Aircraft model · Rotorcraft · Rotorcraft · registry code 7640104

Manufacturer (registry)
ROBINSON HELICOPTER
Model
R22 ALPHA
Registry code
7640104
Registered
16 aircraft
Type
Rotorcraft
Engines
1 · Reciprocating
Seats
2
Weight class
Up to 12,499 lb
Certification
Type certificated
Data sheet
TCDSH10WE
Holder
Robinson Helicopter Company

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

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Aircraft by year built · 44

1969Registered nowDeregistered2026
Aircraft by the year they were built: 44 aircraft
19691
19831
198430
198510
19891
19901

Airworthiness directives that may apply · 27

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

1981In forceSuperseded2026
ADs by the year they took effect: 33 ADs
19811
19861
19881
19902
19921
19941
19955
19963
19971
19982
19992
20002
20031
20041
20051
20081
20101
20111
20131
20151
20211
20231
20241
See all 36 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 ('7640104'))
  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 · 6

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 ('7640104'))
  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 · 16

See all 16 registered aircraft
Query with SQL
duckdb -csv -c "SELECT n_number, serial_number, year_manufactured, status, registrant_name, registrant_city, registrant_state
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet'
  WHERE aircraft_model_code IN ('7640104')
  ORDER BY n_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.

NTSB investigations · 41

Aircraft matched to this model through the registry, by N-number and event date, checked against the reported serial number, make and model.

See all 41 investigations
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = a.case_mkey
  WHERE a.aircraft_model_code IN ('7640104')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" 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.

FAA incident reports · 51

Matched to this model through the registry, by N-number and event date, checked against the reported make and model.

See all 51 incident reports
Query with SQL
duckdb -csv -c "SELECT report_number, event_date, event_type, city, state, aircraft_make, aircraft_model, aircraft_damage, fatal_injuries, n_number
  FROM 'https://openairdocs.org/data/latest/faa_incident_report.parquet'
  WHERE aircraft_model_code IN ('7640104')
  ORDER BY event_date DESC, report_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.

Service difficulty reports · 15

SDR 2007FA0001081Oil Cooler · crackedAT A 100 HR INSPECTION ON HELICOPTER, INSTALLED A NEW OIL COOLER REPLACING THE ORIGINAL OIL COOLER. (NOVEMBER 5, 2007, HOUR METER 1042) WHILE FLYING, NOTICED THE OIL TEMPERATURE RISING AND THE OIL PRESSURE DROPPING. MADE AN UNSCHECULED LANDING AND DISCOVEREDSep 26, 2007 · N97CP · Robsin R22ALPHA · Engine Oil CoolerSDR AU510002172Filter · mismanufactured(AUS) ENGINE OIL FILTER ELEMENT INCORRECTLY BONDED. CARDBOARD FILTER SEAM WAS ONLY JUST HOLDING TOGETHER. (CASA NR 510002172)Nov 11, 2005 · Robsin R22ALPHA · Reciprocating Engine Oil SystemSDR AU510001906Blade · distorted(AUS) MAIN ROTOR BLADE BENT. BEND LOCATED IN AREA APPROXIMATELY 200MM (7.8IN) OB OF THE BLADE DOUBLER AND RUNNING ALONG THE CHORDWISE AXIS. A STRINGLINE WAS RUN DOWN THE LEADING EDGE OF THE BLADE AND THE DEVIATION FROM THIS AT THE BEND WAS 19MM TO 20MM (0.74IOct 9, 2005 · Robsin R22ALPHA · Main Rotor BladesSDR AUS20040277Drive Belt · damaged(AUS) ENGINE TO TRANSMISSION DRIVE BELTS STRETCHED AND WORN.Apr 20, 2004 · Robsin R22ALPHA · Engine/Transmission CouplingSDR AUS20020321Pushrod · distorted(AUS) NO4 CYLINDER EXHAUST VALVE PUSHROD BENT. EXHAUST VALVE DID NOTAPPEAR TO BE STUCK OR TIGHT IN THE VALVE GUIDE.Mar 2, 2002 · Robsin R22ALPHA · Reciprocating Engine Cylinder SectionSDR AU001201Yoke · cracked(AUS) MAIN ROTOR YOKE CRACKED IN THE AREA DESCRIBED IN AD/R22/49.Dec 20, 2000 · Robsin R22ALPHA · Main Rotor HeadSDR 20000804SH003Tab · bentFOUND SEVERAL CAPS WITH BROKEN AND BENT LOCKING TABS. ALSO, CORRODED/STUCK SPRUNG IN CAP - EITHER WILL CAUSE DISRUPTION OF POWER TO CLUTCH MOTOR PREVENTING PROPER ACTUATOR FUNCTION WHICH COULD CAUSE PILOT TO MAKE PRECAUTIONARY LANDING. SUBMITTER RECOMMENDEDAug 4, 2000 · N22HF · Robsin R22ALPHA · AC Power Distribution SystemSDR AU000429Bearing · worn(AUS) TAIL ROTOR TEETER BEARINGS WEARING PREMATURELY.May 8, 2000 · Robsin R22ALPHA · Tail Rotor HeadSDR AU990478Frame · cracked(AUS) FUSELAGE UPPER FRAME ASSEMBLY CRACKED AT THE EDGE OF THE WELDED JOINT ON THE DIAGONAL STRUT BETWEEN THE UPPER AND LOWER FRAME HEXAGONAL BOLT ATTACHMENT POINT AND THE REAR RIGHT MAIN ROTOR TRANSMISSION MOUNTING BOLT TRUNNION. INVESTIGATION OF WITNESS MARMay 12, 1999 · Robsin R22ALPHA · Fuselage Main, FrameSDR AU981413Sump · clogged(AUS) RECENTLY OVERHAULED MAIN TRANSMISSION CONTINUALLY RUNNING HOT. INVESTIGATION FOUND THAT THE SUMP WAS SLUDGED.Oct 28, 1998 · Robsin R22ALPHA · Main Rotor GearboxSDR AU980965Gearbox · malfunctioned(AUS) TAIL ROTOR GEARBOX FAULTY. GEARBOX OIL BLACK. EVIDENCE OF GEAR SLIPPAGE.Aug 6, 1998 · Robsin R22ALPHA · Tail Rotor GearboxSDR 97ZZZX3104Valve · crimp nut looseDURING A00-HOUR INSPECTION OF OIL SCREEN, FOUND NUT ON END OF VERNATHERM THERMOSTATIC VALVE WAS LOOSE. ACCORDING TO LYCOMING SB 518C, THIS PART NUMBER AND SERIAL NUMBER ARE NOT REQUIRED TO HAVE THE INSPECTIONS LISTED TO DETERMINE IF THE NUT IS LOOSE. VALVE WJun 24, 1997 · N8497Y · Robsin R22ALPHA · Engine Oil Temperature RegulatorSDR 97ZZZX1144Muffler · brokenFOUND ON ANNUAL INSPECTION, FLAME TUBES BROKEN LOOSE INSIDE OF THE MUFFLER AND SEVERAL PIECES BLOCKING SOME OF THE EXHAUST STACK OPENING.Mar 4, 1997 · N8561V · Robsin R22ALPHA · Engine Noise SuppressorSDR 96ZZZX268Bracket · brokenINSPECTION FOUND BEARING SUPPORT BRACKET BROKEN OFF AT ATTACH POINT IN TAILBOOM. NOTE: BRACKET WAS SENT BACK TO RHC FOR SAME REPAIR AT 617.6 HOURS TT ON SHIP 1610.Nov 30, 1995 · N8536Y · Robsin R22ALPHA · Rotorcraft Tail BoomSDR LJER950516Gearbox · under torqueTAIL ROTOR GEARBOX OUTPUT SHAFT RETAINING NUT, PN MS1414526, WAS FOUND SLIPPING AND UNDERTORQUED. DURING 100-HOUR INSPECTION, TAIL ROTOR BLADE ROTATION NOTED MOVING MORE THAN NORMAL GEAR BACKLASH. TEAR DOWN OF THE T/R GEARBOX REVEALED NUT TORQUED TO 75 INCHEMay 16, 1995 · N511TT · Robsin R22ALPHA · Tail Rotor Gearbox
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 = 'R22ALPHA'
  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 · 64

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 64 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 ('7640104')
    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 · 88

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 88 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 ('H10WE')
    AND len(list_intersect(tcds_models, ['R22 ALPHA'])) > 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.