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Cessna 170B
N4170B is a Cessna 170B, a fixed-wing airplane with one motor with a piston engine, built in 1953. It has 4 seats. It is registered to an individual in Half Moon Bay, California. The registration is valid: it was issued on May 27, 2024 and expires on May 31, 2031. It holds a standard airworthiness certificate for normal; utility, dated May 7, 2015. 1 document is on file: bill of sale (evidence of ownership).
Where is it now Last seen today at 4:09 pm.
Last seen today at 4:09 pm. Checking whether it is in the air right now…
Aircraft broadcast their own position; volunteer receivers pool what they hear. Owners who have asked the FAA not to be displayed are not shown.
Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Cessna
- Model
- 170B · all 170Bs and related versions
- Built of
- aluminiumThe airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. The original 1948 170 had fabric-covered wings; the 170A and 170B are all-metal. This is how the Cessna 170 family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
- Serial number
- 26137
- Type
- Fixed-wing, single engineFAA type of aircraft code 4 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- Piston (reciprocating)FAA type of engine code 1 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 1 motor · Cont Motor C145-2 · 145 hp
- Fuel
- 100LL avgas
- Seats
- 4
- Year built
- 1953
- Cruising speed
- 105 mph
- Transponder code
- A4F07B (octal 51170173)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- May 27, 2024
- Expires
- May 31, 2031
- Last FAA action
- May 27, 2024
- Airworthiness
- StandardFAA airworthiness class code 1 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · Normal; UtilityFAA certificate purpose code NU (the kind of airworthiness certificate it flies under and what it is approved for). All codes · May 7, 2015
- FAA region
- Western-PacificFAA region code 4 (the FAA regional office that handles the record). All codes
- FAA record id
- 00796001
Owner as the FAA publishes it
- Name
- Outman William D
- Type
- IndividualFAA type of owner code 1 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- PO Box 638
Half Moon Bay, CA 94019-0638
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 1
Earlier use of this number 1
Connections how N4170B links to the rest of the register
- Cessna 170 2,085 registered
- Cessna 72,682 aircraft on the register
- Built of aluminium · as the model family is built; the register does not record it per aircraft
- Continental C145-2 11 aircraft with this engine series · 145 hp
- Half Moon Bay, CA 26 aircraft registered in this town
- Half Moon Bay Airport · HAF
- California 27,897 aircraft registered
- FAA orders naming the Cessna 170 16 airworthiness directives
- Failure reports filed on the Cessna 170 60 reports since 1995
- Approved modifications for the Cessna 170 293 supplemental type certificates
- FAA orders naming the Continental C145-2 6 airworthiness directives
- Where N4170B is now · Last seen today at 4:09 pm.
The whole map of how records connect · these connections as data: /graph/aircraft/N4170B.json.
Records check free · 2 to understand · 3 clear
The public federal record on N4170B, 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 Outman William D, an individual, certificate issued May 27, 2024, expires May 31, 2031. No fractional interest recorded. [1]
The airworthiness certificate on file is dated May 7, 2015, 62 years after the 1953 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains. [1]
No earlier tail number is recorded against serial 26137 for this model in the deregistered file. [2]
N4170B was previously assigned to 1 other aircraft: Cessna 150 (serial 15062362, cancelled May 5, 2006). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]
1 document received recently: Bill of sale (evidence of ownership) (October 27, 2026). [3]
No NTSB investigation records located under N4170B. CLEAR means the query ran and returned nothing, not that nothing ever happened. [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.
- FAA Releasable Aircraft Database, master file, file of November 6, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of November 6, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of November 6, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through October 28, 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, November 6, 2026. See this record on the FAA site · This record as data