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Gates Learjet 55

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Aircraft model · Fixed wing multi engine · Airplane · registry code 5170702

Manufacturer (registry)
GATES LEARJET CORP
Model
55
Registry code
5170702
Registered
54 aircraft
Type
Fixed wing multi engine
Engines
2 · Turbo-fan
Seats
13
Weight class
12,500 to 19,999 lb
Certification
Type certificated
Data sheet
TCDSA10CE
Holder
Learjet Inc.

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

On this page

Aircraft by year built · 97

1955Registered nowDeregistered2026

Airworthiness directives that may apply · 20

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

1984In forceSuperseded2026
See all 21 ADs
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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 ('5170702'))
  ORDER BY coalesce(d.effective_date, d.publication_date, d.issue_date) DESC, d.ad_number DESC"

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Information bulletins that may apply · 3

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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 ('5170702'))
  GROUP BY s.saib_number ORDER BY issue_date DESC"

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Registered aircraft · 54

N126KLAircraft Fidelity Corp Trustee · Dover, DEBuilt 1984 · S/N 096N155ERAir Medical Services LLC · Denver, NCBuilt 1984 · S/N 55-098N155SJLopez Fabio · Denver, NCBuilt 1984 · S/N 102
See all 54 registered aircraft
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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 ('5170702')
  ORDER BY n_number"

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STCs approved for this model · 105

STC SA00276SEInstallation of emergency medical stretcher, oxygen, and electrical systems.LifePort, LLCSTC SA01213CHInstall air ambulance conversion in accordance with Spectrum Aeromed Inc. Drawings as listed on AML SA01213CH, or later FAA approved revision.Spectrum Aeromed LLC dba Spectrum AeromedSTC SA01452CHInstallation of an air ambulance conversion kit.Med-Pac Inc.
See all 105 STCs
Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date
  FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s
  WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE model_key = '55')
  ORDER BY s.status = 'Current' DESC, s.stc_number"

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NTSB investigations · 6

Aircraft matched to this model through the registry, by N-number and event date.

Defining event, 2008 on

Of 3 cases NTSB coded with a defining event. All defining events

In the probable cause, 2008 on

Findings NTSB made part of the probable cause. A case can have several. All findings

First occurrence, 1982 to 2007

Of 2 cases with NTSB’s older coding, defined in its coding manual.

NTSB ERA23LA126Accident · No injuriesClass 3 · LimitedFinal reportGates Learjet 55 · Rochester, NYThe pilots’ failure to attain a proper landing flare and touchdown point, which resulted in a hard landing short of the runway.Feb 11, 2023 · N600C · Substantial damageNTSB ERA20CA113Accident · No injuriesData collectionFinal reportLearjet 55 · Farmingdale, NJThe flight crew's failure to stop the airplane on the available runway, which was wet and resulted in the airplane impacting a ditch.Feb 26, 2020 · N135LR · Substantial damageNTSB ERA16WA310Accident · No injuriesForeign investigationLearjet 55 · Eleuthera, BahamasOn August 25, 2016, about 1903 universal coordinated time, a Learjet 55, N666TK, operated by RCR7 LLC, was substantially damaged during a runway excursion following an aborted takeoff at North Eleuthera Airport, Eleuthera, Bahamas. The two pilots and seven…Aug 25, 2016 · N666TK · Substantial damageNTSB MIA04FA107Accident · No injuriesField investigationFinal reportLearjet 55 · Fort Lauderdale, FLThe flight crew's decision to continue the approach into known area of potentially severe weather (Thunderstorm), which resulted in the flight encountering a 30 knot cross wind, heavy rain, low-level wind shear, and hydroplaning on a ungrooved contaminated…Jul 19, 2004 · N55LF · Substantial damageNTSB BFO87LA015Accident · No injuriesLimited investigationFinal reportRockwell 500S · Lynchburg, VAAfter leaving clouds about 4500 feet MSL, the PIC made a visual approach to runway 03 at Lynchburg municipal. On short final the copilot stated that he noticed what seemed to be a gradual increase in pitch attitude while the aircraft was still too high off…Jan 17, 1987 · N717AM · Substantial damageNTSB FTW81FA102Accident · No injuriesClosedPiper PA-31P · Dallas, TXJun 8, 1981 · N805PC · Substantial damage
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 ('5170702')
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

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FAA incident reports · 23

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

Incident 20240226001359IGates Learjet 55 · St. Petersburg, FLSt Petersburg-clearwater, FL (pie): [privacy data omitted], LJ55, pie - Mroc, departed runway 36 and declared an Emergency due to a blown tire. Aircraft returned To pie and landed without further incident. The Aircraft was inspected and then towed back to The…Feb 26, 2024 · N989AW · Minor damageAccident 20230211003059AGates Learjet 55 · Rochester, NYOn Monday, February 13, the Rochester NY FSDO AFG-100 received notification of an occurrence on Saturday, February 11th at 17:58Z (12:58 EST) at the Rochester NY international airport (roc) involving lear 55, [privacy data omitted] owned by a part 91 operator…Feb 11, 2023 · N600C · Substantial damageIncident 20220226023389IGates Learjet 55 · Boston, MADuring departure from runway 27, aircraft ingested a bird into the #1 engine just after rotation. There was a slight loss of power, Accompanied by a vibration and a burning smell in the cabin. An emergency was declared and the aircraft was returned to the…Feb 26, 2022 · N55AR · Minor damage
See all 23 incident reports
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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 ('5170702')
  ORDER BY event_date DESC, report_number DESC"

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Service difficulty reports

No reports name this modelGeneral aviation reporting is voluntary.

The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

Learjet 554 registered aircraftRegistry code 5170804
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 = '55' AND m.code NOT IN ('5170702')
  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.