ERA23LA075 · Gates Lear JET CORP. 36
Aery Aviation Gates Lear JET CORP. 36 · Accident: system/component malfunction/failure (non-power) during takeoff
Event
- NTSB case
- ERA23LA075
- Event typeAccident: someone killed or seriously injured, or the aircraft substantially damaged (NTSB definition). Incident: an occurrence that affected or could have affected safety, short of that. Glossary
- Accident
- InvestigationHow far the investigation had got when the record was published: preliminary, ongoing, final or completed. Unknown where the source does not say. Glossary
- Completed
- Event fatalities
- Unknown
- Ground fatalities
- Unknown
- OperationWhat kind of flying it was, grouped by the rules it flew under: airline (US Part 121), air taxi and commuter (Part 135), general aviation (Part 91 and similar), military or government. Glossary
- General aviation
- WeatherVisual meteorological conditions (VMC): good enough to fly by looking outside. Instrument conditions (IMC): cloud or low visibility, flying by instruments. Glossary
- Visual Meteorological Cond
Gates Lear JET CORP. 36
- Aircraft type
- Learjet 36
- Category
- Airplane
- RegistrationThe aircraft's tail number, such as N12345 or G-ABCD. Registrations are reissued, so the same one years apart can be a different aircraft. Glossary
- N12FN
- Operator
- Aery Aviation
- Onboard fatalities
- Unknown
- Route
- From not recordedTo not recorded
- Aircraft age
- About 47 years (built 1975)
- Flight rulesThe regulations the flight operated under: in the US, Part 91 (general aviation), Part 121 (airlines), Part 135 (air taxi and commuter) and others; for flights abroad, the NTSB's coarser commercial or non-commercial code. Glossary
- Part 91: General Aviation
- Phase of flightThe stage of the flight when things started to go wrong: standing, taxi, takeoff, initial climb, en route, maneuvering, approach or landing. Glossary
- Takeoff
- Defining eventThe single coded event the NTSB judges best describes what happened (records from 2008 on). Older records name the first occurrence in the sequence instead. Glossary
- System/component malfunction/failure (non-power)
- DamageDestroyed: beyond practical repair. Substantial: damage that affects the structure, performance or handling and normally needs major repair. Minor: less than that. Glossary
- Substantial
Cause areas
- Aircraft › Aircraft systems
Approximate · Coordinates from the NTSB case API, which marks them as estimated or does not say; no uncertainty radius is established.
NTSB narrative
The pilot-in-command (PIC) reported hearing a “boom” during the takeoff just before reaching V1 and a second “boom” just as he called out V1. The second-in-command (SIC), who was the pilot flying, called to abort the takeoff. Both suspected they had blown tires. They attempted to slow the airplane, but the there was no braking action. The drag chute was deployed but the airplane continued off the end of the runway, traveled through the runway end lights, and into the grass. During the accident sequence, the drag chute separated from the airplane and was located on the runway. Examination of the airplane after the accident revealed that the left main landing gear tire had ruptured and pieces of the tire and the left brake system assembly were found along the runway. The airplane sustained substantial damage to the left wing during the accident. According to the operator’s operations manager, the airplane’s tire pressures should have been checked at least every 7 days. When the tire pressures were checked about 2 weeks before the accident, the left inboard tire pressure was low. Air was added to the tire and the airplane was returned to service. The tire pressures were not documented since that entry. A mechanic from the operator stated the tire pressures were checked the day before the accident, and “the pressure was within limits set forth” by the manufacturer. In addition, the mechanic stated that no maintenance entry was made since no corrective action was needed. Although the mechanic stated he checked the tire pressure the day before the accident, the tire pressured was not checked on the day of the accident, as recommended by the airframe manufacturer. Given this information, it could not be determined whether or not the tires were appropriately inflated at the time of the accident. It is likely, that when the left main landing gear tire ruptured, the tire tread damaged the left main landing gear brake assembly as well as the hydraulic line in the left wing that was ruptured. Subsequently, the hydraulic fluid drained from the system, and the brake system was ineffective due to a lack of hydraulic fluid, and resulted in the flight crew’s inability to stop the airplane on the runway.
Probable cause
A left main landing gear tire rupture during takeoff, which resulted in a runway overrun.
Verbatim NTSB analysis and probable cause from the NTSB dataset
Sources
NTSB record ERA23LA075
- Event ID
- 20221202106398
- Case number
- ERA23LA075
- Dataset
- full-current
- Source SHA-256
- 5cf380f0061817c0331a6b2d8cc7e0ee3a79bea469a1001dc5c10e56f35f5ab3
Source notes (4)
- Unreviewed is an editorial label, not an investigation status. API-sourced is not report-checked or human-reviewed. Explicit event totals are used without summing aircraft injury tables; onboard allocation is withheld. Unknown values remain unknown. The operation category is mapped from the NTSB-reported FAR part and has not been reviewed.
- Filled from the NTSB case API where the bulk record had no value: investigation status, coordinates, cause areas. Values present in the bulk record are kept.
- The date is the local date, which is the same as the UTC date the NTSB stores.
- API snapshot SHA-256: 6161246e3629f5ef2388934fb359fa6ac1492edf3956ade69bda8d8a434d0e3b; retrieved 2026-09-16T16:30:32.478Z.