Cessna 421C
N421LL is a Cessna 421C, a fixed-wing airplane with more than one motor with a piston engine, built in 1983. It has 8 seats. It is registered to Whirlybird Aviation LLC, an LLC in Bend, Oregon. The registration is valid: it was issued on May 25, 2012 and expires on May 31, 2028. It holds a standard airworthiness certificate for normal, dated October 12, 1983.
Aircraft
- Maker
- Cessna
- Model
- 421C · all 421Cs and related versions
- Serial number
- 421C1081
- Type
- Fixed-wing, multi-engine
- Power
- Piston (reciprocating), 2 motors · Cont Motor GTSIO-520 SER · 435 hp
- Seats
- 8
- Year built
- 1983
- Cruising speed
- 90 mph
- Transponder code
- A5005B (octal 51200133)
Registration
- Status
- Valid registration
- Certificate issued
- May 25, 2012
- Expires
- May 31, 2028
- Last FAA action
- May 12, 2023
- Airworthiness
- Standard · Normal · October 12, 1983
- FAA region
- Northwest Mountain
- FAA record id
- 00701824
Owner as the FAA publishes it
- Name
- Whirlybird Aviation LLC
- Type
- LLC
- Address
- 591 SW Mill View Way
Bend, OR 97702-1231
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.
Earlier use of this number 1
Records check free · 2 to understand · 3 clear
The public federal record on N421LL, 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.
Valid registration to Whirlybird Aviation LLC, an LLC, certificate issued May 25, 2012, expires May 31, 2028. No fractional interest recorded. [1]
Standard certificate for normal, dated October 12, 1983, consistent with the 1983 manufacture year. [1]
No earlier tail number is recorded against serial 421C1081 for this model in the deregistered file. [2]
N421LL was previously assigned to 1 other aircraft: Cessna 421C (serial 421C0305, cancelled March 20, 2002). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]
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]
1 NTSB record under N421LL: Accident on June 14, 1999 at Charlotte, NC: fatal, destroyed (4 fatal). Details below. [4]
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.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 1
Aircraft on the NTSB record: Cessna 421C · operated under 091
The failure of the pilot to shutdown the right engine and feather the propeller after a reported loss of power in the engine shortly after takeoff resulting in the airplane descending, colliding with trees and then the ground.
Search the NTSB's CAROL system for MIA99FA180 for the docket and final report. Open CAROL
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- 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