- Registered owner
- Westerlin-Harrington Flying Service Inc
- Location
- Holdrege, NE
- Owner type
- Corporation
- Serial number
- 6020
- Year built
- 1979
- Type
- Fixed wing single engine
- Engine
- Turbo-prop
- Airworthiness
- Restricted, agriculture and pest control
- Airworthiness date
- March 1, 1979
- Certificate issued
- March 13, 2021
- Expires
- March 31, 2028
- Mode S code
- A4B2DA
From the FAA registry file of October 24, 2026.
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.
| 1997 | 3 |
|---|---|
| 2005 | 1 |
Engine · Pratt & Whitney Canada PT6A-60A
AD 2004-25-18Propeller governor assembliesAD 97-04-12Compressor Bleed-off ValveSuperseded and historical ADs · 2
Information bulletins that may apply · 3
Advisory, not mandatory.
Airframe · Ayres S2R-T34
SAIB ACE-98-17NTSB investigations · 1
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
FAA incident reports · 2
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Accident 19970507012869ANormal Cruise · Tonopah, AZ(.19) On may 7, 1997, at 2030 hours mountain standard time an ayers S2RT34, N4011G, experienced a power loss and made a subsequent off airport landing near Tonopah, Arizona. The aircraft sustained substantial damage; however, the pilot, the sole occupant, was…Incident 19900313040479ILow Level Operations · Buckeye, AZStruck powerline during a spray run. Pilot stated he was caught in downdraft on run.
Service difficulty reports
No reports matched to N4011GGeneral 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 Ayres S2R-T34 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 · Pratt & Whitney Canada PT6A-60A
STC SE01624WIConversion of Pratt & Whitney Canada, Model PT6A-60A to a North Star Aviation PT6A-60AG turboprop engine.
Data required:
1. A copy of this certificate
2. North Star Aviation document, NSA No. 1200, Turboprop Engine Conversion of PT6A-60A Model to PT6A-60AG Configuration per FAA Approved STC , dated March 15, 2011, or later FAA approved revision
3. The ICA supplement for North Star Aviation PT6A-60AG models, Instructions for Continued Airworthiness, NSA No. 1200-ICA, Rev NC, dated March 9, 2011 or later applicable revision.STC SE00014ENInstallation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models.STC SE00020ENInstallation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1STC SE01805NYInstallation of Fuel Nozzle Adapters using studs and nuts.STC SE09257SCConvert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration.STC SE659NEInstallation of oil tank filler neck check valve, P/N TSA-76A.