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Registered aircraft · FAA record as of October 23, 2026Mcdonnell Douglas Mdhs 369E
N500SL is a Mcdonnell Douglas Mdhs 369E, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 1988. It has 2 seats. It is registered to Patriot Marine LLC, an LLC in New Haven, Connecticut. The registration is valid: it was issued on February 18, 2026 and expires on February 28, 2033. It holds a standard airworthiness certificate for normal, dated March 2, 2026.
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Mcdonnell Douglas Mdhs
- Model
- 369E
- Serial number
- 0309E
- Type
- RotorcraftFAA type of aircraft code 6 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- TurboshaftFAA type of engine code 3 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 1 motor · Allison 250-C20B · 420 hp
- Seats
- 2
- Year built
- 1988
- Transponder code
- A63B8B (octal 51435613)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- February 18, 2026
- Expires
- February 28, 2033
- Last FAA action
- February 18, 2026
- Airworthiness
- StandardFAA airworthiness class code 1 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · NormalFAA certificate purpose code N (the kind of airworthiness certificate it flies under and what it is approved for). All codes · March 2, 2026
- FAA region
- New EnglandFAA region code E (the FAA regional office that handles the record). All codes
- FAA record id
- 01542701
Owner as the FAA publishes it
- Name
- Patriot Marine LLC
- Type
- LLCFAA type of owner code 7 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- 2 Poplar St
New Haven, CT 06513-4324
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Earlier use of this number 1
Connections how N500SL links to the rest of the register
- Mcdonnell Douglas Mdhs 1 aircraft on the register
- Allison (Rolls-Royce) 250-C20B 113 aircraft with this engine series · 420 hp
- Type certificate H3WE · held by MD Helicopters LLC
- Patriot Marine LLC 3 aircraft registered to this organisation
- New Haven, CT 13 aircraft registered in this town
- Tweed/New Haven Airport · HVN
- Connecticut 1,607 aircraft registered
- Failure reports on the Allison (Rolls-Royce) 250-C20B 1,981 reports since 1995
The whole map of how records connect · these connections as data: /graph/aircraft/N500SL.json.
Records check free · 2 to understand · 3 clear
The public federal record on N500SL, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Patriot Marine LLC, an LLC, certificate issued February 18, 2026, expires February 28, 2033. No fractional interest recorded. [1]
The airworthiness certificate on file is dated March 2, 2026, 38 years after the 1988 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains. [1]
No earlier tail number is recorded against serial 0309E for this model in the deregistered file. [2]
N500SL was previously assigned to 1 other aircraft: Ica Brasov IS-32 (serial 04, cancelled May 9, 2013). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
No NTSB investigation records located under N500SL. CLEAR means the query ran and returned nothing, not that nothing ever happened. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
- FAA Releasable Aircraft Database, master file, file of October 23, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 23, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 23, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through September 30, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 23, 2026. See this record on the FAA site · This record as data