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Aircraft record

N397AL1990 Bell 412

Registration validUnclaimedSource: FAA, updated Oct 19, 2026

Safety record in brief:No NTSB accidents or incidents since 198221 ADs may apply13 service difficulty reports

Registration
Valid
expires Jun 30, 2033
Based in
Wilmington, DE
owner city / state
Engine
PT6 SERIES · 500 hp
P&W
Owners
1
since 2026
NTSB events
None
since 1982
ADs may apply
21
confirm with A&P
Service reports
13
since 1995

Registration

FAA Aircraft Registry · Oct 19, 2026
Registered owner
Vertol Systems Co LLC
Owner type
LLC
City, state
Wilmington, DE
Certificate issued
Jun 15, 2026
Expires
Jun 30, 2033
Airworthiness
Standard · Transport
Airworthiness date
May 23, 2006

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
Bell
Model
412
Year
1990
Serial number
36012
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
15
Engines
2
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
H4SW
Mode S code
A49CD5

Engine

Make and model
P&W Pt6 Series
Type
Turbo-shaft
Power
500 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. 2026 – nowVertol Systems Co LLCWilmington, DE · current

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.

Accident history for this model

ADs published since 1998 that may apply (21)

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
2024-16-01Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron, Inc.)…Sep 4, 2024Airframe (412)Only with: Models 205A, 205A-1, 205B with upper left-hand cap angle P/N 205-030-207-005 installed; Models 212, 412, 412CF, 412EP with cap angle P/N 212-030-191-001 installed.
2020-22-07Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.)…Nov 18, 2020Airframe (412)
2020-16-10Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.)…Sep 3, 2020Airframe (412)Only with: Shoulder harness seat belt comfort clip P/N D7LZ-6560286-A, D7LZ-6560286-B, or 504636-401 installed.
2020-02-11Bell Helicopter Textron Inc. HelicoptersMar 17, 2020Airframe (412)Certain serial numbers: 33001–33213; 34001–34036; 36001–36648; 36650–36657; 36660–36672; 36674–36680; …. Only with: Static inverter P/N 412-375-079-101 or 412-375-079-103 with inverter S/N 29145 or higher installed.
2019-09-02Bell Helicopter Textron, Inc. (Bell) HelicoptersJun 4, 2019Airframe (412)Only with: With engine oil check valve P/N 209-062-520-001 or fuel check valve P/N 209-062-607-001 manufactured by Circor Aerospace, marked "Circle Seal", with manufacturing date code 10/11 through 03/15, installed; except check valves marked "TQL" next to the date code.
Show all 21 ADs
ADSubjectEffectiveApplies to
2018-16-14Bell Helicopter Textron Inc., HelicoptersOct 4, 2018Airframe (412)Only with: Emergency flotation system (EFS) tube assembly P/N 412-073-820-101 with a date of manufacture before July 28, 2016, or an unknown date of manufacture installed.
2013-20-18Bell Helicopter Textron, Inc. (Bell) HelicoptersNov 29, 2013Airframe (412)Only with: Main rotor yoke assembly P/N 412-010-101-123, -127, -129, or -133 installed (Models 412/412EP); P/N 412-010-101-127 or -129 installed (Model 412CF).
2013-16-16Agusta S.p.A. and Bell Helicopter Textron HelicoptersSep 17, 2013Airframe (412)Only with: DART Aerospace Ltd. high gear aft crosstube P/N D412-664-203 installed under STC No. SR01298NY.
2013-15-02Bell Helicopter Textron HelicoptersAug 14, 2013Airframe (412)Only with: Tail rotor blade assembly P/N 210-010-001-(all dash numbers) or 212-010-750-(all dash numbers) installed.
2013-05-14Bell Helicopter Textron, Inc.Apr 26, 2013Airframe (412)Only with: Swashplate outer ring assembly P/N 412-010-407-105 installed.
2012-22-11Bell Helicopter Textron HelicoptersDec 20, 2012Airframe (412)Certain serial numbers: 412 33001–33213; 412 34001–34036; 412 36001–on; 412EP 33001–33213; 412EP 34001–34036; 412EP 36001–on; …. Only with: With a collective lever P/N 412-010-408-101 installed.
2012-22-06Aeronautical Accessories, Inc., High Landing Gear Forward Crosstube AssemblyDec 14, 2012Airframe (412)Only with: Aeronautical Accessories, Inc. high landing gear forward crosstube assembly P/N 212-321-103 installed
2012-11-13Aeronautical Accessories, Inc., High Landing Gear Aft Crosstube AssemblyJul 30, 2012Airframe (412)Only with: Aeronautical Accessories, Inc. High Landing Gear Aft Crosstube Assembly P/N 412-321-104 or P/N 412-321-304 installed.
2011-12-08Bell Helicopter Textron, Inc. Model 205A, 205A-1, 205B, 212, 412, 412CF, and 412EP…Jul 5, 2011Airframe (412)Only with: Tail rotor blade P/N 212-010-750 (all dash numbers) installed, all blade S/Ns except those with prefix "A" and number 17061 or larger.
2010-10-16Bell Helicopter Textron (Bell) Model 205A, 205A-1, 205B, 212, 412, 412EP, and 412CF and…Jun 8, 2010Airframe (412)Only with: AAI Low Skid Landing Gear Forward Crosstube P/N 212-320-103 with S/N prefix "AA" and S/N 574 through 628 installed.
2007-19-53Bell Helicopter Textron, Inc. Model 204B, 205A, 205A-1, 205B, 210, 212, 412, 412EP, and…Dec 5, 2007Airframe (412)Only with: Applies only with a tail rotor blade installed having one of these P/N and S/N: 204-011-702-015 (AFS-12703, AFS-12893, AFS-23525, AFS-23573); 204-011-702-121 (A-22020); 212-010-750-105FM (A-10090, A-10836, A-11207, A-11332); 212-010-750-113 (A-14953, A15090, CS-12702); 212-010-750-113FM (A-12240, A-12296, A-12640, A-12670, A-12789, A-13033, A-13096, A-13134, A-13199, A-13264, A-13366); 212-010-750-133 (A15602).
2002-09-04Bell Helicopter Textron, Inc. Model 205A, 205A-1, 205B, 212, 412, 412EP, and 412CF…Jun 7, 2002Airframe (412)Only with: Tail rotor blade P/N 212-010-750-009, -011, -105, -107, -109, or -111 installed, with blade S/N prefix ATR or A3, or prefix A with number less than or equal to 11529.
2001-13-01Bell Helicopter Textron, Inc. Model 205A-1, 205B, 212, 412, 412EP, and 412CF HelicoptersAug 1, 2001Airframe (412)
2001-09-11Bell Helicopter Textron, Inc. Model 412 Helicopters and Agusta S.p.A. Model AB412…Jun 11, 2001Airframe (412)Only with: Tail rotor yoke assembly P/N 212-011-702 (all dash numbers) installed.
99-23-23Bell Helicopter Textron, Inc. Model 412, 412EP and 412CF HelicoptersDec 1, 1999Airframe (412)Certain serial numbers: 412 33001–33213; 412 34001–34036; 412 36001–36204; 412EP 33001–33213; 412EP 34001–34036; 412EP 36001–36204; …. Only with: Main rotor yoke assembly P/N 412-010-101-123 or 412-010-101-127 installed.
97-11-04Bell Helicopter Textron, Inc. Model 412 and 412EP HelicoptersMay 20, 1997Airframe (412)Only with: Main rotor mast P/N 412-040-101-105, -109, -117, -121, -125, -127, or -129 and main rotor spline plate P/N 412-010-167-105 or 412-010-177-101, -105, -109, -113, or -117 installed.

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

Service Difficulty Reports (13)

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.

  • Engine · housing · crackedOct 18, 2012

    ON INSPECTION, AN OIL LEAK WAS DISCOVERED IN THE COMBINED GEARBOX AREA. ON FURTHER INSPECTION THE NR 1 ENGINE CHIP DETECTOR HSG ATTACHED TO THE GEARBOX WAS FOUND CRACKED.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · frame · crackedFeb 2, 2011

    FRAME WAS FOUND CRACKED AT APPROX STA 78 IN TAILBOOM ABOVE BAGGAGE COMPARTMENT.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Main rotor · blade · delaminatedJan 28, 2011

    M/R BLADE T/E "WEDGE" CAME DEBONDED. REMOVED REMAINING PORTION OF WEDGE AND TOUCHED UP PAINT IAW MFG PRODUCT SUPPORT ENGINEERING.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 10 reports
  • Fuselage · bulkhead · crackedJan 28, 2011

    FOUND .5 IN CRACK IN BULKHEAD ASSY LOCATED AT APPROX STA 185 IN TAILBOOM. CRACK WAS IN THE CTR RT PORTION OF THE FRAME.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Rotor flight controls · control cable · bindingSep 3, 2010

    ON APPROCH, THE COLLECTIVE STUCK AT APPROX 50 PERCENT TORQUE. PILOT WAS ABLE TO FORCE COLLECTIVE TO BREAK IT FREE. PROBLEM WAS CAUSED BT A N2 CONTROL CABLE SEIZEING UP CAUSING THE SHEAR RIVET TO SHEAR.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · crosstube · corrodedAug 13, 1998

    DURING 12-MONTH INSPECTION, FOUND CORROSION PITTING IN CROSS TUBE BEYOND LIMITS.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Fuselage · work deck · separationJul 6, 1995

    DAILY INSPECTION FOUND WORK DECK PANELS TOP SKIN SEPARATED OVER A LARGE AREA. ALSO, UNDERSIDE OF PANEL IS SWELLED. SUSPECT CAUSED BY PROLONGED EXPOSURE TO HIGH TEMPERATURES.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Nacelles and pylons · firewall · corrodedJul 6, 1995

    DURING REPLACEMENT OF ENGINE SERVICE DECK, FOUND THE STRAPS ON UPPER FIREWALL WHERE THE AIR MANAGEMENT SYSTEM BOLTS ON, HAD SEVERE CORROSION. CAUSED BY ALUMINUM BEING SANDWICHED BETWEEN STAINLESS STEEL. SUSPECT CAUSED DISSIMILAR METAL CORROSION.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Nacelles and pylons · firewall · corrodedJul 6, 1995

    DURING REPLACEMENT OF WORK DECK/ENGINE DECK, FOUND SEAL RETAINERS CORRODED. ALUMINUM RETAINERS ON STAINLESS STEEL PARTS.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Nacelles and pylons · firewall · corrodedJul 6, 1995

    DURING REPLACEMENT OF ENGINE DECK/WORK DECK, FOUND SEAL RETAINERS CORRODED. ALUMINUM RETAINERS RIVETED TO STAINLESS STEEL PARTS.

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

Showing the 10 most recent of 13 reports.

Related aircraft

Show all 8 related aircraft
All 11 registered Bell 412 aircraft

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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