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Registered aircraft · FAA record as of October 2, 2026
N421KS

Cessna 421B

Valid Florida

N421KS is a Cessna 421B, a fixed-wing airplane with more than one motor with a piston engine, built in 1973. It has 8 seats. It is registered to Environmental Manufacturing Solutions LTD, a corporation in Melbourne, Florida. The registration is valid: it was issued on December 14, 2016 and expires on December 31, 2029. It holds a standard airworthiness certificate for normal, dated November 3, 1973.

Aircraft

Maker
Cessna
Model
421B · all 421Bs and related versions
Serial number
421B0507
Type
Fixed-wing, multi-engine
Power
Piston (reciprocating), 2 motors · Cont Motor GTSIO-520-C · 340 hp
Seats
8
Year built
1973
Cruising speed
172 mph
Transponder code
A50048 (octal 51200110)

Registration

Status
Valid registration
Certificate issued
December 14, 2016
Expires
December 31, 2029
Last FAA action
September 22, 2023
Airworthiness
Standard · Normal · November 3, 1973
FAA region
Southern
FAA record id
00831684

Owner as the FAA publishes it

Name
Environmental Manufacturing Solutions LTD
Type
Corporation
Address
7705 Progress Cir
Melbourne, FL 32904-1657

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Records check free · 1 to understand · 4 clear

The public federal record on N421KS, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.

CLEARRegistration and identity

Valid registration to Environmental Manufacturing Solutions LTD, a corporation, certificate issued December 14, 2016, expires December 31, 2029. No fractional interest recorded. [1]

CLEARAirworthiness certificate

Standard certificate for normal, dated November 3, 1973, consistent with the 1973 manufacture year. [1]

CLEARPrior registrations of this airframe

No earlier tail number is recorded against serial 421B0507 for this model in the deregistered file. [2]

CLEARTail number reuse

No other airframe has carried N421KS according to the deregistered file. [2]

NOTERecent registry documents

No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]

ATTENTIONAccident and incident record

1 NTSB record under N421KS: Accident on July 2, 2004 at Portland, ME: no injuries, substantial damage. Details below. [4]

PENDINGTitle chain, liens and 337 forms

These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.

PENDINGAirworthiness directives and utilization

AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.

NTSB records 1

IAD04LA029Accident on July 2, 2004 at Portland, ME: no injuries, substantial damage.serial on NTSB record: 421B-0507

Aircraft on the NTSB record: Cessna 421B · operated under 091

Failure of the right main landing gear down-lock mechanism resulting in the collapse of the right main landing gear.

Search the NTSB's CAROL system for IAD04LA029 for the docket and final report. Open CAROL

CLEAR the source was checked and shows no adverse findingATTENTION a fact a buyer or lender should understand, often routineNOTE context onlyPENDING covered by the full report
  1. FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
  2. FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
  3. FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
  4. NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search

This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data