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Aircraft record

N5691H1979 Enstrom Helicopter Corp 280C

DeregisteredUnclaimedSource: FAA, updated Oct 18, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Apr 23, 2013.

Safety record in brief:1 NTSB accident (substantial damage, Mar 1983)6 ADs may apply

Registration
Deregistered
Last based in
Concord, CA
owner city / state
Engine
HI0-360 SER · 205 hp
Lycoming
Owners
1
since 1980
NTSB events
1
substantial, 1983
ADs may apply
6
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 18, 2026
Last registered owner
Partnership
City, state
Concord, CA
Certificate issued
Sep 24, 1980
Canceled
Apr 23, 2013
Airworthiness
Standard · Normal
Airworthiness date
Jun 30, 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 Helicopter Corp
Model
280C
Year
1979
Serial number
1175
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
A74ADC

Engine

Make and model
Lycoming Hi0-360 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. 1980 – 2013PartnershipConcord, CA
  2. 1968 – 1972Pipestone Funeral Chapel INCPipestone, MN · different airframe: Piper Pa-16 S/N 16-291

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 18, 2026 · SDRs · Oct 16, 2026

NTSB events (1)

Accident · substantial damage

Mar 11, 1983 · Concord, CA

THE HELICOPTER COLLIDED WITH A TREE DURING A LANDING AFTER A DECAY IN ROTOR RPM DURING TAKEOFF. ACCORDING TO THE PILOT THE ACFT WAS FACING SOUTHEAST PRIOR TO DEPARTURE AND THE PILOT ESTIMATED THAT THE WIND WAS FROM THE NORTHWEST AT 8 KTS. FOLLOWING A PEDAL TURN INTO THE WIND AFTER TAKEOFF MAXIMUM PERFORMANCE WAS EXECUTED TO CLEAR A TREE THAT WAS 10 FT HIGHER THAN THE SADDLE BETWEEN 2 RIDGES…

Damage
Substantial
Injuries
Minor
Report
LAX83LA134

From NTSB records; matched by N-number.Read NTSB report (search CAROL for LAX83LA134)

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 (280C)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 (280C)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 (280C)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 (280C)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 (280C)
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 (280C)

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.

Related aircraft

Show all 8 related aircraft
All 48 registered Enstrom Helicopter Corp 280C aircraft

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 18, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 18, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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