# Ratcliffe John A KOLB MARK3X

- Type: Aircraft model (FAA registry)
- Registry code: 056283H
- Manufacturer (registry): RATCLIFFE JOHN A
- Model: KOLB MARK3X
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · 4 cycle
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/ratcliffe-john-a-kolb-mark3x

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 ERA10LA199](https://openairdocs.org/ntsb/ERA10LA199), Apr 1, 2010: Ratcliffe John A Kolb MARK3X (N3181L), Charleston, SC, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain adequate airspeed which resulted in an aerodynamic stall and subsequent loss of control. Contributing to the accident was the pilot's lack of experience in the make…

## 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 20100401042579A](https://openairdocs.org/incident/20100401042579A), Apr 1, 2010: Ratcliffe J KOLB MARK3X (N3181L), Charleston, SC, Destroyed, 1 fatal. It was reported by a witness at mid field runway 22 that the aircraft departed from runway 4 at Charleston Executive Airport (jzi) shortly before 11:00 am EDT.…

## The same model under other registry codes

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

- [Mason Robert KOLB MARK 3X](https://openairdocs.org/model/mason-robert-kolb-mark-3x): 0 registered aircraft, registry code 059007E

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