# Jacobs R-755S

- Type: Engine model (FAA registry)
- Registry code: 35011
- Manufacturer (registry): JACOBS
- Model: R-755S
- Engine type: Reciprocating
- Power: 350 hp
- Data sheet: [TCDS E1SW](https://openairdocs.org/tcds/E1SW) (OpenAirDocs)
- Holder: Air Repair Inc.
- Installed in: 2 registered aircraft
- Page: https://openairdocs.org/engine/jacobs-r-755s

Model codes come from the FAA registry's reference file.

## ADs that may apply (OpenAirDocs)

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

None matched.

## Registered aircraft (2)

- [N1581D](https://openairdocs.org/aircraft/N1581D): [Chippewa Aero LLC](https://openairdocs.org/faa-owner/CHIPPEWA%20AERO%20LLC), [Montevideo, MN](https://openairdocs.org/faa-place/MN/Montevideo), built 1952, S/N 7864
- [N4778T](https://openairdocs.org/aircraft/N4778T): [Continental Title Trust LLC](https://openairdocs.org/faa-owner/CONTINENTAL%20TITLE%20TRUST%20LLC), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita), built 1963, S/N 220

## 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 MIA78FKJ48](https://openairdocs.org/ntsb/MIA78FKJ48), Jun 8, 1978: Grumman G-164 (N4778T), Elmore, AL, substantial damage

## 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 19780608016139A](https://openairdocs.org/incident/19780608016139A), Jun 8, 1978: Gulstm G164A (N4778T), Elmore, AL, Substantial damage

## STCs that may be installed (OpenAirDocs) (6)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE04651CH](https://openairdocs.org/stc/SE04651CH): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22. Swift Fuels LLC
- [STC SE01966WI](https://openairdocs.org/stc/SE01966WI): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines. General Aviation Modifications Inc
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW): Installation of coated cylinders and piston rings. Continental Motors, Inc
- [STC SE04136AT](https://openairdocs.org/stc/SE04136AT): Installation of Bendix Scintilla WL-7A Battery Ignition Timer (distributor) modified from a breaker points and condenser design to a Hall Effect electronic sensor design. Air Repair Inc
- [STC SE00809WI](https://openairdocs.org/stc/SE00809WI): Installation of a modified alternate source of supply, engine ignition coil assembly and condenser. Air Repair Inc
- [STC SE01652WI](https://openairdocs.org/stc/SE01652WI): Modification of engine to replace contact points and condenser controlled Bendix Scintilla WL-7A battery timer (distributor) with an electronically controlled WL-7A-M battery timer. Radial Engines Ltd

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