- Registered owner
- Taz Air Service Inc
- Location
- Middletown, DE
- Owner type
- Corporation
- Serial number
- 427
- Year built
- 1959
- Type
- Rotorcraft
- Engine
- Reciprocating
- Airworthiness
- Multiple
- Airworthiness date
- May 9, 1961
- Certificate issued
- May 31, 2005
- Expires
- August 31, 2027
- Mode S code
- A51660
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Franklin 6V4 model are included below.
On this page
Airworthiness directives that may apply · 2
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N427HSMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Bell 47D1G aircraft
FAA incident reports
No FAA accident or incident reports matched to N427HSMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Bell 47D1G aircraft
Service difficulty reports
No reports matched to N427HSGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Bell 47D1G aircraft
STCs that may be installed · 6
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Engine · Franklin 6V4 series
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.STC SE1311SOInstallation of Shivers carburetor temperature gauge with a Richter Aero Equipment B-5 carburetor temperature probe.STC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesSTC SE1-201Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D))