gsGroundScholar

FAA aircraft registration

N421MD

CESSNA 421C · 1978 · Valid

N421MD is a CESSNA 421C (year 1978), valid on the FAA registry as of 2026-09-06. Owner type: entity. 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
421C0516
Issued
—
Expires
—
Type aircraft
Fixed wing single-engine
State
MT

Registered owner

BOSS CONTRACT SERVICES LLC

TERRY, MT

Source: FAA Releasable Aircraft Database. Entity owners are shown without redaction; individual owners are redacted by default.

Ownership timeline
  • CurrentBOSS CONTRACT SERVICES LLCsince —
  • 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 N421MD 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 N421MD.

Type certificate

CESSNA 421C is governed by the FAA Type Certificate Data Sheet for the CESSNA family. The TCDS is the authoritative reference for engine, weight, and equipment configuration.

Nearby N-numbers

Registrations that share the N421M block.

Search another tail

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

Sources