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Aircraft record

N550SL1987 Eurocopter Deutschland Gmbh MBB-BK 117-B2

DeregisteredUnclaimedSource: FAA, updated Oct 16, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Aug 18, 2011.

Safety record in brief:No NTSB accidents or incidents since 198213 ADs may apply2 service difficulty reports

Registration
Deregistered
Last based in
Englewood, CO
owner city / state
Engine
LTS-101 SER · 317 hp
Lycoming
Owners
1
since 2010
NTSB events
None
since 1982
ADs may apply
13
confirm with A&P
Service reports
2
since 1995

Registration

FAA Aircraft Registry · Oct 16, 2026
Last registered owner
Air Methods Corp
Owner type
Corporation
City, state
Englewood, CO
Certificate issued
May 13, 2010
Canceled
Aug 18, 2011
Airworthiness
Standard · Normal
Airworthiness date
Nov 18, 1998

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
MBB-BK 117-B2
Year
1987
Serial number
7139
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
4
Engines
1
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
H13EU
Mode S code
A70106

Engine

Make and model
Lycoming Lts-101 Ser
Type
Turbo-shaft
Power
317 hp

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

Ownership history

Ownership history from FAA records
  1. 2010 – 2011Air Methods CorpEnglewood, CO

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 16, 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 (13)

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.

ADSubjectEffectiveApplies to
2021-05-07Airbus Helicopters Deutschland GmbH (Type Certificate Previously Held by Eurocopter…Apr 16, 2021Airframe (MBB-BK 117-B2)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.
2019-05-05Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) HelicoptersApr 17, 2019Airframe (MBB-BK 117-B2)Only with: Main rotor (M/R) mast assembly part number 4639 205 011 installed.
2016-01-14Airbus Helicopters Deutschland GmbH (Previously Eurocopter Deutschland GmbH) HelicoptersFeb 25, 2016Airframe (MBB-BK 117-B2)
2013-16-13Eurocopter Deutschland GmbH HelicoptersSep 27, 2013Airframe (MBB-BK 117-B2)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).
2013-11-15Eurocopter Deutschland GmbH HelicoptersJul 26, 2013Airframe (MBB-BK 117-B2)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.
Show all 13 ADs
ADSubjectEffectiveApplies to
2012-13-11Eurocopter Deutschland GmbH HelicoptersAug 7, 2012Airframe (MBB-BK 117-B2)Serial numbers per Appendix 1 of Able Engineering & Component Services Alert Service Bulletin No. 2012-001, Revision IR, dated March 7, 2012. Only with: Tail rotor pitch link P/N 117-31821, 117-31822, or B642M1018101 with a serial number listed in Appendix 1 of Able ASB No. 2012-001 installed.
2001-22-07Honeywell International, Inc. LTP 101 Series Turboprop and LTS101 Series Turboshaft…Nov 30, 2001Engine (LTS-101 SER)Only with: Rigid tube fuel manifolds P/N 4-301-042-02, -04, -05, -06, 4-301-236-01, -02, -03, -04, 4-301-286-01, -02, or 4-301-376-01 installed.
2000-26-06Eurocopter Deutschland GMBH Model MBB-BK 117 HelicoptersFeb 26, 2001Airframe (MBB-BK 117-B2)
2000-08-16Eurocopter Deutschland GMBH Model MBB-BK 117 A-1, A-3, A-4, B-1, B-2, and C-1 HelicoptersJun 2, 2000Airframe (MBB-BK 117-B2)Certain serial numbers: 7001–7253; 7500–7523. Only with: With transmission door cowling LH P/N 117-23206-51 or 117-233731, RH P/N 117-23206-52 or 117-233741, and engine door cowling LH P/N 117-23303-51 or 117-23303-53, RH P/N 117-23303-52 or 117-23303-54 installed.
98-24-13Eurocopter Deutschland GmbH (ECD) (Eurocopter) Model MBB-BK117 A-1, A-3, A-4, B-1, B-2…Dec 4, 1998Airframe (MBB-BK 117-B2)
97-23-07Eurocopter Deutschland GmbH Model MBB- BK 117 A-1, A-3, A-4, B-1, B-2 and C-1 HelicoptersNov 5, 1997Airframe (MBB-BK 117-B2)Certain serial numbers: MBB-BK 117 A-1 7001–7250; MBB-BK 117 A-3 7001–7250; MBB-BK 117 A-4 7001–7250; MBB-BK 117 B-1 7001–7250; MBB-BK 117 B-2 7001–7250; MBB-BK 117 C-1 7500–7520. Only with: With clutch P/N 4639302044 or P/N CL42067-1 installed.
96-12-27AlliedSignal Inc. (formerly Textron Lycoming) LTS 101 Series Turboshaft and LTP 101…Aug 19, 1996Engine (LTS-101 SER)
95-21-12Eurocopter Deutschland GmbH (ECD) Model MBB-BK 117 A-1, A-3, A-4, B-1, B-2, and C-1…Nov 20, 1995Airframe (MBB-BK 117-B2)

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

Service Difficulty Reports (2)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Fuselage · skin · damagedFeb 11, 2011

    DURING VISUAL INSPECTION FOUND A HOLE IN THE BELLY OF THE AIRCRAFT CENTERLINE JUST FORWARD OF THE REAR CROSSTUBE AREA. HOLE IS 26MM IN DIAMETER.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine indicating · transducer · failedAug 8, 2003

    APPROXIMATELY 305 MINUTES AFTER TAKEOFF, NR 2 TORQUE INDICATOR FAILED. ALL OTHER INSTRUMENTS WERE INDICATING NORMAL. REMOVED AND REPLACED PRESSURE TRANSDUCER. OPERATION CHECKS GOOD. (M)

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

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

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