Best Aviation Services Llc PHY37
N1783S is a Best Aviation Services Llc PHY37, a balloon with no engine, built in 2021. It has 1 seat. It is registered to an individual in Austin, Texas. The registration is valid: it was issued on April 15, 2021 and expires on April 30, 2028. It holds an experimental airworthiness certificate for exhibition, dated June 8, 2021.
Aircraft
- Maker
- Best Aviation Services Llc
- Model
- PHY37
- Serial number
- H006
- Type
- Balloon
- Power
- None · None NONE
- Seats
- 1
- Year built
- 2021
- Transponder code
- A139B7 (octal 50234667)
Registration
- Status
- Valid registration
- Certificate issued
- April 15, 2021
- Expires
- April 30, 2028
- Last FAA action
- May 5, 2023
- Airworthiness
- Experimental · Exhibition · June 8, 2021
- FAA region
- Southwestern
- FAA record id
- 01337551
Owner as the FAA publishes it
- Name
- Stefan Karl
- Type
- Individual
- Address
- 8412 Cahill Dr
Austin, TX 78729-7254
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 N1783S, 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 Stefan Karl, an individual, certificate issued April 15, 2021, expires April 30, 2028. No fractional interest recorded. [1]
Experimental certificate for exhibition, dated June 8, 2021, consistent with the 2021 manufacture year. [1]
No earlier tail number is recorded against serial H006 for this model in the deregistered file. [2]
N1783S was previously assigned to 1 other aircraft: Aero Commander 600 S-2D RESTRICTED (serial 600-1408D, cancelled August 13, 2012). 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 N1783S: Accident on April 7, 1993 at San Jose, CA: serious injuries, destroyed. 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: Aero Commander ST-R · operated under 137
THE PILOT'S FAILURE TO MAINTAIN ADEQUATE AIRSPEED RESULTING IN AN INADVERTENT STALL/SPIN.
Search the NTSB's CAROL system for LAX93LA167 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