# NTSB MIA83IA117: Gates Learjet 35A, N369XL, Near Orlando, FL, April 5, 1983

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: April 4, 1983, 22:20 local (Apr 5, 1983, 03:20 UTC)
- Place: Near Orlando, FL
- Coordinates: 28.560867, -81.350898 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=28.5609&lon=-81.3509&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 30828
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA83IA117
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/30828/pdf
- Page: https://openairdocs.org/ntsb/MIA83IA117

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of control - in flight, descent - normal
  - in-flight planning/decision - poor, pilot in command (cause)
  - airspeed - exceeded, pilot in command (cause)

## Analysis

DURING DESCENT THE PILOT IN COMMAND MAINTAINED RED LINE AIRSPEED. THE AIRCRAFT THEN ENCOUNTERED CLEAR AIR TURBULENCE, FOLLOWED BY A LOSS OF CONTROL. THE PILOT EXTENDED THE LANDING GEAR TO SLOW THE AIRCRAFT AND REGAIN CONTROL.

## Aircraft

- Registration: N369XL (not matched to a registry record)
- Reported make and model: Gates Learjet 35A
- Category: Airplane
- Serial number: 35A-423
- Airframe hours: 825
- Engines: GARRETT TFE 731-2 3500 lbs thrust turbo fan
- Damage: Minor damage
- Flight: Ferry, Part 91
- Operator: Prestige Jet
- Registered owner: Intercontinental Aviation, Inc
- Airworthiness certificate: Standard, Normal
- Departed: LAS CRUCES, NM
- Flight plan: IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 3,412 total, 2,162 in this make and model, 3,122 as pilot in command, 118 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Night/dark
- Visibility: 10 statute miles
- Lowest ceiling: none

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19830404048279I](https://openairdocs.org/incident/19830404048279I), Apr 4, 1983: Lear 35A, Orlando, FL, Minor damage. Pilot lost control in a high speed descent. Was able to recover by extending landing gear and using back pressure.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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