# N758MM: Eurocopter EC 155 B1

- Status: Valid registration
- Airframe: [Eurocopter EC 155 B1](https://openairdocs.org/model/eurocopter-ec-155-b1) (registry code 8680991, 6 seats)
- Data sheets: [TCDS H10EU](https://openairdocs.org/tcds/H10EU) (Airbus Helicopters) (OpenAirDocs)
- Serial number: 6761
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Certificate issued: May 28, 2019
- Expires: May 31, 2029
- Mode S code: AA38E0
- Registered owners: [Trevor Corp DBA](https://openairdocs.org/faa-owner/TREVOR%20CORP%20DBA), [Eckhart Helicopter Sales](https://openairdocs.org/faa-owner/ECKHART%20HELICOPTER%20SALES)
- Location: [Grayslake, IL](https://openairdocs.org/faa-place/IL/Grayslake)
- Owner type: Corporation
- Owner's area on the map: 42.3351° N, 88.0451° W: Placed by OpenAirDocs at the center of ZIP code 60030, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=758MM
- Page: https://openairdocs.org/aircraft/N758MM

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.

## ADs that may apply (OpenAirDocs): 51 in force

### Matched by airframe (Eurocopter EC 155 B1)

- [AD 2026-16-04](https://openairdocs.org/ad/2026-16-04): Time Limits/Maintenance Checks · Airbus Helicopters EC 155 B and EC 155 B1. Effective Sep 17, 2026
- [AD 2025-24-01](https://openairdocs.org/ad/2025-24-01): Passenger Compartment Windows, Door Windows · Airbus Helicopters EC155B1 and EC 155B. Effective Jan 12, 2026
- [AD 2025-14-07](https://openairdocs.org/ad/2025-14-07): Fire Detection System · Airbus Helicopters AS-365N3, EC 155B and EC155B1. Effective Aug 26, 2025
- [AD 2025-13-09](https://openairdocs.org/ad/2025-13-09): Main rotor control · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 3 more. Effective Aug 14, 2025
- [AD 2025-04-09](https://openairdocs.org/ad/2025-04-09): Bulkhead/Firewall · Airbus Helicopters EC 155B, EC155B1, SA-365N and 3 more. Effective Apr 11, 2025
- [AD 2025-03-02](https://openairdocs.org/ad/2025-03-02): Flight compartment equipment · Airbus Helicopters AS332C, AS332C1, AS332L and 15 more. Effective Mar 7, 2025
- [AD 2023-14-07](https://openairdocs.org/ad/2023-14-07): Main rotor gearbox · Airbus Helicopters EC155B1. Effective Sep 7, 2023
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2022-22-02](https://openairdocs.org/ad/2022-22-02): Placards and Markings, Passenger/Crew Doors · Airbus Helicopters SA-365N, SA-365N1, AS-365N2 and 3 more. Effective Dec 21, 2022
- [AD 2022-13-14](https://openairdocs.org/ad/2022-13-14): Tail Rotor Drive System · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 2 more. Effective Aug 15, 2022
- [AD 2022-11-18](https://openairdocs.org/ad/2022-11-18): Engine Cowling System · Airbus Helicopters AS355E, AS355F, AS355F1 and 7 more. Effective Jul 13, 2022
- [AD 2022-09-04](https://openairdocs.org/ad/2022-09-04): Tail Rotor Drive System · Airbus Helicopters SA-365N1, AS-365N2, AS-365N3 and 3 more. Effective May 31, 2022
- [AD 2022-08-02](https://openairdocs.org/ad/2022-08-02): Engine Controls · Airbus Helicopters EC 155B and EC155B1. Effective May 17, 2022
- [AD 2022-01-03](https://openairdocs.org/ad/2022-01-03): Fire Bottle, Portable · Airbus Helicopters AS332C, AS332C1, AS332L and 35 more. Effective Mar 7, 2022
- [AD 2021-26-18](https://openairdocs.org/ad/2021-26-18): Tail Rotor Drive System · Airbus Helicopters AS-365N2, AS-365N3, SA-365N1 and 5 more. Effective Feb 9, 2022
- [AD 2021-22-16](https://openairdocs.org/ad/2021-22-16): Main Rotor Drive System · Airbus Helicopters EC155B1 and EC 155B. Effective Jan 3, 2022
- [AD 2021-17-17](https://openairdocs.org/ad/2021-17-17): Cabin Equipment/Furnishings · Airbus Helicopters EC135P3, EC135T3, MBB-BK 117 C-2 and 32 more. Effective Nov 22, 2021
- [AD 2021-22-07](https://openairdocs.org/ad/2021-22-07): Fire Bottle, Portable · Airbus A319-111, A319-112, A319-113 and 127 more. Effective Nov 18, 2021
- [AD 2021-18-06](https://openairdocs.org/ad/2021-18-06): Engine Cowling System · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 3 more. Effective Sep 10, 2021
- [AD 2021-12-05](https://openairdocs.org/ad/2021-12-05): Passenger/Crew Doors · Airbus Helicopters EC155B1. Effective Jul 20, 2021
- [AD 2021-07-07](https://openairdocs.org/ad/2021-07-07): Rotorcraft flight control · Airbus Helicopters EC 155B and EC155B1. Effective May 10, 2021
- [AD 2021-05-06](https://openairdocs.org/ad/2021-05-06): Window/Windshield System · Airbus Helicopters AS332C, AS332C1, AS332L and 6 more. Effective Apr 19, 2021
- [AD 2021-02-09](https://openairdocs.org/ad/2021-02-09): Main Rotor Gearbox · Airbus Helicopters EC 155B and EC155B1. Effective Apr 15, 2021
- [AD 2021-02-08](https://openairdocs.org/ad/2021-02-08): Fuselage Structure · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 4 more. Effective Apr 15, 2021
- [AD 2021-02-01](https://openairdocs.org/ad/2021-02-01): Placards and markings · Airbus Helicopters AS-365N2, AS-365N3, AS332C and 7 more. Effective Apr 6, 2021
- [AD 2021-03-06](https://openairdocs.org/ad/2021-03-06): Main Rotor Gearbox · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 3 more. Effective Apr 1, 2021
- [AD 2020-21-15](https://openairdocs.org/ad/2020-21-15): Tail Rotor Gearbox · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 2 more. Effective Dec 7, 2020
- [AD 2020-20-14](https://openairdocs.org/ad/2020-20-14): Rotorcraft Servo System · Airbus Helicopters AS-365N2, AS-365N3, AS355F and 11 more. Effective Oct 23, 2020
- [AD 2020-15-01](https://openairdocs.org/ad/2020-15-01): Attitude and Direction Data System · Airbus Helicopters EC 155B and EC155B1. Effective Aug 17, 2020
- [AD 2016-05-10](https://openairdocs.org/ad/2016-05-10): Life Raft · Airbus Helicopters AS-365N3, EC 155B and EC155B1. Effective Mar 28, 2016
- [AD 2015-11-06](https://openairdocs.org/ad/2015-11-06): Main Rotor Control · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 4 more. Effective Jul 13, 2015
- [AD 2015-10-05](https://openairdocs.org/ad/2015-10-05): Equipment/Furnishing · Airbus Helicopters AS-365N3, EC 155B and EC155B1. Effective Jun 5, 2015
- [AD 2014-26-02](https://openairdocs.org/ad/2014-26-02): Autopilot System · Airbus Helicopters AS-365N3 and EC155B1. Effective Jan 30, 2015
- [AD 2014-02-04](https://openairdocs.org/ad/2014-02-04): Vertical Stabilizer Structure · Airbus Helicopters EC 155B and EC155B1. Effective Mar 7, 2014
- [AD 2013-19-07](https://openairdocs.org/ad/2013-19-07): JASC Code: 2510: Flight Compartment Equipment · Airbus Helicopters AS-365N2, AS-365N3, AS332C and 8 more. Effective Nov 6, 2013
- [AD 2013-12-04](https://openairdocs.org/ad/2013-12-04): Fuel storage · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 4 more. Effective Aug 2, 2013
- [AD 2013-03-02](https://openairdocs.org/ad/2013-03-02): Tail Rotor Head · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 2 more. Effective Feb 27, 2013
- [AD 2012-26-10](https://openairdocs.org/ad/2012-26-10): Main Rotor Gearbox · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 7 more. Effective Feb 13, 2013
- [AD 2012-17-02](https://openairdocs.org/ad/2012-17-02): Cracked main rotor mast nut · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 4 more. Effective Oct 10, 2012
- [AD 2012-16-02](https://openairdocs.org/ad/2012-16-02): Cabin Equipment/Furnishings · Airbus Helicopters EC 155B and EC155B1. Effective Sep 26, 2012
- [AD 2012-15-04](https://openairdocs.org/ad/2012-15-04): Autopilot System · Airbus Helicopters EC155B1. Effective Aug 13, 2012
- [AD 2010-20-20](https://openairdocs.org/ad/2010-20-20): MGB planet gear carrier · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 8 more. Effective Nov 12, 2010
- [AD 2010-19-05](https://openairdocs.org/ad/2010-19-05): Tail rotor · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 2 more. Effective Oct 27, 2010
- [AD 2010-06-07](https://openairdocs.org/ad/2010-06-07): Rotorcraft Flight Control · Airbus Helicopters AS-365N2, AS-365N3, AS332C and 14 more. Effective Apr 21, 2010
- [AD 2009-22-04](https://openairdocs.org/ad/2009-22-04): Freezing of the route display on the navigation display (ND) in the Sector mode · Airbus Helicopters EC 155B and EC155B1. Effective Nov 12, 2009
- [AD 2009-06-01](https://openairdocs.org/ad/2009-06-01): SUMMARY: Short circuit generated sufficient heat to ignite the paint on the cooler support cowling near the hoist cut-off connector "24 Delta.'' · Airbus Helicopters EC 155B and EC155B1. Effective Mar 31, 2009
- [AD 2004-16-15 R1](https://openairdocs.org/ad/2004-16-15-R1): Main gearbox (MGB) base plate · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 4 more. Effective Aug 30, 2006
- [AD 2006-06-01](https://openairdocs.org/ad/2006-06-01): Electrical cable bundle · Airbus Helicopters EC 155B and EC155B1. Effective Apr 18, 2006
- [AD 2005-13-23](https://openairdocs.org/ad/2005-13-23): Hydraulic brake hose (hose) · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 3 more. Effective Jul 29, 2005
- [AD 2004-15-11](https://openairdocs.org/ad/2004-15-11): Auxiliary System Unit (ASU) Board · Airbus Helicopters EC 155B and EC155B1. Effective Sep 3, 2004

### Historical (superseded or no longer in force)

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021
- [AD 2021-11-03](https://openairdocs.org/ad/2021-11-03) (historical): Engine Cowling System · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 3 more. Effective Jul 15, 2021
- [AD 2021-05-05](https://openairdocs.org/ad/2021-05-05) (historical): Tail Rotor · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 3 more. Effective Apr 16, 2021
- [AD 2020-21-01](https://openairdocs.org/ad/2020-21-01) (historical): Tail Rotor Drive System · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 2 more. Effective Nov 12, 2020
- [AD 2018-19-01](https://openairdocs.org/ad/2018-19-01) (historical): Rotorcraft tail boom · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 3 more. Effective Oct 22, 2018
- [AD 2016-23-05](https://openairdocs.org/ad/2016-23-05) (historical): Tail Rotor Gearbox · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 3 more. Effective Dec 12, 2016
- [AD 2015-26-01](https://openairdocs.org/ad/2015-26-01) (historical): Placards and Markings · Airbus Helicopters AS-365N2, AS-365N3, AS332C1 and 5 more. Effective Jan 26, 2016
- [AD 2013-18-01](https://openairdocs.org/ad/2013-18-01) (historical): Main Rotor Control · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 4 more. Effective Oct 18, 2013
- [AD 2012-19-09](https://openairdocs.org/ad/2012-19-09) (historical): Tail Rotor Head · Eurocopter France AS-365N2, AS-365N3, EC 155B and 2 more. Effective Oct 10, 2012
- [AD 2007-25-08](https://openairdocs.org/ad/2007-25-08) (historical): T/R gearbox (TGB) · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 3 more. Effective Jan 14, 2008
- [AD 2006-09-10](https://openairdocs.org/ad/2006-09-10) (historical): Pitch control rod assembly double bearing (bearing) · Airbus Helicopters AS-365N2, AS-365N3, EC 155B and 3 more. Effective May 18, 2006
- [AD 2005-03-09](https://openairdocs.org/ad/2005-03-09) (historical): Main gearbox (MGB) planet gear · Eurocopter France AS-365N2, AS-365N3, EC 155B and 8 more. Effective Mar 1, 2005
- [AD 2004-16-15](https://openairdocs.org/ad/2004-16-15) (historical): Main gearbox (MGB) · Eurocopter France AS-365N2, AS-365N3, EC 155B and 4 more. Effective Sep 3, 2004

All 64: https://openairdocs.org/aircraft/N758MM/ads.md

## Information bulletins (advisory) (4 in force)

- [SAIB SW-15-07](https://openairdocs.org/saib/SW-15-07): Rotor Drive-Tail Rotor Drive Flange Shur-Lok Nut Inspection. Issued Dec 30, 2014
- [SAIB SW-08-30R2](https://openairdocs.org/saib/SW-08-30R2): Inadvertent Deployment of Crash Position Indicator (CPI) Beacon. Issued Jul 1, 2008
- [SAIB SW-07-10](https://openairdocs.org/saib/SW-07-10): Sensor lock-wire. Issued Nov 6, 2006
- [SAIB SW-05-01](https://openairdocs.org/saib/SW-05-01): . Issued Oct 7, 2004
- [SAIB SW-08-30R1](https://openairdocs.org/saib/SW-08-30R1) (historical): Inadvertent Deployment of Crash Position Indicator (CPI) Beacon. Issued Jun 30, 2008

## NTSB investigations

None matched to N758MM.

## FAA accident and incident reports

None matched to N758MM.

## 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) (19)

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 airframe (Eurocopter EC 155 B1)

- [STC SR09498RC-D](https://openairdocs.org/stc/SR09498RC-D): Activation of Eurocopter France Provisions of GPS with WAAS Vertical Guidance. Airbus Helicopters Inc
- [STC SR00925DE](https://openairdocs.org/stc/SR00925DE): Installation of Garmin GTX 335/335R and GTX345/345R transponders to provide ADS-B Out and In functionality. Peregrine
- [STC SH7024SW-D](https://openairdocs.org/stc/SH7024SW-D): Relocation of the aircraft dataplate. Airbus Helicopters Inc
- [STC SR09634RC](https://openairdocs.org/stc/SR09634RC): Installation of a Balloon Pump Restraint System (BPRS). JJASPP Engineering Services LLC
- [STC SR04147NY](https://openairdocs.org/stc/SR04147NY): Installation of Concorde (p/n RG-365) Lead Acid battery. DECA Aviation Engineering Limited
- [STC SR01717SE](https://openairdocs.org/stc/SR01717SE): Manufacture and installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc
- [STC SR09597RC](https://openairdocs.org/stc/SR09597RC): Installation of a Flight Data System. North Flight Data Systems LLC
- [STC SR00529NY](https://openairdocs.org/stc/SR00529NY): Installation of a three or four place divan and optional single seats. RSG AeroDesign LLC
- [STC SR00530NY](https://openairdocs.org/stc/SR00530NY): Installation of a cocoon wall panel system. Texas Aviation Services
- [STC SR09407RC](https://openairdocs.org/stc/SR09407RC): Installation of forward and aft facing couch. Texas Aviation Services
- [STC SR09282RC-D](https://openairdocs.org/stc/SR09282RC-D): Installation of a Honeywell Enhanced Ground Proximity Warning System. American Eurocopter Corporation
- [STC SR09290RC-D](https://openairdocs.org/stc/SR09290RC-D): Installation of horizontal tip position/anti-collision strobe lights. American Eurocopter Corporation
- [STC SR09281RC-D](https://openairdocs.org/stc/SR09281RC-D): Installation of a Garmin Global Positioning System (GPS) 500. American Eurocopter Corporation
- [STC SH5866SW](https://openairdocs.org/stc/SH5866SW): Installation of forward facing recognition lights. DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SH5867SW](https://openairdocs.org/stc/SH5867SW): Installation of tail floodlights. DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SH7579SW](https://openairdocs.org/stc/SH7579SW): Installation of a rotor disc light. DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SH8804SW-D](https://openairdocs.org/stc/SH8804SW-D): Installation of a Universal Navigation UNS-1C Flight Management System for IFR enroute and non-precision approaches. American Eurocopter Corporation
- [STC SH4747SW-D](https://openairdocs.org/stc/SH4747SW-D): Installation of exterior markings. American Eurocopter Corporation
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International

## Related

- Other Eurocopter EC 155 B1 aircraft: https://openairdocs.org/model/eurocopter-ec-155-b1/aircraft.md

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