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1974 Messerschmitt BO105CBS4Turbine Helicopter • Palmer, AK, USA

This 1974 Messerschmitt BO105CBS4, registered as N911AN, presents a highly modified twin-engine helicopter with significant STC enhancements that expand its operational capabilities. The aircraft features a 10-inch cabin extension, increased maximum gross weight, and high skid gear with VIP boarding steps. With 16,208.8 hours total time on the airframe and 63,920 landings, it is powered by two Rolls Royce 250-C20B turboshaft engines producing 420 SHP each. Engine 1 shows 3,180.6 hours total time with 2,335.5 hours SMOH, while Engine 2 has 18,911.0 hours total time with 713.7 hours SMOH, both operating on a 3,500-hour TBO.

The helicopter's...

Year: 1974

Make: Messerschmitt

Series: BO105

Model: BO105CBS4

Tail #: N911AN

Serial #: S-156

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Specifications

Category: Turbine Helicopter

Intended Use: Business, Passenger, Utility

Flight Rules: IFR

Seats: 5

Hours, Logs & Inspections

Total Time: 16,208.8 hrs

Engine 1 Time: 3,180.6 hrs (SNEW)

Engine 2 Time: 18,911 hrs (SNEW)

Inspection Status: 12 Month Airframe Inspection done 5/25 (due 5/31/26), 12 Month ELT Inspection done 05/25 (due 05/31/26), All Airworthiness Directives complied with

Avionics

GPS

Garmin GNS 430 - GNS GPS

Comms

Bendix/King KY-196A - VHF Comm, VHF/FM Transceiver

Autopilot

Audio

Garmin GMA 350H - GMA com) Audio Panel

Weather

Traffic

Garmin GTX 345 - GTX Transponder w/ WAAS, ADS-B in/out, Traffic

ADS-B Out

Garmin GTX 345 - GTX Transponder w/ WAAS, ADS-B in/out, Traffic

ADS-B In

Garmin GTX 345 - GTX Transponder w/ WAAS, ADS-B in/out, Traffic

PFD

Aspen 1000H - Avionics PFD

MFD

EMS/EIS

Additional Equipment

ELT

ACK E-04 - ACK ELT

Radar Altimeter

Bendix/King KI-250 - Radar Altimeter

Anti-Collision Lights

Whelen - High Intensity Anti-Collision Lights

Searchlight

Aeronautical Accessories - Retractable Searchlight

Engine Anti-Ice System

Manual Engine Anti-Ice System

Cabin Extension

Ten Inch Cabin Extension

Boarding Steps

VIP Boarding Steps

USB Charging Port

USB/USB-C Charging Port w/ Digital Display

Fire Extinguisher

Tow Bar

Custom Tow Bar

Ground Handling Wheels

Rotor Tie Downs

Rotor Tie Downs and Inlet/Exhaust Covers

Fuselage Covers

Full Fuselage and Blade Covers

Interior & Exterior

Interior Notes: Full Custom 5 Seat Interior with Premium Leather Seats, Adjustable Co-Pilot Seat, Rear Foldable Bench Seat, Custom Leather Seating, Rear Entry Clamshell Doors