# NTSB FTW84FA100: Mooney M20F, N7165V, Ada, OK, December 22, 1983

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: December 21, 1983, 18:20 local (Dec 22, 1983, 00:20 UTC)
- Place: Ada, OK
- Coordinates: 34.770503, -96.660247 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.7705&lon=-96.6602&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal, 2 serious
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21094
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW84FA100
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21094/pdf
- Page: https://openairdocs.org/ntsb/FTW84FA100

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, takeoff - initial climb
  - aircraft preflight - inadequate, pilot in command (cause)
  - fluid,fuel - water (cause)
  - fluid,fuel - ice (cause)
- Forced landing, maneuvering - turn to landing area (emergency)
  - light condition - dark night (contributing factor)
  - airspeed - not maintained, pilot in command (cause)
  - stall - inadvertent, pilot in command
- Loss of control - in flight, maneuvering - turn to landing area (emergency)
- In flight collision with terrain/water, maneuvering - turn to landing area (emergency)

## Analysis

THE ENG LOST POWER SHORTLY AFTER TAKEOFF & THE ACFT STALLED WHILE IN A SLIGHT LEFT TURN. EXAMINATION REVEALED THAT THE LEFT WING FUEL SUMP DRAIN CONTAINED FROZEN WATER IN THE DRAIN PORTS. THE FUEL INJECTOR SCREEN, AFTER THAWING OUT, CONTAINED FROZEN WATER CONTAMINANTS. RUSTY WATER WAS FOUND IN THE FUEL INJECTOR. THE ACFT WAS LAST FUELED ON 12/10/83. THE ACFT WAS KEPT IN AN UNHEATED HANGAR. THE TEMPERATURE IN THE ADA AREA HAD BEEN IN THE AREA OF 10 DEG FOR SEVERAL DAYS PRIOR TO THE ACCIDENT.

## Aircraft

- Registration: [N7165V](https://openairdocs.org/deregistered/N7165V-1995-10-02), registration cancelled 1995-10-02, S/N 220074 (OpenAirDocs)
- Reported make and model: MOONEY M20F
- Registry model: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214) (OpenAirDocs)
- Category: Airplane
- Serial number: 22-0074
- Airframe hours: 1165
- Engines: LYCOMING IO-360-A1A 200 horsepower reciprocating
- Damage: Minor damage
- Flight: Personal, Part 91
- Registered owner: Paul Raymond Floyd
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 17, 1983, 72 hours before
- Destination: CHK, CHICKASHA, OK
- Airport: ADH, Ada Municipal, runway 35, 5,000 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; toxicology performed; flight hours: 824 total, 590 in this make and model, 40 in the last 90 days, 6 in the last 30 days

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 360° at 11 knots
- Visibility: 7 statute miles
- Lowest ceiling: 1,500 ft overcast
- Temperature: 10 °F, dew point 5 °F
- Observed at: MLC, 50 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 19831221074289A](https://openairdocs.org/incident/19831221074289A), Dec 21, 1983: Mooney M20F, Ada, OK, Substantial damage, 1 fatal. Crash occurred when engine lost power shortly after lift off. Aircraft stalled and crashed.

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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