# NTSB FTW83LA346: Cessna 150L, N1639Q, Uvalde, TX, July 23, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 23, 1983, 16:53 local (21:53 UTC)
- Place: Uvalde, TX
- Coordinates: 29.209003, -99.780357 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=29.2090&lon=-99.7804&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 20985
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW83LA346
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/20985/pdf
- Page: https://openairdocs.org/ntsb/FTW83LA346

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, cruise - normal
  - planning/decision - improper, pilot in command (cause)
  - fluid,fuel - exhaustion (cause)
  - fuel supply - inadequate, pilot in command (cause)
- Forced landing, landing
- On ground/water collision with object, landing - roll
  - object - utility pole (contributing factor)

## Analysis

WHILE THE STUDENT WAS ON A CROSS-COUNTRY FLT, THE ENG LOST POWER AFTER THE ACFT HAD BEEN FLYING 3.6 HRS. SHE MADE AN EMERGENCY LANDING ON A RANCH ROAD; HOWEVER, DURING THE ROLL-OUT, THE RIGHT WING STRUCK A TELEPHONE POLE. THE ACFT HAD A USABLE FUEL SUPPLY OF 22.5 GAL. FUEL CONSUMPTION FOR TAKEOFF, CLIMB & CRUISE WAS ESTIMATED TO BE 21.94 GAL. NO PREIMPACT MECHANICAL FAILURE OR MALFUNCTION WAS FOUND.

## Aircraft

- Registration: [N1639Q](https://openairdocs.org/deregistered/N1639Q-1998-06-15), registration cancelled 1998-06-15, S/N 15072939 (OpenAirDocs)
- Reported make and model: CESSNA 150L
- Registry model: [Cessna 150L](https://openairdocs.org/model/cessna-150l) (registry code 2071826) (OpenAirDocs)
- Category: Airplane
- Serial number: 15072939
- Airframe hours: 2161
- Engines: CONTINENTAL O-200 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Chaparral Aviation
- Registered owner: Jim Radke
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 25, 1983, 84 hours before
- Departed: 7TX6, MIDLAND, TX
- Destination: UVA, UVALDE, TX
- Flight plan: VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 32; student; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 39 total, 39 in this make and model, 7 as pilot in command, 5 in the last 90 days, 4 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 12 knots
- Visibility: 20 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).

- [Accident 19830723034499A](https://openairdocs.org/incident/19830723034499A), Jul 23, 1983: Cessna 150L, Uvalde, TX, Substantial damage. Crash occurred during emergency landing after engine quit from fuel exhaustion.

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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