N9128D

PIPER PA-18-150 · 1958 · Fixed-wing single-engine · 1 engine · 2 seats · Valid Registration

Registered owner: PITTS CABOT JOHN, AK (owner ≠ operator)

Operators of this aircraft

Who operated this tail, and how firmly we know it.

Operator	Role	Period	Basis
HAWK MOUNTAIN AIR LLC (T5HA)	Certificate holder	—	Matched by certificate designator
HAWK MOUNTAIN AIR LLC (T5HA)	Operator	on 2026-09-17	Operator named in NTSB report
Michael A. Chapman	Operator	on 2010-09-05	Operator named in NTSB report
Sky Signs LLC	Operator	on 1992-11-07	Operator named in NTSB report

Accident & incident history

Accident · 2026-09-17 Operator named in NTSB report

PIPER PA-18-150 Fatal injury Part 135 — HAWK MOUNTAIN AIR LLC

Operated by Hawk Mountain Air (per NTSB report)

Not yet finalized — may be revised.

Source: NTSB case ANC26FA106

Accident · 2010-09-05 Operator named in NTSB report

PIPER PA-18-160 No injuries Part 91 — Michael A. Chapman

Operated by Michael A. Chapman (per NTSB report)

Source: NTSB case ANC10CA088

Accident · 1992-11-07 Operator named in NTSB report

PIPER PA-18-150 No injuries Part 91 — Sky Signs LLC

Operated by SKY SIGNS INC. (per NTSB report)

Source: NTSB case ATL93LA022

Accident · 1987-05-30 Unresolved

PIPER PA-18-150 No injuries Part 91 — operator not named in the NTSB record

Source: NTSB case DEN87LA139

Maintenance disclosures

No service difficulty reports on file for this aircraft.