Skip to content
KnownTail
Aircraft record

N5779N1972 Helio HST-550A

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Dec 10, 2012.

Safety record in brief:1 NTSB accident (destroyed damage, Sep 1990)1 AD may apply

Registration
Deregistered
Last based in
Lewes, DE
owner city / state
Engine
PT6A-60A · 1050 hp
P&W Canada
Owners
1
on record
NTSB events
1
destroyed, 1990
ADs may apply
1
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Individual owner
City, state
Lewes, DE
Canceled
Dec 10, 2012
Airworthiness
Experimental · To show compliance with FAR
Airworthiness date
Apr 13, 1988

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
Helio
Model
HST-550A
Year
1972
Serial number
006
Aircraft type
Fixed wing single engine
Category
Land
Certification
Type Certificated
Seats
10
Engines
1
Max takeoff weight
Up to 12,499 lb
Mode S code
A76C0A

Engine

Make and model
P&W Canada Pt6a-60a
Type
Turbo-prop
Power
1050 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. until 2012Individual ownerLewes, DE

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 (1)

Accident · destroyed

Sep 29, 1990 · Mobile, AL

THE PILOT'S INTENTIONAL ATTEMPTED TAKEOFF WITH A KNOWN TAILWIND COMPONENT. FACTORS RELATING TO THE ACCIDENT WERE THE TAILWIND, TREES AND UTILITY LINES ON THE DEPARTURE END OF THE TAKEOFF AREA.

Damage
Destroyed
Injuries
Serious
Report
ATL90LA182

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ATL90LA182)

ADs published since 1998 that may apply (1)

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
2002-23-13Pratt & Whitney Canada PT6A Series Turboprop EnginesDec 31, 2002Engine (PT6A-60A)Only with: Engines with turbine exhaust ducts P/N 3012290, 3031988, 3032117, 3035784, 3035786, 3105890-01, 3112167-01, or 3111780-01 installed.

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

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

Request owner name removalReport an error in this record

Claim this airplane