N4573BMesserschmitt-Boelkow-Blohm BO-105S
This N-number isn't registered right now. Below is its last known registration, canceled May 11, 2024.
Safety record in brief:No NTSB accidents or incidents since 1982No ADs since 1998 matched28 service difficulty reports
- Registration
- Deregistered
Registration
FAA Aircraft Registry · Oct 17, 2026- Last registered owner
- Hp Aviation INC
- Owner type
- Corporation
- City, state
- Oldsmar, FL
- Canceled
- May 11, 2024
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 dataAirframe
- Manufacturer
- Messerschmitt-Boelkow-Blohm
- Model
- BO-105S
- Serial number
- S673
- Aircraft type
- Rotorcraft
- Category
- Land
- Certification
- Type Certificated
- Seats
- 5
- Engines
- 2
- Max takeoff weight
- Up to 12,499 lb
- Type certificate data sheet
- H3EU
- Mode S code
- A58EE0
Engine
- Type
- Turbo-shaft
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- until 2024Hp Aviation INCOldsmar, FL
- until 1955Cessna Aircraft CompanyWichita, KS · different airframe: Cessna 180 S/N 31472
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
Accident history for this modelADs published since 1998 that may apply (0)
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.
No ADs published since 1998 matched this airframe or engine model.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (28)
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.
- Communications · faceplate · damagedDec 11, 2002
FACEPLATE BAD. FOUND LIGHT PANEL, VOLUME AND SELECTOR KNOBS, SWITCHES S6, S10, AND S11 BAD. REPLACED, REPAIRED. BENCH CHECK GOOD.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Main rotor · blade · erodedMay 24, 2002
THE OUTBOARD ABRASION STRIP ON MAIN ROTOR BLADE HAS EROSION HOLE.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine · nozzle · crackedAug 31, 1999
ENGINE REMOVED DUE TO 3,500 HOUR OVERHAUL. UPON INSPECTION OF TURBINE PARTS NOTED THE FOLLOWING: CRACKED VANES ON NR 1 NOZZLE. INSTALLED NEW PART.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reportsShow fewer reports
- Communications · transceiver · inoperativeJul 12, 1999
INOPERATIVE. WILL NOT COME ON. PERFORMED PRELIMINARY INSPECTION. FOUND UNIT TO BE DRAWING CURRENT, BUT ALL POWER SUPPLY VOLTAGES ARE LOW.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuel · transducer · reads lowJan 25, 1999
TRANSDUCER READS EXCESSIVLEY LOW.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine indicating · indicator · fluctuatedNov 6, 1998
OIL INDICATION FLUCTUATES, NR 1 NEEDLE STICKS AT ZERO.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Fuel · transducer · failedNov 6, 1998
TRANSDUCER - OUTPUT DOES NOT CHANGE WITH PRESSURE APPLIED.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Tail rotor drive · drive shaft · crackedNov 5, 1998
CRACKS AND FLAKING ON INBOARD JOURNAL FLAME SPRAY COATING.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine fuel and control · fuel control · out of adjustSep 11, 1998
ON FIRST START AFTER INSTALLATION IN THE AIRCRAFT, TOT ROSE RAPIDLY. FOUND START/ACCEL AND START/DERICH ADJUSTMENTS TURNED TO MINIMUM, NO MORE ADJUSTMENT AVAILABLE. RECEIVED UNIT IN SHOP WITH START DERICHMENT AND START ACCELERATION ADJUSTMENTS BOTH ADJUSTED TO THE CCW STOP. TESTED UNITS START…
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine fuel and control · servomotor · failedAug 28, 1998
SERVO MOTOR WILL NOT ACTUATE, FILTER SHORTED TO GROUND.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Showing the 10 most recent of 28 reports.
Sources
- FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026