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Aircraft record

N121EE1979 Cessna A185F

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:4 NTSB accidents (destroyed damage at worst, latest Jul 2019)4 ADs may apply2 service difficulty reports

Registration
Valid
expires Jun 30, 2030
Based in
Anchorage, AK
owner city / state
Engine
IO 520 SERIES · 285 hp
Cont Motor
Owners
1
since 2023
NTSB events
4
destroyed, 2019
ADs may apply
4
confirm with A&P
Service reports
2
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Registered owner
Sheldon Air Service LLC
Owner type
LLC
City, state
Anchorage, AK
Certificate issued
Jun 7, 2023
Expires
Jun 30, 2030
Airworthiness
Standard · Normal
Airworthiness date
Feb 6, 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
Cessna
Model
A185F
Year
1979
Serial number
18503765
Aircraft type
Fixed wing single engine
Category
Land
Certification
Type Certificated
Seats
6
Engines
1
Max takeoff weight
Up to 12,499 lb
Mode S code
A057D2

Engine

Make and model
Cont Motor Io 520 Series
Type
Reciprocating
Power
285 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. 2023 – nowSheldon Air Service LLCAnchorage, AK · current

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 (4)

Accident · substantial damage

Jul 17, 2019 · Talkeetna, AK

A fracture of the right outboard landing gear bracket for undetermined reasons.

Damage
Substantial
Injuries
None
Report
ANC19LA049

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC19LA049)

Accident · substantial damage

Nov 23, 2011 · Talkeetna, AK

A broken wheel/ski clevis pin, which allowed the ski to pivot upward and strike the right wing lift strut.

Damage
Substantial
Injuries
None
Report
ANC12CA010

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC12CA010)

Accident · destroyed

Jul 21, 1993 · Denali Nat'L Pk, AK

FUEL EXAUSTION DUE TO THE THE PILOT-IN-COMMAND'S FAILURE TO REFUEL. FACTORS IN THE ACCIDENT WERE: PRESSURE BY MANAGEMENT PERSONNEL AND LACK OF SUITABLE TERRAIN DURING THE FORCED LANDING.

Damage
Destroyed
Injuries
Serious
Report
ANC93FA123

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC93FA123)

Show all 4 NTSB events

Accident · substantial damage

May 24, 1992 · Kahiltna Glacie, AK

THE FRACTURE OF THE LANDING GEAR WHEEL SKI PIVOT SHAFT DUE TO IMPROPER MANUFACTURE.

Damage
Substantial
Injuries
None
Report
ANC92LA078

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC92LA078)

Accident history for this model

ADs published since 1998 that may apply (4)

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
2020-21-22Fuselage; 55, StabilizersDec 7, 2020Airframe (A185F)
2011-10-09Cessna Aircraft Company Models 150, 152, 170, 172, 175, 177, 180, 182, 185, 188, 190…Jun 17, 2011Airframe (A185F)
2009-16-03Teledyne Continental Motors (TCM) IO-520, TSIO-520, and IO-550 Series Reciprocating…Sep 9, 2009Engine (IO 520 SERIES)Only with: SAP investment cast cylinder assemblies P/Ns SA52000-A1, SA52000-A20P, SA52000-A21P, SA52000-A22P, SA52000-A23P, SA55000-A1, or SA55000-A20P installed.
98-23-02Cessna Aircraft Company 180 and 185 Series AirplanesDec 22, 1998Airframe (A185F)Only with: Airglas Engineering Company (AECI) Model LW3600-180 or LW3600-180A fixed penetration wheel skis installed per STC SA213AL.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (2)

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.

  • Landing gear · cable · damagedNov 26, 2011

    DURING CRUISE FLIGHT, AFT SKI CABLE ATTACH CLEVIS PIN CAME LOOSE. CLEVIS PIN AND DIAPER PIN HOLDING CLEVIS DEPARTED ACFT. AFT SKI CABLE CAME LOOSE AND SKI FLIPPED FORWARD AND STRUCK WING LIFT STRUT, DENTING THE STRUT. PILOT MADE A SAFE LANDING. LIFT STRUT, AND SKI CHECK CABLE WERE REPLACED. SKI…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Reciprocating engine · piston · brokenMay 27, 2008

    AT OIL CHANGE, FOUND ALUMINUM CONTAMINATION IN OIL FILTER ELEMENT. INVESTIGATION FOUND BROKEN PISTON SKIRT AND RING PARTS IN OIL PAN FROM NR 4 CYLINDER. NR 4 PISTON SKIRT WAS BROKEN AT LOWEST RING, AT BOTTOM OF PISTON HALF, TOTAL SKIRT WAS BROKEN OFF THIS PISTON , FOUND 5/27/2008. (K)

    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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