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Aircraft record

N635H1977 Enstrom F-28C

DeregisteredUnclaimedSource: FAA, updated Oct 17, 2026

This N-number isn't registered right now. Below is its last known registration, canceled May 13, 2015.

Safety record in brief:1 NTSB accident (destroyed damage, Nov 1999)6 ADs may apply1 service difficulty report

Registration
Deregistered
Last based in
Tok, AK
owner city / state
Engine
HIO-360 SER · 205 hp
Lycoming
Owners
1
since 1999
NTSB events
1
destroyed, 1999
ADs may apply
6
confirm with A&P
Service reports
1
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Last registered owner
Charlie INC
Owner type
Corporation
City, state
Tok, AK
Certificate issued
Jun 28, 1999
Canceled
May 13, 2015
Airworthiness
Standard

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
1977
Serial number
386
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
A850FE

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. 1999 – 2015Charlie INCTok, AK

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 · destroyed

Nov 2, 1999 · Pendleton, OR

Failure to maintain clearance from the runway surface while maneuvering at low altitude, and inadequate remedial action after the tail rotor struck the surface.

Damage
Destroyed
Injuries
Fatal
Report
SEA00FA014

From NTSB records; matched by serial number.Read NTSB report (search CAROL for SEA00FA014)

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.

  • Rotor flight controls · control cable · brokenApr 1, 1999

    AT APPROXIMATELY 12 INCHES FORWARD OF THE TAIL ROTOR, THE LEFT TAIL ROTOR CONTROL CABLE BROKE. NO EVIDENCE OF RUBBING OR CHAFING.

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

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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