gsGroundScholar

FAA aircraft registration

N21987

PORTERFIELD CP-50 · 1939 · Valid

N21987 is a PORTERFIELD CP-50 (year 1939), valid on the FAA registry as of 2026-09-06. Owner type: individual. No NTSB accident or incident matches this tail in our snapshot. Source: FAA Releasable Aircraft Database.

Snapshot date: 2026-09-06 · Source: registry.faa.gov

Registration

Status
Valid
Serial number
570
Issued
—
Expires
—
Type aircraft
Fixed wing single-engine
State
CA

Registered owner

H. J.

CA

Ownership timeline
  • CurrentIndividual owner (redacted)since —
  • Earlier owners are reconstructed from successive FAA snapshots and shown when our archive has at least two transitions for this tail.
Accident or incident history(0 matches)

No NTSB CAROL record matches N21987 in our snapshot. The official NTSB search may show later filings. Open NTSB CAROL.

Applicable Airworthiness Directives(0 on the make-model list)

AD applicability depends on serial range, engine, and propeller. Use the FAA AD library or your A&P mechanic for a definitive applicability list for N21987.

Type certificate

PORTERFIELD CP-50 is governed by the FAA Type Certificate Data Sheet for the PORTERFIELD family. The TCDS is the authoritative reference for engine, weight, and equipment configuration.

Nearby N-numbers

Registrations that share the N2198 block.

Search another tail

Or browse the FAA registry hub and Cessna 172 AD list.

Sources