- Manufacturer (registry)
- FAIRCHILD
- Model
- SA227-TT
- Registry code
- 3377517
- Registered
- 0 aircraft
- Type
- Fixed wing multi engine
- Engines
- 2 · Turbo-prop
- Seats
- 12
- Weight class
- Up to 12,499 lb
- Certification
- Type certificated
- Data sheet
- TCDSA5SW
- Holder
- Ontic Engineering and Manufacturing Inc.
Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.
On this page
Airworthiness directives that may apply · 44
ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.
| 1982 | 1 |
|---|---|
| 1983 | 1 |
| 1984 | 1 |
| 1986 | 2 |
| 1987 | 1 |
| 1990 | 3 |
| 1991 | 1 |
| 1992 | 3 |
| 1993 | 3 |
| 1994 | 1 |
| 1996 | 8 |
| 1997 | 5 |
| 1998 | 1 |
| 1999 | 1 |
| 2000 | 5 |
| 2001 | 1 |
| 2002 | 3 |
| 2003 | 1 |
| 2005 | 3 |
| 2007 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
Airframe · Fairchild SA227-TT
AD 2017-07-01Propellers/PropulsorsAD 2016-25-12Horizontal Stabilizer StructureAD 2016-15-02Flight ControlsQuery with SQL
duckdb -csv -c "SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('3377517'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT d.ad_number, d.status, d.subject, d.effective_date
FROM 'https://openairdocs.org/data/latest/faa_directive.parquet' d
WHERE d.ad_id IN (SELECT ad_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_directive.parquet' WHERE aircraft_model_code IN ('3377517'))
ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Information bulletins that may apply · 14
Airframe · Fairchild SA227-TT
SAIB 2026-15Forward Pressure BulkheadSAIB 2026-14Rudder Control System, BrakeSAIB CE-20-09Nacelle/Pylon, Frame/Spar/RibSAIB CE-18-11Flight Controls, Elevator Control SystemSAIB CE-17-04Landing Gear, Main Landing GearSAIB CE-16-06Flight Controls, Rudder Control SystemSAIB CE-16-04Engine Controls, Power LeverSAIB CE-15-09Windows; Flight Compartment WindowsSAIB CE-15-05R1Flight Controls, Aileron Control SystemSAIB CE-13-42Wings, AileronsSAIB CE-13-41Landing Gear, Landing Gear ActuatorSAIB CE-13-10Windshield/Door Rain/Ice RemovalSAIB CE-12-08Flight Controls, Elevator Control SystemSAIB CE-11-26Wings: Wing SkinHistorical bulletins · 1
Query with SQL
duckdb -csv -c "SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('3377517'))
GROUP BY s.saib_number ORDER BY issue_date DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT s.saib_number, any_value(s.title) AS title, max(s.issue_date) AS issue_date, any_value(s.status) AS status
FROM 'https://openairdocs.org/data/latest/faa_saib.parquet' s
WHERE s.saib_id IN (SELECT saib_id FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_saib.parquet' WHERE aircraft_model_code IN ('3377517'))
GROUP BY s.saib_number ORDER BY issue_date DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
Registered aircraft · 0
No aircraft currently registered with this model
NTSB investigations
No NTSB investigations matched to aircraft with this modelMatched through the registry by N-number, so foreign aircraft and some older cases aren’t counted.
FAA incident reports
No reports matched to aircraft of this modelMatched through the registry by N-number, so foreign aircraft and some older reports aren’t counted.
Service difficulty reports · 11
SDR 2013FA0000704Static Inverter · damagedDURING APPROACH, A PASSENGER NOTICED SPARKS COMING FROM THE AREA OF THE AFT MOUNTED CABIN AC INVERTER. ACCORDING TO PASSENGERS AND CREW, THERE WAS NOTHING PLUGGED IN OR THE 110 VOLT AC OUTLET ON THE INVERTER FRONT PANEL. AFTER AN UNEVENTFUL LANDING, MECHANICSDR 99ZZZX3386Nut · crackedREAR TURBINE NUT PN 865082-1 WAS REMOVED AND FOUND TO HAVE GALLED THREADS AND CRACKS IN THE THREADS. THIS ENGINE HAS 596.0 HOURS SINCE OVERHAUL. TURBINE NUT APPEARS TO HAVE BEEN RE-USED. SUBMITTER STATED THESE NUTS SHOULD BE A ONE-TIME USE ONLY.SDR 99ZZZX1128Engine · seizedA FUNCTIONAL CHECK FLIGHT WAS CONDUCTED WHICH CONSISTED OF 0.5 HOURS AND 1 CYCLE. THE NORMAL COOL DOWN PERIOD WAS ACCOMPLISHED, AFTER AN UNEVENTFUL FLIGHT AND SHUT DOWN WERE COMPLETED. THE NEXT MORNING, A PRE-FLIGHT WAS CONDUCTED AND FOUND THE RT PROPELLER WSDR 97ZZZX2372Master Cylinder · leakingDURING A ROUTINE AND B LETTER CHECK, FOUND BOTH PILOTS' LEFT AND RIGHT MASTER CYLINDERS LEAKING. BOTH CYLINDERS WERE REPLACED.SDR 97ZZZX2371Fairing · chafedBOTH LEFT AND RIGHT ENGINE EXHAUST PIPE FAIRINGS WERE FOUND CHAFED COMPLETELY THROUGH THE LOWER PORTION OF THE SEAL AND INNER FLANGE OF THE FAIRINGS. THIS WAS DISCOVERED DURING THE NORMAL A AND B LETTER CHECK INSPECTION.SDR 97ZZZX2370Fairing · chafedBOTH LEFT AND RIGHT ENGINE EXHAUST PIPE FAIRINGS WERE FOUND CHAFED COMPLETELY THROUGH THE LOWER PORTION OF THE SEAL AND INNER FLANGE OF THE FAIRINGS. THIS WAS DISCOVERED DURING THE NORMAL A AND B LETTER CHECK INSPECTION.SDR 97ZZZX2369Switch · miswiredDURING THE PROCESS OF TROUBLESHOOTING A YAW DAMPENER PROBLEM, DISCOVERED THE POSITION OF THE SWITCH (RIGHT OR LEFT),INDICATING FROM WHICH BUS IT RECEIVED POWER, WAS REVERSED. CORRECTED THIS CONDITION AND ASSUMED THE AIRCAFT HAS BEEN WIRED THIS WAY SINCE IT WASDR 97ZZZX2364Skin · chafedDURING AN ENGINE EXHAUST PIPE FAIRING CHANGE, DISCOVERED A STEEL BRAIDED FUEL VENT LINE HAD CHAFED INTO THE TOP SKIN OF THE LEFT WING NEAR THE EXHAUST PIPE. THE CHAFED AREA WAS 1.25 INCHES LONG, .4375 INCH WIDE BY .017 INCH DEEP. FAIRCHILD ENGINEERING DETERMSDR 97ZZZX533Battery · leakingDURING AN INSPECTION, THE ELT BATTERY WAS DUE FOR REPLACEMENT. FOUND BATTERY LEAKING WHEN REMOVED. NO DAMAGE WAS FOUND TO ELT UNIT. OPS CHECKS SATISFACTORY WITH NEW BATTERY INSTALLED. APPEARED TO LEAK AROUND CORNER OF CASE THAT WAS SEALED AT MANUFACTURER.SDR 96ZZZX3726Bolt · improperSECOND OCCURRENCE ON THIS TYPE AIRCRAFT WITH HEAVY TRUSS. SIDE MOUNT ISOLATOR THROUGH-BOLT DOES NOT ENGAGE LOCKING DEVICE IN ENGINE MOUNT TRUSS. VENDOR (LORD) CALLS FOR NRS627-H46 AND LM427-10 WASHER. FAIRCHILD CALLS FOR NAS627-50 WITH MS20002C7 WASHER. USSDR 96ZZZX3512Bolt · wrong partDURING SCHEDULED INSPECTION, FOUND ENGINE SIDE MOUNT ISOLATOR THROUGH-BOLTS NOT PROPERLY ENGAGING LOCKING DEVICE IN TRUSS. VENDOR (LORD) SPECIFIES NAS627-H46 BOLT WITH .090 INCH BY 1.5 INCH WASHER, FAIRCHILD SPECIFIED NAS627-50 BOLT WITH APPROXIMATELY .075 IN
Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE aircraft_model_key = 'SA227TT' ORDER BY difficulty_date DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE aircraft_model_key = 'SA227TT' ORDER BY difficulty_date DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
STCs that may be installed · 94
Approved for this model: the STC’s model list names it on its data sheet, or a series that includes it. The registry doesn’t record which STCs an aircraft has.
STC SA02571SEInstallation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).STC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.STC SA01861SEFabrication and installation of Landing Light Controller
See all 94 STCsQuery with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
WHERE aircraft_model_code IN ('3377517')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
SELECT stc_number, min(matched_model) AS matched_model
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
WHERE aircraft_model_code IN ('3377517')
GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_numberRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
The same model under other registry codes
Amateur-built copies and renamed makers get their own codes.
Query with SQL
duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
WHERE m.match_key = 'SA227TT' AND m.code NOT IN ('3377517')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
WHERE m.match_key = 'SA227TT' AND m.code NOT IN ('3377517')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.