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Aircraft record

N8977D1956 Piper PA-18-150

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:3 NTSB accidents (substantial damage at worst, latest Jul 2001)2 ADs may apply

Registration
Valid
expires Jan 31, 2029
Based in
Anchorage, AK
owner city / state
Owners
1
since 2016
NTSB events
3
substantial, 2001
ADs may apply
2
confirm with A&P
Service reports
0
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Williams Aircraft LLC
Owner type
LLC
City, state
Anchorage, AK
Certificate issued
Jan 14, 2016
Expires
Jan 31, 2029
Airworthiness
Multiple · Standard, Restricted, Other
Airworthiness date
Aug 24, 2012

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
Piper
Model
PA-18-150
Year
1956
Serial number
18-5083
Aircraft type
Fixed wing single engine
Category
Land
Certification
Type Certificated
Seats
2
Engines
1
Max takeoff weight
Up to 12,499 lb
Mode S code
AC62A6

Engine

Make and model
Lycoming O-360 Series
Type
Reciprocating
Power
180 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. 2016 – nowWilliams Aircraft LLCAnchorage, AK · current
  2. 1959 – 1960Safair Flying Service INCTeterboro, NJ · different airframe: Piper Pa-18 S/N 18-6417

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 (3)

Accident · substantial damage

Jul 29, 2001 · Bethel, AK

The pilot's inadequate recovery from a bounced landing. A factor associated with the accident was a crosswind.

Damage
Substantial
Injuries
None
Report
ANC01LA098

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC01LA098)

Accident · substantial damage

Aug 15, 1988 · Tok, AK

DURING THE TAKEOFF ROLL ON A GRAVEL BAR, THE PILOT LOST DIRECTIONAL CONTROL OF THE AIRPLANE & IT BOUNCED INTO THE RIVER. THE AIRPLANE THEN NOSED OVER ON ITS BACK. THE PILOT AND PASSENGER BOTH EXITED THE AIRPLANE.

Damage
Substantial
Injuries
None
Report
ANC88LA110

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC88LA110)

Accident · substantial damage

Oct 16, 1983 · Tok, AK

DURING A NIGHT LANDING. THE NON-RATED PLT ACCIDENTLY SELECTED THE TAXIWAY, AND SUBSEQUENTLY, THE ACFT COLLIDED WITH A PARKED AIRPLANE. THE ACFT WAS EQUIPPED WITH SKI GEAR ONLY & IT HAD NO LANDING LIGHT INSTALLED. ALSO, THE ARPT WAS NOT LIGHTED & HAD NO SNOW ANYWHERE ON ITS SURFACE.

Damage
Substantial
Injuries
None
Report
ANC84LA007

From NTSB records; matched by serial number.Read NTSB report (search CAROL for ANC84LA007)

Accident history for this model

ADs published since 1998 that may apply (2)

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
2006-06-16Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, and…Apr 27, 2006Engine (O-360 SERIES)Only with: Engines manufactured new or rebuilt, overhauled, or that had a crankshaft installed after March 1, 1999.
2005-19-11Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, LO-360…Oct 21, 2005Engine (O-360 SERIES)Only with: Engines rated at 300 HP or lower, manufactured new, rebuilt, or overhauled after March 1, 1999, or that had a crankshaft installed after March 1, 1999.

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 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

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