# Lycoming 0-435B

- Type: Engine model (FAA registry)
- Registry code: 41519
- Manufacturer (registry): LYCOMING
- Model: 0-435B
- Engine type: Reciprocating
- Power: 235 hp
- Data sheet: [TCDS E-228](https://openairdocs.org/tcds/E-228) (OpenAirDocs)
- Holder: Lycoming Engines
- Installed in: 3 registered aircraft
- Page: https://openairdocs.org/engine/lycoming-0-435b

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.

- [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026
- [AD 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012
- [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969

Historical (superseded or no longer in force):

- [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024

## Information bulletins (advisory) (2)

- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014

## Registered aircraft (3)

- [N412AF](https://openairdocs.org/aircraft/N412AF): [Bryant Edward J Jr](https://openairdocs.org/faa-owner/BRYANT%20EDWARD%20J%20JR), [Glen Burnie, MD](https://openairdocs.org/faa-place/MD/Glen%20Burnie), built 1967, S/N 28R-30298
- [N7920S](https://openairdocs.org/aircraft/N7920S): [Meyer Kevin](https://openairdocs.org/faa-owner/MEYER%20KEVIN), [Hooper, NE](https://openairdocs.org/faa-place/NE/Hooper), S/N 6592
- [N796C](https://openairdocs.org/aircraft/N796C): [Pierobon Patricia](https://openairdocs.org/faa-owner/PIEROBON%20PATRICIA), [Port Orange, FL](https://openairdocs.org/faa-place/FL/Port%20Orange), S/N 108-3796

## NTSB investigations (5)

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 LAX03LA226](https://openairdocs.org/ntsb/LAX03LA226), Jul 6, 2003: Bell 47 G5 (N7938J), Salinas, CA, substantial damage. Probable cause: The failure of a piston connecting rod during an aerial application, which resulted in a total loss of engine power and subsequent forced landing.
- [NTSB SEA92LA067](https://openairdocs.org/ntsb/SEA92LA067), Apr 2, 1992: Bell 47G3B1 (N7920S), Miltonfreewater, OR, substantial damage. Probable cause: THE INADEQUATE PRELIGHT PREPARATION BY THE PILOT IN HIS FAILURE TO ENSURE THE FILLER HOSE WAS REMOVED BEFORE ATTEMPTING TO TAKEOFF.
- [NTSB CHI74FEG08](https://openairdocs.org/ntsb/CHI74FEG08), Sep 24, 1973: Bell 47-G5 (N4101G), Washingtn Ch, OH, substantial damage
- [NTSB NYC72FHM56](https://openairdocs.org/ntsb/NYC72FHM56), Jun 5, 1972: Bell 47G-5 (N4101G), Freehold, NJ, substantial damage
- [NTSB SEA68D0310](https://openairdocs.org/ntsb/SEA68D0310), May 11, 1968: Bell 47G3B1 (N7920S), Jackson, MT, substantial damage

## FAA accident and incident reports (3)

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 20030706018439A](https://openairdocs.org/incident/20030706018439A), Jul 6, 2003: Bell 47G5 (N7938J), Salinas, CA, Substantial damage. (-23) The pilot reported he had made several passes during an aerial application flight. While on the downwind leg the engine shuttered violently then quit.…
- [Accident 19920402008299A](https://openairdocs.org/incident/19920402008299A), Apr 2, 1992: Bell 47G3B1 (N7920S), Milton Freewate, OR, Substantial damage. Took off with chemical filler hose attached. Jerked helicopter out of control. Collapsed skid. Chopped tailboom.
- [Accident 19730924041409A](https://openairdocs.org/incident/19730924041409A), Sep 24, 1973: Bell 47G5 (N4101G), Washingtn Ch, OH, Substantial damage. Power loss from stuck exhuast valve. Main rotor struck tail boom during forced landing.

## STCs that may be installed (OpenAirDocs) (7)

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 SE00825WI](https://openairdocs.org/stc/SE00825WI): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. B & C Specialty Products Inc
- [STC SE2932SW](https://openairdocs.org/stc/SE2932SW): Install carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive. Alcor LLC. Lists O-435 Series
- [STC SE01954SE](https://openairdocs.org/stc/SE01954SE): Installation of engine crankcase seal. Ly-Con Rebuilding Company
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application. Hartzell Propeller Inc
- [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 SE1779NM](https://openairdocs.org/stc/SE1779NM): Installation of Precise Flight, Inc. Standby Vacuum System SVS III. Precise Flight Inc
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE): Installation of sump mounted chip detector. Aviation Development Corporation

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