Aircraft record

N137H1996 Eurocopter Deutschland Gmbh BO 105S

DeregisteredUnclaimedSource: FAA, updated Oct 19, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Jun 22, 2010.

Safety record in brief:No NTSB accidents or incidents since 198214 ADs may apply

Registration: Deregistered
Last based in: Wilmington, DE; owner city / state
Engine: 250-C20B · 420 hp; Allison
Owners: 1; since 2009
NTSB events: None; since 1982
ADs may apply: 14; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 19, 2026

Last registered owner: Asia Helicopters INC
Owner type: Corporation
City, state: Wilmington, DE
Certificate issued: Feb 6, 2009
Canceled: Jun 22, 2010
Airworthiness: Standard · Normal
Airworthiness date: Apr 25, 2009

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer: Eurocopter Deutschland Gmbh
Model: BO 105S
Year: 1996
Serial number: S908
Aircraft type: Rotorcraft
Category: Land
Certification: Type Certificated
Seats: 6
Engines: 1
Max takeoff weight: Up to 12,499 lb
Type certificate data sheet: H3EU
Mode S code: A095E1

Engine

Make and model: Allison 250-C20b
Type: Turbo-shaft
Power: 420 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records

2009 – 2010Asia Helicopters INCWilmington, DE
2005International Aviation Support INCCarrollton, TX · different airframe: 1989 Embraer Emb-120rt S/N 120.137
Date unknownIndividual ownerdifferent airframe: Douglas Dc3d-R-1830-90c S/N 42965

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 19, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

ADs published since 1998 that may apply (14)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

AD	Subject	Effective	Applies to
2022-24-07	Airbus Helicopters Deutschland GmbH (AHD) (Type Certificates Previously Held by…	Jan 6, 2023	Airframe (BO 105S)Only with: Includes BO-105LS A-3 helicopters modified in accordance with STC SR00043RD.
2021-07-08	Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter…	Apr 30, 2021	Airframe (BO 105S)Only with: With M/R mast P/N 4619 305 032 of M/R mast assembly P/N 4638 205 005, or M/R mast P/N 4639 305 002 of M/R mast assembly P/N 4639 205 017 installed (reinforced mast P/N 4639 305 095 not affected).
2021-05-07	Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter…	Apr 16, 2021	Airframe (BO 105S)Only with: Model BO-105A, BO-105C, and BO-105S helicopters only with voltage regulator P/N 51565-000, 51565-000R, or 51509-002R installed; MBB-BK 117 models apply unconditionally.
2017-05-03	Airbus Helicopters Deutschland GmbH (Airbus Helicopters) (Previously Eurocopter…	Mar 17, 2017	Airframe (BO 105S)Only with: With main rotor blade P/N 105-15103, 105-15141, 105-15141V001, 105-15143, 105-15150, 105-15150V001, 105-15152, 105-81013, 105-87214, 1120-15101, or 1120-15103 with less than 200 hours TIS since erosion protective shell last replaced, where shell was last replaced between December 1, 2010 and February 28, 2015 inclusive or replacement date is unknown.
2015-19-14	Airbus Helicopters Deutschland GmbH (formerly Eurocopter Deutschland GmbH) (Airbus…	Nov 3, 2015	Airframe (BO 105S)Only with: Mann oil filter P/N 6140063321 or Purolator oil filter P/N 1740001-13 installed.

Show all 14 ADs

AD	Subject	Effective	Applies to
2013-20-17	Eurocopter Deutschland GmbH (ECD) Helicopters	Dec 13, 2013	Airframe (BO 105S)Only with: Applies to BO105C (C-2 and CB-2 variants) and BO105S (CS-2 and CBS-2 variants) with third stage turbine wheel P/N 23065833 installed.
2013-16-13	Eurocopter Deutschland GmbH Helicopters	Sep 27, 2013	Airframe (BO 105S)Only with: With specified tail rotor control lever and tail rotor balance weight part numbers installed (varies by model: BO-105A/C/S/LS A-1 levers P/N 105-317231, 105-317365, 105-31736, 105-31767, 105-31728, 1121-31730 with weights P/N 117-31715.01, 117-31715.02, 105-31728.03, 105-31732.07, 105-31732.08; BO-105LS A-3 levers P/N 105-31736, 105-31767 with weights P/N 117-31715.01, 117-31715.02, B642M1011 201, 105-317171.10; MBB-BK 117 levers P/N 117-31730, 117-317361, 105-31736 with weights P/N 117-31714.07, 117-31715.01, 117-31720.01, 117-31730.02).
2013-16-06	Eurocopter Deutschland GmbH Helicopters	Sep 13, 2013	Airframe (BO 105S)Only with: Main rotor blade P/N 105-15103, 105-15141, 105-15141V001, 105-15143, 105-15150, 105-15150V001, 105-15152, 105-81013, 105-87214, 1120-15101, or 1120-15103 installed, with the erosion protective shell (abrasion strip) replaced between September 1, 2006 and March 31, 2010, inclusive.
2013-11-15	Eurocopter Deutschland GmbH Helicopters	Jul 26, 2013	Airframe (BO 105S)Certain serial numbers: EC135 P1 0005–0699; EC135 P2 0005–0699; EC135 P2+ 0005–0699; EC135 T1 0005–0699; EC135 T2 0005–0699; EC135 T2+ 0005–0699; …. Only with: BO-105A/C/S/LS A-1 with cantilever assembly P/N 105-40132 or 105-40139; BO 105 LS A-3 with cantilever assembly P/N 105-40139; EC135 (excluding S/Ns 0076, 0093, 0098, 0099, 0102, 0104, 0106, 0108, 0110, 0111, 0113, 0114, 0116, 0117, 0119) with cyclic stick locking device P/N L670M1045101/-102/-104/-105/-106/-107 and pin P/N L311M1038205 or L311M1099205; MBB-BK117 A-1 through C-1 with cyclic stick holder assembly P/N 117-41140-01, 117-41230-01 or 117-41230-03; MBB-BK117 C-2 with cyclic stick locking device P/N B856M1011101 and pin P/N L311M1038205 or L311M1099205 installed.
2006-16-04	Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division…	Sep 7, 2006	Engine (250-C20B)
2006-13-06	Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division…	Jul 26, 2006	Engine (250-C20B)Only with: Engines with gas producer rotor assembly tie bolt P/Ns A23008020, E23008020 (EXTEX), 23008020, 6843388, 6876991 (RRC), A23008020 (SAP), or 23008020P (Pacific Sky Supply) installed.
2005-10-13	Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E…	Jun 22, 2005	Engine (250-C20B)Only with: Engines that do not have turbine energy absorbing ring RRC P/N 23035175, or an equivalent FAA-approved serviceable ring, installed.
2000-17-08	Eurocopter Deutschland GMBH Model BO-105A, BO-105C, BO-105 C-2, BO-105 CB-2, BO-105…	Aug 28, 2000	Airframe (BO 105S)Only with: Rotor tension-torsion (TT) strap P/N 2604067 (Bendix) or J17322-1 (Lord) installed.
96-08-04	Eurocopter Deutschland GmbH (ECD) Model BO-105, BO-105A, BO-105C, BO-105S, and BO-105LS…	May 22, 1996	Airframe (BO 105S)Only with: Tandem hydraulic unit P/N 105-45021, 105-45023, or 105-45028 with valve body manifolds D133-756, D133-756E, ZE1-126-I, ZE2-126, or ZE2-126-1 installed on Hydraulic System 1 or 2.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (0)

No Service Difficulty Reports found for this airframe since 1995.

Sources

FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 19, 2026
NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 19, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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