181 · accident near Port San Luis, CA · destroyed · fatal
1983-07-03LAX83LA317 · accident near Sunnyvale, CA · substantial damage · no injuries

Connections how this case links to the rest of the register

Aircraft
Place
Record

The whole map of how records connect · these connections as data: /graph/accident/ERA09LA500.json.

The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.