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Aircraft record

N51671Enstrom F-28C

DeregisteredUnclaimedSource: FAA, updated Oct 17, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Apr 1, 2013.

Safety record in brief:1 NTSB accident (substantial damage, Mar 1985)6 ADs may apply

Registration
Deregistered
Last based in
Salt Lake City, UT
owner city / state
Owners
1
since 1985
NTSB events
1
substantial, 1985
ADs may apply
6
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Last registered owner
Prudential Capital Group INC
Owner type
Corporation
City, state
Salt Lake City, UT
Certificate issued
Apr 10, 1985
Canceled
Apr 1, 2013

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
Serial number
402
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
A67B20

Engine

Type
Reciprocating

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 1985 – 2013Prudential Capital Group INCSalt Lake City, UT
  2. until 1948Hurd Aviation Services INC/Crawford George E JrMonroe, CT · different airframe: 1943 Fairchild M-62a S/N T42-3960

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Mar 14, 1985 · Salt Lake City, UT

THE ACFT ENG LOST PWR ON FINAL APCH AT APRX 100 FT AGL. THE TAIL BOOM WAS SEVERED DURING THE AUTOROTATIONAL LANDING ON SOFT GROUND. POST ACCIDENT EXAM OF THE ENG REVEALED THAT THE LEFT MAGNETO POINT GAP WAS EXCESSIVELY CLOSED. DURING ENG TEST RUN, WHEN THE LEFT MAGNETO 'P' LEAD WAS DISCONNECTED, THE ENG OPERATED ON THE RIGHT MAG.

Damage
Substantial
Injuries
None
Report
DEN85LA094

From NTSB records; matched by serial number.Read NTSB report (search CAROL for DEN85LA094)

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 (0)

No Service Difficulty Reports found for this airframe since 1995.

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

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