Aircraft model · Fixed wing single engine · Airplane · registry code 7101825

Manufacturer (registry)
PIPER/MERVYN FARM COMPANY
Model
PA-18 180
Registry code
7101825
Registered
0 aircraft
Type
Fixed wing single engine
Engines
1 · Reciprocating
Seats
2
Weight class
Up to 12,499 lb
Certification
Not type certificated
Data sheet
TCDS1A2
Holder
Piper Aircraft Inc.

Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.

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Airworthiness directives that may apply · 16

ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.

1956In forceSuperseded2026
ADs by the year they took effect: 19 ADs
19563
19591
19601
19621
19681
19721
19781
19851
19931
19961
19991
20011
20051
20141
20151
20221
20251
See all 19 ADs
Query 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 ('7101825'))
  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.

Information bulletins that may apply · 7

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 ('7101825'))
  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.

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 · 6

SDR 2025FA0000589Exhaust Valve · departedAIRCRAFT WAS IN CRUISE FLIGHT IN BANNER TOW CONFIGURATION. A LOUD AUDITABLE BANG WAS HEARD. ENGINE EXPERIENCED EXTREME VIBRATION FOLLOWED BY TOTAL LOSS OF POWER. PILOT CONDUCTED A FORCED LANDING IN A SOCCER FIELD. UPON ENGINE INSPECTION, #2 CYL. EXPERIENCEAug 14, 2025 · N476SM · Piper PA18180 · Reciprocating Engine Cylinder SectionSDR CA110212002Flap System · malfunctionedDURING SCHEDULED INSP, FOUND THAT WITH THE FLAPS EXTENDED INTO ANY POSITION OTHER THAN FULLY RETRACTED, WILL WITH A MINOR LOAD CAUSE THE OPPOSITE FLAP TO GO ASSYMETRIC. IF THE RT FLAP IS PUSHED UP, THE LT WILL DUMP COMPLETELY DOWN AND VISA VERSA. ACFT KIT MFFeb 12, 2011 · Piper PA18180 · Trailing Edge Flap Control SystemSDR 2007FA0000722Horn · damagedAFTER DEPARTURE PILOT NOTED UNUSUAL STICK RESTRICTION AND ABORTED TOW OF GLIDER. RETURNED FOR LANDING. UPON INSPECTION THE LOWER ARM/HORN OF THE RT ELEVATOR HORN HAD BROKEN. ALL (3) OTHER ARMS WERE UNDAMAGED AND SHOWED NO SIGN OF CRACKS. BOLTS WERE INTACT AND Aug 12, 2007 · N4363Z · Piper PA18180 · Elevator StructureSDR 2005FA0001221Fuel Tank · mismanufacturedLT WING TANK AT 157 HRS SEAM WELD BROKE OPEN WHILE SITTING ON GROUND CAUSING FUEL LEAK INTO WING. WELDS EVALUATED FOUND TO BE THIN AND OF POOR QUALITY.Jul 28, 2005 · N44TC · Piper PA18180 · Fuel StorageSDR 2005FA0001220Fuel Tank · mismanufacturedLT WING TANK AT 157 HRS SEAM WELD BROKE OPEN WHILE SITTING ON GROUND CAUSING FUEL LEAK INTO WING. WELDS EVALUATED FOUND TO BE THIN AND OF POOR QUALITY.Jul 28, 2005 · N44TC · Piper PA18180 · Fuel StorageSDR 99ZZZX2486Flange · brokenA LOUD KNOCKING SOUND EMANATED FROM THE ENGINE COMPARTMENT. SHORTLY AFTER, ENGINE BEGAN TO EXPERIENCE SEVERE VIBRATION AND LOSS OF POWER. THE RAM DROPPED TO 1,100 DEGREES, OIL AND FUEL PRESSURE REMAINED NORMAL. BUT AIRCRAFT CONTINUED TO LOSE POWER AND ALITIMay 28, 1999 · N32506 · Piper PA18180 · Engine Collector/Tailpipe/Nozzle
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 = 'PA18180'
  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.

STCs that may be installed · 412

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.

See all 412 STCs
Query 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 ('7101825')
    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.

PMA parts · 1,000+

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

See all 1,000+ PMA parts
Query with SQL
duckdb -csv -c "SELECT drs_guid, part_number, part_name, holder, pma_number, replaces_part, supplement_date, tcds_models
  FROM 'https://openairdocs.org/data/latest/faa_type_certificate_pma.parquet'
  WHERE tcds_number IN ('1A2')
    AND len(list_intersect(tcds_models, ['PA-18'])) > 0
  ORDER BY supplement_date DESC, drs_guid 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.

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 = 'PA18' AND m.code NOT IN ('7101825')
  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.