# NTSB NYC03LA085: McCaa Minimax 1500R, N20569, Robbinsville, NJ, April 14, 2003

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: April 14, 2003, 15:12 local (19:12 UTC)
- Place: Robbinsville, NJ
- Coordinates: 40.214443, -74.594169
- Nearby events: https://openairdocs.org/map.md?lat=40.2144&lon=-74.5942&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report February 5, 2004
- Report: Approved by Office Director
- Parties: Federal Aviation Administration
- NTSB case key (mKey): 56829
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC03LA085
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/56829/pdf
- Page: https://openairdocs.org/ntsb/NYC03LA085

## Probable cause

A partial loss of power for undertermined reason(s).

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power, takeoff - initial climb
  - reason for occurrence undetermined (cause)
- Forced landing, descent - emergency
- In flight collision with object, emergency landing
  - object - tree(s)

## Analysis

The pilot/builder reported that he was operating his homebuilt airplane on its first flight.  While performing a go-around, he noticed a partial loss of power.  He was unable to restore full power, and elected to land on a golf course ahead of him.  During the approach , the airplane struck a tree, and came to rest inverted.  Examination of the engine and fuel system by an inspector from the FAA failed to find the cause of the reported power loss.

## Factual narrative

On April 14, 2003, at 1512 eastern daylight time, a homebuilt Minimax 1500R, N20569, was substantially damaged during a forced landing at Trenton-Robbinsville Airport, Robbinsville, New Jersey.  The certificated private pilot received minor injuries.  Visual meteorological conditions prevailed for the personal flight.  No flight plan had been filed for the local flight that was conducted under 14 CFR Part 91.

According to the pilot, the accident flight was the first flight of the airplane.  He had previously accomplished high speed taxis, with the airplane momentarily becoming airborne in what he described as "crow hopping."  The pilot reported that after initial takeoff, he stayed in the traffic pattern for one landing and then climbed to 2,500 feet, and departed the traffic pattern.  He accomplished airwork, and checked the low speed flight characteristics of the airplane.  The pilot then returned to the traffic pattern at Robbinsville, for takeoff and landing practice.  The first two approaches terminated in go-arounds.  On the third approach, in the flare, the airplane ballooned, and he added power for another go-around.  During the climb, the pilot realized the engine was not developing full power.  The engine never quit; however, it was not developing sufficient power to maintain altitude.  The pilot was unable to restore full power, and felt that a turn back to the airport would not be successful.  He initiated a slight turn to the right to avoid a tree, but the left wing contacted it.  The outboard 1/3 of the left wing separated from the airplane.  The airplane struck the ground and came to rest inverted.

An inspector from the Federal Aviation Administration (FAA) stated:

"...The fuel system was reconstructed as best we could using the aircraft fuel pump, lines, and filters.  No issues were noted.  The ignition was examined, spark occurred at engine rotation.  Spark plugs were in new condition and clean.  The engine rotated freely.  Examination of the pistons did not reveal indication of detonation...."

In a telephone interview, the FAA inspector reported that although some contamination was found in the fuel filter, it was insufficient to block the flow of fuel to the engine.

The airplane was equipped with a non-certificated two cylinder, two stroke engine.  The owners manual stated the engine was suject to sudden stoppage, and had not received any individual safety or durability testing.

## Aircraft

- Registration: [N20569](https://openairdocs.org/deregistered/N20569-2005-05-11), registration cancelled 2005-05-11, S/N 1035, built 2002 (OpenAirDocs)
- Reported make and model: McCaa Minimax 1500R
- Registry model: [Mccaa Thomas C MINIMAX 1500R](https://openairdocs.org/model/mccaa-thomas-c-minimax-1500r) (registry code 05614FQ) (OpenAirDocs)
- Registry engine: [Rotax SEE BOMBADIER](https://openairdocs.org/engine/rotax-see-bombadier) (registry code 55555, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Serial number: 1035
- Airframe hours: 2
- Engines: Rotax DCDI 50 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Condition, November 30, 2002, 5 hours before
- Departed: N87, Robbinsville, NJ
- Destination: N87, NJ
- Airport: N87, Trenton-Robbinsville Airport, runway 29, 4,275 × 80 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 53; injuries: minor; student; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; last flight review February 6, 2002; seat: single; flight hours: 125 total, 53 as pilot in command, 5 in the last 90 days, 3 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 220° at 9 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 64 °F, dew point 30 °F
- Altimeter: 30.29 inHg
- Observed at: TTN, 11 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 20030414036579A](https://openairdocs.org/incident/20030414036579A), Apr 14, 2003: Amtr MINIMAX1500R, Robbinsville, NJ, Substantial damage. (-23) During climb out, the pilot realized the engine was not producing sufficient power to maintain altitude. He initiated an emergency landing in a golf…

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.

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