# NTSB LAX04FA075: Learjet 24B, N600XJ, Helendale, CA, December 23, 2003

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Class 1 · Field · Final report
- Date: December 23, 2003, 09:11 local (17:11 UTC)
- Place: Helendale, CA
- Coordinates: 34.718055, -117.256111
- Nearby events: https://openairdocs.org/map.md?lat=34.7181&lon=-117.2561&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report May 26, 2006
- Report: Board-adopted at Board Meeting
- Investigation class: Class 1
- Parties: Bombardier Aerospace, Federal Aviation Administration
- NTSB case key (mKey): 58531
- NTSB case page: https://www.ntsb.gov/investigations/Pages/LAX04FA075.aspx
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/58531/pdf
- Board report AAB0604 (PDF): https://www.ntsb.gov/investigations/AccidentReports/Reports/AAB0604.pdf
- Page: https://openairdocs.org/ntsb/LAX04FA075

## Probable cause

A loss of airplane control for undetermined reasons.

## Sequence of events

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

- Loss of control - in flight, climb - to cruise
  - reason for occurrence undetermined (cause)
- In flight collision with terrain/water, descent - uncontrolled
  - terrain condition - ground

## Analysis

The Safety Board adopted the final report of this accident investigation, including the analysis and probable cause, on May 23, 2006.  The Board's full report is available on :  http://www.ntsb.gov/publictn/2006/AAB0604.pdf

On December 23, 2003, about 0913 Pacific standard time, a Learjet 24B, N600XJ, registered to and operated by Pavair, Inc., Santa Monica, California, departed controlled flight and crashed near Helendale, California.  The captain and the first officer were fatally injured, and the airplane was destroyed.  The flight was operating under the provisions of 14 Code of Federal Regulations (CFR) Part 91 from San Bernardino County Airport (CNO), Chino, California, to Friedman Memorial Airport, Hailey, Idaho.  Visual meteorological conditions prevailed for the flight, which operated on an instrument flight rules flight plan.

## Factual narrative

The Safety Board adopted the final report of this accident investigation, including the analysis and probable cause, on May 23, 2006.  The Board's full report is available on :  http://www.ntsb.gov/publictn/2006/AAB0604.pdf

On December 23, 2003, about 0913 Pacific standard time, a Learjet 24B, N600XJ, registered to and operated by Pavair, Inc., Santa Monica, California, departed controlled flight and crashed near Helendale, California.  The captain and the first officer were fatally injured, and the airplane was destroyed.  The flight was operating under the provisions of 14 Code of Federal Regulations (CFR) Part 91 from San Bernardino County Airport (CNO), Chino, California, to Friedman Memorial Airport, Hailey, Idaho.  Visual meteorological conditions prevailed for the flight, which operated on an instrument flight rules flight plan.

## Aircraft

- Registration: [N600XJ](https://openairdocs.org/deregistered/N600XJ-2013-06-07), registration cancelled 2013-06-07, S/N 190, built 1969 (OpenAirDocs)
- Reported make and model: Learjet 24B
- Registry model: [Learjet 24B](https://openairdocs.org/model/learjet-24b) (registry code 5170306) (OpenAirDocs)
- Registry engine: [GE CJ610-5&6](https://openairdocs.org/engine/ge-cj610-5-6) (registry code 30013, turbo-jet) (OpenAirDocs)
- Category: Airplane
- Serial number: 190
- Airframe hours: 9438.9
- Engines: General Electric CJ-610-6 2950 lbs thrust turbo jet
- Damage: Destroyed
- Fire: On-Ground
- Flight: Executive/Corporate, Part 91
- Registered owner: Pavair, Inc.
- Airworthiness certificate: Standard, Transport
- Last inspection: Continuous airworthiness, November 23, 2002, 67.8 hours before
- Departed: CNO, Chino, CA
- Destination: SUN, Sun Valley, ID
- Flight plan: IFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 51; injuries: fatal; airline transport, flight instructor, commercial, private; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; last flight review September 9, 2002; seat: left; toxicology performed; flight hours: 11,750 total, 8,170 in this make and model
- Co-pilot; age 23; injuries: fatal; flight instructor, commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; last flight review November 7, 2003; seat: right; toxicology performed; flight hours: 250 total, 10 in this make and model

## Weather

- Conditions: Visual (VMC), Day
- Wind: 100° at 4 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 45 °F, dew point 28 °F
- Altimeter: 30.11 inHg
- Observed at: KDAG, 25 nm away

## FAA reports on this event (1)

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

- [Accident 20031223032379A](https://openairdocs.org/incident/20031223032379A), Dec 23, 2003: Lear 24B, Helendale, CA, Destroyed, 2 fatal. (-23) Aircraft departed cno on 12-23-2003 to pick up passenger/passengers at sun valley, Idaho. Pilot declared an emergency and requested to return to cno…

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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