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NTSB accident investigation · Rocci Martignoni JA30 Superstol · Santa Rosa, NM · September 11, 2015

Accident · No injuriesData collectionFinal report
Date
September 11, 2015, 08:00 local (14:00 UTC)
Place
Santa Rosa, NM
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N508RMRocci Martignoni JA30 Superstol
Defining event
Takeoff: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report December 3, 2015
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
Albuquerque FSDO (FAA)
FAA report
20150911015159A
Case key
91986

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot's failure to maintain directional control during takeoff, which resulted in a runway excursion and a ground loop.

Findings · 2

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedRocci Martignoni JA30 SUPERSTOL: 1 caseAll aircraft: 3,958 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The pilot reported that during takeoff he "lost rudder control" and the airplane exited the runway to the left. During the runway excursion, the airplane ground looped, the left main landing gear collapsed, and the left wing impacted terrain. The left wing sustained substantial damage. The pilot stated there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Factual narrative

The pilot reported that during takeoff he "lost rudder control" and the airplane exited the runway to the left. During the runway excursion, the airplane ground looped, the left main landing gear collapsed, and the left wing impacted terrain. The left wing sustained substantial damage. The pilot stated there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation.

Aircraft

Registration
N508RM
Reported as
Rocci Martignoni JA30 Superstol
Category
Airplane, amateur-built
Serial number
JA388-06-14
Built
2015
Airframe hours
54
Engine
Rotax 912 ULS, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · June 26, 2015
Departed
SXU · Santa Rosa, NM
Destination
SXU · Santa Rosa, NM
Airport
SXU · Santa Rosa Route 66, runway 08, 4,294 × 60 ft, asphalt

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
77
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, With waivers/limitations
Last flight review
September 8, 2015
Seat
Left
Restraint
4-point
Flight hours
2,704 total · 24 in this make and model
Role
Pilot-rated passenger
Age
65
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Unknown
Seat
Right
Restraint
4-point
Flight hours
4,000 total · 6 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
50° at 12 knots, gusting 18
Visibility
10 statute miles
Lowest ceiling
None
Temperature
54 °F, dew point 48 °F
Altimeter
30.37 inHg
Observed at
KLVS, 49 nm away

Docket · 2

The files NTSB released with the investigation on October 30, 2015, on NTSB’s docket system: statements, records, photos and specialists’ reports. 1.8 MB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.