# Beech 18A

- Type: Aircraft model (FAA registry)
- Registry code: 1150602
- Manufacturer (registry): BEECH
- Model: 18A
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Reciprocating
- Seats: 8
- Weight class: Up to 12,499 lb
- Cruise speed: 120 mph
- Certification: Type certificated
- Data sheet: [TCDS TC 630](https://openairdocs.org/tcds/TC%20630) (OpenAirDocs)
- Holder: Textron Aviation Inc.
- Registered aircraft: 1
- Page: https://openairdocs.org/model/beech-18a

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.

- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 83-21-06 R1](https://openairdocs.org/ad/83-21-06-R1): Crew Seats · AMI Industries Crew Seats, 18A, 18D and 2 more. Effective Apr 26, 1984
- [AD 75-27-09 R2](https://openairdocs.org/ad/75-27-09-R2): Wing Structure · Textron 18A, 18D, 18S (Army C-45C) and 27 more. Effective Aug 21, 1980
- [AD 77-19-07](https://openairdocs.org/ad/77-19-07): Control Column Assembly · Textron 18A, 18D, 18S (Army C-45C) and 27 more. Effective Sep 29, 1977
- [AD 66-02-01](https://openairdocs.org/ad/66-02-01): Air Conditioners · Beechcraft 56TC, 58, 58A and 39 more. Effective Feb 10, 1966

Historical (superseded or no longer in force):

- [AD 75-09-18](https://openairdocs.org/ad/75-09-18) (historical): Center section truss wing spar and the outer wing panel · Beechcraft 18A, 18D and 18S (Army C-45C). Effective May 1, 1975

## Registered aircraft (1)

- [N15810](https://openairdocs.org/aircraft/N15810): [Walker Matthew James](https://openairdocs.org/faa-owner/WALKER%20MATTHEW%20JAMES), [Henderson, NV](https://openairdocs.org/faa-place/NV/Henderson), built 1935, S/N 62

## STCs approved for it (58, first 50)

- [STC SA00343BO](https://openairdocs.org/stc/SA00343BO): Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release). Avidyne Corporation
- [STC SA00352BO PAGE 1](https://openairdocs.org/stc/SA00352BO%20PAGE%201): Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),. Avidyne Corporation
- [STC SA00382BO](https://openairdocs.org/stc/SA00382BO): Installation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanes. Avidyne Corporation
- [STC SA01157LA](https://openairdocs.org/stc/SA01157LA): Installation of Electronics International Model FP-5 or FP-5L fuel flow/fuel pressure instrument as a replacement instrument.. Electronics International Inc.
- [STC SA01714WI (2 OF 2)](https://openairdocs.org/stc/SA01714WI%20(2%20OF%202)): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems.. Garmin International Inc
- [STC SA01988SE](https://openairdocs.org/stc/SA01988SE): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.. Electronics International Inc.
- [STC SA02016SE-D](https://openairdocs.org/stc/SA02016SE-D): Installation of Garmin GTS 800, GTS 820 or GTS 850 Traffic System. Garmin International Inc
- [STC SA02019SE-D (1 OF 3)](https://openairdocs.org/stc/SA02019SE-D%20(1%20OF%203)): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc.
- [STC SA02019SE-D (3 OF 3)](https://openairdocs.org/stc/SA02019SE-D%20(3%20OF%203)): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc.
- [STC SA02119SE PAGE 1](https://openairdocs.org/stc/SA02119SE%20PAGE%201): Installation of Garmin GDL 88 ADS-B UAT Transceiver System. Garmin International Inc
- [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc.
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA02283SE PAGE 2](https://openairdocs.org/stc/SA02283SE%20PAGE%202): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P. Electronics International Inc.
- [STC SA02402SE PAGE 1](https://openairdocs.org/stc/SA02402SE%20PAGE%201): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C. Electronics International Inc.
- [STC SA02442AK PAGE 1](https://openairdocs.org/stc/SA02442AK%20PAGE%201): Approval of the L-3 Communications NGT 2000/2500 ADS-B system. ADS-B Technologies, LLC
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).. Garmin International Inc.
- [STC SA02658SE (2 OF 2)](https://openairdocs.org/stc/SA02658SE%20(2%20OF%202)): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc.
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc.
- [STC SA02825NY PAGE 1](https://openairdocs.org/stc/SA02825NY%20PAGE%201): Installation of Aerospace Logic Aircraft Instruments. Aerospace Logic Inc.
- [STC SA02930NY](https://openairdocs.org/stc/SA02930NY): Installation of Insight Instrument Corporation Graphic Engine Monitor (GEM 610C) models G3, G2, and G1 and 1200C model G4 as primary Cylinder Head Temperature (CHT), Exhaust Gas Temperature (EGT), and Turbine Inlet Temperature (TIT) Instruments. Insight Instrument Corporation
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS  (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc.
- [STC SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC
- [STC SA104GL](https://openairdocs.org/stc/SA104GL): Installation of a 0.6 second time delay circuit in the side-slip warning system in accordance with Farrington Aircraft Corporation Drawing No. FAC-1001, revision D, and 
FAC-100, Page 3, revision C, and later approved revisions.. Heliplane Aircraft Corporation International
- [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA1315WE](https://openairdocs.org/stc/SA1315WE): Installation of Mixture Monitor (exhaust gas temperature probe, gage and selector) in accordance with Delta Products Part Lists A-192 and A-193,  or in accordance with Tri-Star Corporation Mixture Monitor Installation Instructions dated December 9, 1981,  or later FAA approved revision and/or Drawing List MM-127 dated November 15, 1981,  or later FAA approved revision in aircraft models listed in Master Eligibility List P-80-A-6 revised March 29, 1968,  copy attached,  or later FAA approved revision.. Universal Corporation
- [STC SA1512WE (1 OF 2)](https://openairdocs.org/stc/SA1512WE%20(1%20OF%202)): Installation of exhaust gas temperature monitoring systems Model EGT-1.. K S Avionics Inc
- [STC SA1675WE](https://openairdocs.org/stc/SA1675WE): Installation of exhaust gas temperature monitoring systems EGT-2.. K S Avionics, Inc
- [STC SA2105WE](https://openairdocs.org/stc/SA2105WE): Installation of Model EGT-3 exhaust gas temperature monitor(with rising temperature alarm). (DC-6B (NAVY R6D-1Z) 680). K S Avionics, Inc
- [STC SA2557NM (1 OF 2)](https://openairdocs.org/stc/SA2557NM%20(1%20OF%202)): Installation of KS Avionics EGT/CHT-2( ) combined exhaust gas and cylinder head temperature monitoring system.. K S Avionics Inc
- [STC SA365SO](https://openairdocs.org/stc/SA365SO): Remove fabric from ailerons, elevator, flap and rudder and replace with aluminum alclad.. Hudson Aircraft Service
- [STC SA4-1210](https://openairdocs.org/stc/SA4-1210): Installation of Eonnex cover on aircraft surfaces.. Ceconite, Inc
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer.. Electronics International
- [STC SA593CH](https://openairdocs.org/stc/SA593CH): Install Champion SlickSTART magneto booster system.. Champion Aerospace LLC
- [STC SA8075SW](https://openairdocs.org/stc/SA8075SW): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER). Razorback Fabrics Inc
- [STC SA962EA](https://openairdocs.org/stc/SA962EA): Installation of Canadian Aerocon Limited fail-safe spar modification.. Canadian Aerocon Limited
- [STC SH13CE](https://openairdocs.org/stc/SH13CE): Change nose landing gear cylinder and piston.. Farrington Aircraft Corp
- [STC SH14CE](https://openairdocs.org/stc/SH14CE): Installation of variable pitch control system in accordance with Devore Aviation Corporation Drawings DE-3300, Rev. F, dated 12/28/71, DE-3301, Rev. C, dated 11/19/71, DE-3302, dated 9/7/71, DE-3303, dated 10/21/71, DE-3304, dated 11/19/71, and DE-3305, dated 11/19/71.. Heliplane Aircraft Corporation International
- [STC SH156GL](https://openairdocs.org/stc/SH156GL): Installation of Hartzell HC-C3Y(K, R)-1BLF/FL7663( )-4R propeller in accordance with Farrington Aircraft Corporation Installation Instructions FAC-2001 dated October 1, 1976.. Heliplane Aircraft Corporation International
- [STC SH2138SO](https://openairdocs.org/stc/SH2138SO): Modification of the exhaust and the addition of a muffler and re-contoured engine cowling in accordance with Farrington Aircraft Corp. installation instructions dated February 27, 1987 and Master Drawing List revised August 23, 1987.. Heliplane Aircraft Corporation International
- [STC SH2673SO](https://openairdocs.org/stc/SH2673SO): Installation of Fin Tip Plates in accordance with Farrington Aircraft Drawing No. FAC-FIN-1011, Revision A , dated October 13, 1989, and removal of existing Side Slip Warning System.. Heliplane Aircraft Corporation International
- [STC SH293GL](https://openairdocs.org/stc/SH293GL): Modification of rotor hub drag link in accordance with Devore Aviation Corporation Stress Memo dated December 21, 1978. Heliplane Aircraft Corporation International
- [STC SH317GL](https://openairdocs.org/stc/SH317GL): Removal of cabin door for flight. Heliplane Aircraft Corporation International
- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the
Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.. Whelen Aerospace Technologies
- [STC SR01802WI](https://openairdocs.org/stc/SR01802WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel per ASTM D7547.. Swift Fuels LLC
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC ST01700NY (1 OF 2)](https://openairdocs.org/stc/ST01700NY%20(1%20OF%202)): Installation of the following Aerospace Logic aircraft instruments: EGT-100 Exhaust Gas Temperature Indicator, CHT-100 Cylnder Head Temperature INdicator, FL-100 Dual Fuel Level Indicator, FP-100 Fuel Pressure and Ammeter Indicator, OL-100 Oil Pressure and Temperature Indicator, and VA-100 Voltmeter and Ammeter Indicator.. Aerospace Logic Inc.
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI) (historical): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems.. Garmin International Inc

All 58: https://openairdocs.org/model/beech-18a/stcs.md

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## The same model under other registry codes

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

- [Air & Space America 18A](https://openairdocs.org/model/air-space-america-18a): 6 registered aircraft, registry code 0440104
- [Douglas 18-A](https://openairdocs.org/model/douglas-18-a): 0 registered aircraft, registry code 3020604

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