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Aircraft record

N5691Y1979 Enstrom F-28C

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Apr 2, 2022.

Safety record in brief:2 NTSB accidents (substantial damage at worst, latest Oct 2018)6 ADs may apply1 service difficulty report

Registration
Deregistered
Last based in
Laurel, DE
owner city / state
Engine
HIO-360 SER · 205 hp
Lycoming
Owners
1
since 2015
NTSB events
2
substantial, 2018
ADs may apply
6
confirm with A&P
Service reports
1
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
J&j Shop Heliair LLC
Owner type
LLC
City, state
Laurel, DE
Certificate issued
Dec 29, 2015
Canceled
Apr 2, 2022
Airworthiness
Standard · Normal
Airworthiness date
Sep 20, 1979

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
Enstrom
Model
F-28C
Year
1979
Serial number
479-2
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
3
Engines
1
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
H1CE
Mode S code
A74AEB

Engine

Make and model
Lycoming Hio-360 Ser
Type
Reciprocating
Power
205 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. 2015 – 2022J&j Shop Heliair LLCLaurel, DE
  2. until 1970Webster Martin INCdifferent airframe: Piper Pa-23-250 S/N 272810

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 (2)

Accident · substantial damage

Oct 7, 2018 · Bridgeville, DE

The pilot's mismanagement of collective pitch control during takeoff from an area with numerous obstacles, which resulted in the helicopter entering a low rotor rpm state and a forced hard landing.

Damage
Substantial
Injuries
None
Report
ERA19TA005

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ERA19TA005)

Accident · substantial damage

Oct 17, 1985 · Linden, NJ

THE HELICOPTER EXPERIENCED A ROLL-OVER DURING A PRACTICE HOVER AUTOROTATION. THE ACC OCCURRED WHEN THE ACFT STARTED MOVING BACKWARDS DURING THE HOVER. THE LEFT SKID DUG INTO THE DIRT WHICH PITCHED THE ACFT NOSE UP & ROLLED IT OVER TO THE LEFT.

Damage
Substantial
Injuries
None
Report
NYC86LA011

From NTSB records; matched by serial number.Read NTSB report (search CAROL for NYC86LA011)

Accident history for this model

ADs published since 1998 that may apply (6)

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
2018-02-01The Enstrom Helicopter Corporation HelicoptersFeb 21, 2018Airframe (F-28C)Certain serial numbers: 480 5001–5006. Only with: With main rotor spindle P/N 28-14282-11 or 28-14282-13 installed.
2017-26-03The Enstrom Helicopter Corporation HelicoptersJan 4, 2018Airframe (F-28C)Only with: Rod end bearing assembly P/N 01-824-08E-011, 09455-01-824-08E-011, ECD091-1, ASMK8T, M81935/1-08K, MS21242S8K, or MTK8 installed.
2012-11-05Enstrom Helicopter Corporation HelicoptersJul 3, 2012Airframe (F-28C)Only with: Helicopters with trim relay P/N KUP14D55-24, KUP14D55-472, M83536/10-015M, or M83536/10-024M installed; does not apply to helicopters with reversible trim motor P/N 28-16621 or P/N AD1R-10.
2011-26-10Enstrom Helicopter Corporation HelicoptersJan 23, 2012Airframe (F-28C)Only with: Helicopters with a trim relay P/N KUP14D55-472, M83536/10-015M, or M83536/10-024M installed; does not apply to helicopters with reversible trim motor P/N 28-16621 or AD1R-10.
2002-08-03Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28F, 280, 280C, 280F, and…May 2, 2002Airframe (F-28C)
Show all 6 ADs
ADSubjectEffectiveApplies to
96-06-03The Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28C-2, F-28F, 280, 280C…Mar 19, 1996Airframe (F-28C)

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.

  • Reciprocating engine · valve guide · failedApr 1, 1997

    EXHAUST VALVE GUIDE BROKE UP LETTING THE EXHAUST VALVE LOOSEN IN THE CYLINDER. EXHAUST VALVE DID NOT FAIL. PIECES FROM THE GUIDE JAMMED THE TURBOCHARGER TURBINE WHEEL DESTROYING THE TURBOCHARGER AND CAUSING LOSS OF POWER.

    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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