# N46AB: 1991 Barber Robert L KITFOX II

- Status: Valid registration
- Airframe: [Barber Robert L KITFOX II](https://openairdocs.org/model/barber-robert-l-kitfox-ii) (registry code 056181X, 2 seats)
- Engine: [Lycoming 0-145B series](https://openairdocs.org/engine/lycoming-0-145b-series) (registry code 41502)
- Data sheets: [TCDS TC 210](https://openairdocs.org/tcds/TC%20210) (Textron Lycoming AVCO Corporation) (OpenAirDocs)
- Serial number: 530
- Year built: 1991
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 8, 1991
- Certificate issued: June 21, 2023
- Expires: June 30, 2030
- Mode S code: A59744
- Registered owner: [Schultz Lawrence D](https://openairdocs.org/faa-owner/SCHULTZ%20LAWRENCE%20D)
- Location: [San Diego, CA](https://openairdocs.org/faa-place/CA/San%20Diego)
- Owner type: Individual
- Owner's area on the map: 32.9120° N, 117.1434° W: Placed by OpenAirDocs at the center of ZIP code 92126, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=46AB
- Page: https://openairdocs.org/aircraft/N46AB

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Lycoming 0-145B model are included.

## ADs that may apply (OpenAirDocs): 3 in force

### Matched by airframe (Barber Robert L KITFOX II)

None in force.

### Matched by engine (Lycoming 0-145B series)

- [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

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N46AB.

## FAA accident and incident reports

None matched to N46AB.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (2)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the engine (Lycoming 0-145B series)

- [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. Lists O-145-B1
- [STC SE03232CH](https://openairdocs.org/stc/SE03232CH): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application. Hartzell Propeller Inc. Lists O-145-B1

## Earlier aircraft with N46AB

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N46AB before.

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N46AB-undated): Boyd Alfred B JR KR-2, S/N 3751. N-number assigned, not yet registered

## Related

- Other Barber Robert L KITFOX II aircraft: https://openairdocs.org/model/barber-robert-l-kitfox-ii/aircraft.md
- The Lycoming 0-145B series engine: https://openairdocs.org/engine/lycoming-0-145b-series.md

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