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Aircraft record

N5841Z1999 Md Helicopters INC 369FF

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:1 NTSB accident (substantial damage, Apr 2024)9 ADs may apply1 service difficulty report

Registration
Valid
expires Oct 31, 2028
Based in
San Juan, PR
owner city / state
Owners
1
since 1999
NTSB events
1
substantial, 2024
ADs may apply
9
confirm with A&P
Service reports
1
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Puerto Rico Electric Power Authority
Owner type
Corporation
City, state
San Juan, PR
Certificate issued
Sep 29, 1999
Expires
Oct 31, 2028
Airworthiness
Standard · Normal
Airworthiness date
Jun 10, 1999

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
Md Helicopters INC
Model
369FF
Year
1999
Serial number
0135FF
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
4
Engines
2
Max takeoff weight
12,500 - 19,999 lb
Type certificate data sheet
H3WE
Mode S code
A78757

Engine

Make and model
Allison 250 Ser 400hp
Type
Turbo-shaft
Power
400 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. 1999 – nowPuerto Rico Electric Power AuthoritySan Juan, PR · current
  2. 1968 – 1971Erie Aviation INCErie, PA · different airframe: Piper Pa-22-108 S/N 22-9695

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Apr 9, 2024 · Ceiba, PR

The pilots’ failure to ensure adequate clearance from the taxiway while performing a quick stop maneuver.

Damage
Substantial
Injuries
None
Report
ERA24LA172

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ERA24LA172)

Accident history for this model

ADs published since 1998 that may apply (9)

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
2021-22-11MD Helicopters Inc. (MDHI) HelicoptersJan 10, 2022Airframe (369FF)Only with: Pilot-to-copilot tail rotor torque tube P/N 369H7531-9, -11, or -13 installed.
2020-18-20MD Helicopters Inc. (MDHI), HelicoptersOct 28, 2020Airframe (369FF)Only with: With MR blade P/N 500P2100-105, 500P2100-305, 500P2300-505, 369D21120-505, 369D21121-505, or 369D21123-505 having a 1.25 inch chord nickel abrasion strip manufactured or installed by HTC or of unknown manufacturer, with less than 700 hours TIS on the abrasion strip.
2019-05-04MD Helicopters, Inc. (MDHI), HelicoptersApr 17, 2019Airframe (369FF)Only with: Main rotor blade P/N 369A1100, 369D21100, 369D21102, 369D21120, 369D21121, 369D21123, 500P2100, or 500P2300, all dash numbers, installed.
2016-04-15MD Helicopters Inc., HelicoptersMar 31, 2016Airframe (369FF)Only with: Aerometals main rotor blade attach pin P/N 369X1004-5 installed.
2013-19-24MD Helicopters, Inc., HelicoptersDec 5, 2013Airframe (369FF)Only with: Tail rotor blade P/N 369D21640-501, -503, 369D21641-501, -503, 369D21642-501, -503, 369D21643-501, -503, or Helicopter Technology Company blade P/N 500P3100-101, 500P3100-301, 500P3300-501, or 500P3500-701 installed.
Show all 9 ADs
ADSubjectEffectiveApplies to
2008-15-03MD Helicopters, Inc. Model 369A, OH-6A, 369D, 369E, 369F, 369FF, 369H, 369HE, 369HM, and…Sep 3, 2008Airframe (369FF)Only with: With a tail rotor blade installed, HTC P/N 500P3100-101/-103, 500P3100-301/-303, 500P3300-501/-503, 500P3500-701/-703 or MDHI P/N 369D21640, 369D21641, 369D21643, 369D21642 (-501, -503, -505), all serial numbers, including blades with an 'M' or 'I' painted on the blade root.
2005-21-02MD Helicopters, Inc. Model 369D, 369E, 369F, 369FF, 500N, and 600N HelicoptersNov 1, 2005Airframe (369FF)Only with: With an MDHI main rotor blade installed, or modified per HTC STC No. SR09172RC, SR09074RC, or SR01050LA with an HTC blade installed, as listed in the AD table by part number.
2002-13-05MD Helicopters, Inc. Model 369D, 369E, 369F, and 369FF HelicoptersAug 1, 2002Airframe (369FF)Only with: Modified in accordance with Aerometals STC SH5055NM or SH4801NM.
99-20-12MD Helicopters Inc. Model 369D, D369E, 369FF, 500N, and 600N HelicoptersNov 4, 1999Airframe (369FF)Only with: Oil cooler blower bracket P/N 369F5190-1 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 (1)

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.

  • Exhaust · exhaust stack · crackedSep 28, 2003

    THE EXHAUST STACK HAD TO BE REPAIRED SEVERAL TIMES SINCE 400.0 HOURS SINCE NEW. NOW THE AC HAS 1627.3 HOURS TT. SERVICE REPORTS WAS DONE TO MFG SINCE 12-2000. IN 3 OCCASIONS THE MFG SENT THE EXHAUST PN 369D2860501 FOR REPLACEMENT, BUT IT DID NOT FIT INTO THE AIRCRAFT. IN THE MEANTIME, IT CONTINUED…

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

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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