# Beech 18S - Type: Aircraft model (FAA registry) - Registry code: 1150802 - Manufacturer (registry): BEECH - Model: 18S - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 2 · Reciprocating - Seats: 11 - Weight class: Up to 12,499 lb - Cruise speed: 120 mph - Certification: Type certificated - Data sheet: [TCDS TC 710](https://openairdocs.org/tcds/TC%20710) (OpenAirDocs) - Holder: Textron Aviation Inc. - Registered aircraft: 1 - Page: https://openairdocs.org/model/beech-18s 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 Effective Feb 10, 1966 Historical (superseded or no longer in force): - [AD 75-09-18](https://openairdocs.org/ad/75-09-18) (historical): Center section truss wing spar and the outer wing panel · Beechcraft 18A, 18D and 18S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) - [N18XW](https://openairdocs.org/aircraft/N18XW): [Eastern Stearman Inc Trustee](https://openairdocs.org/faa-owner/EASTERN%20STEARMAN%20INC%20TRUSTEE), [Leesburg, VA](https://openairdocs.org/faa-place/VA/Leesburg), S/N CA191 ## STCs approved for it (19) - [STC SA01282NY](https://openairdocs.org/stc/SA01282NY): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830.. Airwolf Filter Corporation - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI): To allow the use of UL91 or UL94 (minimum) grade aviation fuel. Swift Fuels LLC - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI): To allow the use of UL91 (minimum) grade aviation fuel. Petersen Aviation 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 SA04652CH](https://openairdocs.org/stc/SA04652CH): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification. Swift Fuels LLC - [STC SA1152CE](https://openairdocs.org/stc/SA1152CE): Install crack detection system.. Staggerwing Museum Foundation Inc. - [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 SA176SW](https://openairdocs.org/stc/SA176SW): Aluminum sheet covering of elevator, rudders and ailerons.. Sherman V Cornstubble - [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 SA5190NM](https://openairdocs.org/stc/SA5190NM): Installation of Gustin Aviation chip detector light system.. A & L Aircraft Parts Inc - [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 SA1512WE](https://openairdocs.org/stc/SA1512WE) (historical): Installation of exhaust gas temperature monitoring systems Model EGT-1. (PA-28 SERIES LESS 28-140, 28-180, 28-235) (PA-24 SERIES LESS 24-180, 24-280, 24-400). K S Avionics, Inc - [STC SA2557NM](https://openairdocs.org/stc/SA2557NM) (historical): Installation of KS Avionics EGT/CHT-2( ) combined exhaust gas and cylinder head temperature monitoring system.. K S Avionics Inc ## NTSB investigations (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB DCA73A0002](https://openairdocs.org/ntsb/DCA73A0002), Nov 17, 1972: Beech G18S (N2700S), Elkton, KY, destroyed, 11 fatal - [NTSB MIA68F0310](https://openairdocs.org/ntsb/MIA68F0310), Nov 9, 1967: Beech C-18S (N5181), W.Hollywood, FL, substantial damage ## FAA accident and incident reports None matched to aircraft with this model. ## Service difficulty reports (3) As reported by operators and repair stations, by the model named in the report. - [SDR 2024F00243](https://openairdocs.org/sdr/2024F00243), Sep 10, 2024: FUEL CAP. INSTALLED. PILOT DEPARTED WITH WATER IN FUEL; DUE TO FUEL TANK CAP IMPROPERLY SECURED, AND HEAVY RAIN - [SDR 2011F00002](https://openairdocs.org/sdr/2011F00002), Dec 28, 2010: DRAG BRACE. CRACKED. PILOT, REPORTED A NORMAL LANDING. TAPPED ON BRAKES, RT MLG COLLAPSED. ACFT REMOVED FROM ACTIVE RUNWAY. SECURED & INSPECTED RT MLG. INSPECTION REVEALED FAILURE D - [SDR EY2R9601461](https://openairdocs.org/sdr/EY2R9601461), Mar 1, 1996: HUB. DAMAGED. HUB HAS DEEP DEEP SCRATCHES BETWEEN SPLINES --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.