# Mason Robert KOLB MARK 3X

- Type: Aircraft model (FAA registry)
- Registry code: 059007E
- Manufacturer (registry): MASON ROBERT
- Model: KOLB MARK 3X
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · 2 cycle
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Light sport
- Registered aircraft: 0
- Page: https://openairdocs.org/model/mason-robert-kolb-mark-3x

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations (1)

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.

- [NTSB CEN13LA254](https://openairdocs.org/ntsb/CEN13LA254), May 1, 2013: Mason Robert Kolb Mark 3X (N125KP), Lawrence, KS, substantial damage. Probable cause: The noncertificated pilot’s improper decision to depart with a tailwind.

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20130501016309A](https://openairdocs.org/incident/20130501016309A), May 1, 2013: Mason Robert KOLB MARK 3X (N125KP), Lawrence, KS, Substantial damage. The pilot attempted a downwind takeoff of a south direction with winds reported 060 degrees, 12 knots gusting to 16. After rotation the aircraft veered to the…

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Ratcliffe John A KOLB MARK3X](https://openairdocs.org/model/ratcliffe-john-a-kolb-mark3x): 0 registered aircraft, registry code 056283H

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