# NTSB LAX93LA037: Cessna TU206G, Ruby, AZ, November 13, 1992

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: November 13, 1992, 14:00 local (21:00 UTC)
- Place: Ruby, AZ
- Location: 31.4612° N, 111.2376° W: Placed by OpenAirDocs: center of Ruby, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.4612&lon=-111.2376&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report August 26, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 27862
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX93LA037
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/27862/pdf
- Page: https://openairdocs.org/ntsb/LAX93LA037

## Probable cause

FUEL EXHAUSTION DUE TO INACCURATE PREFLIGHT PLANNING.

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, maneuvering
  - fluid,fuel - exhaustion (cause)
  - preflight planning/preparation - inaccurate, pilot in command (cause)
  - fuel supply - inadequate (cause)
- In flight collision with terrain/water, maneuvering - turn to landing area (emergency)
  - terrain condition - mountainous/hilly

## Analysis

THE MEXICAN REGISTERED AIRCRAFT COLLIDED WITH HILLY TERRAIN WHILE MANEUVERING FOR A PRESUMED LANDING FOLLOWING FUEL EXHAUSTION IN A REMOTE DESERT AREA NEAR THE MEXICO AND US BORDER. POST CRASH EXAMINATION OF THE FUEL SYSTEM REVEALED THAT IT WAS INTACT AND ONLY ABOUT FIVE OUNCES OF FUEL WERE FOUND IN THE TOTAL SYSTEM. THE FUEL SYSTEM HAD BEEN MODIFIED WITH THE ADDITION OF NON STANDARD LONG RANGE BLADDER TANKS IN THE WINGS. ACCORDING TO INFORMATION FROM THE COUNTY SHERIFF'S OFFICE, US CUSTOMS AND THE DRUG ENFORCEMENT ADMINISTRATION, THE AIRCRAFT REPORTEDLY DEPARTED DURANGO, MEXICO, AT AN UNKNOWN TIME WITH A PRESUMED DESTINATION OF NOGALES, MEXICO (17 MILES SOUTH OF THE CRASH SITE). US CUSTOMS AND DEA REPORTED THAT THE AIRCRAFT ENTERED THE UNITED STATES AT LOW ALTITUDE WITHOUT A FLIGHT PLAN OR ENTRY DECLARATION. THE AIRCRAFT WAS OBSERVED BY GROUND WITNESSES FLYING LOW IN THE GULLIES AND VALLEYS OF THE HILLY DESERT TERRAIN, THEN THEY HEARD THE ENGINE SPUTTER AND STOP. THE AIRCRAFT COLLIDED WITH THE SLOPE OF A HILL SIDE IN A GULLY WITH FLAPS IN A LANDING CONFIGURATION.

## Aircraft

- Registration: XBBRI (not matched to a registry record)
- Reported make and model: CESSNA TU206G
- Category: Airplane
- Serial number: U20605340
- Airframe hours: 1698
- Engines: CONTINENTAL TSIO-520M 300 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Operator: Raul Reyes-Zavala
- Registered owner: La Vorita Import & Export, S A
- Airworthiness certificate: Standard, Normal
- Last inspection: Unknown, January 2, 2000
- Departed: UNK, DURANGO
- Destination: UNK, NOGALES

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; foreign; airplane ratings: single-engine land; instrument ratings: airplane; medical: unknown, unknown; seat: left; toxicology performed

## Weather

- Conditions: Visual (VMC), Day
- Wind: 170° at 5 knots
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 81 °F, dew point 19 °F
- Altimeter: 30.00 inHg
- Observed at: TUC, 48 nm away

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
