# NTSB FTW82DA386: Grumman AA-5A, N26171, Tulsa, OK, September 22, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: September 22, 1982, 11:30 local (16:30 UTC)
- Place: Tulsa, OK
- Coordinates: 36.050685, -96.019515 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.0507&lon=-96.0195&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 22, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72879
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW82DA386
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72879/pdf
- Page: https://openairdocs.org/ntsb/FTW82DA386

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, approach - vfr pattern - final approach
  - touch-and-go - performed, pilot in command
  - weather condition - carburetor icing conditions (contributing factor)
  - carburetor heat - improper use of, pilot in command (cause)
  - fuel system,carburetor - ice (cause)
- Forced landing, landing - flare/touchdown
- In flight collision with terrain/water, landing - flare/touchdown
  - object - fence (contributing factor)
  - terrain condition - ditch (contributing factor)
  - maneuver - performed, pilot in command
- Complete gear collapsed, landing - flare/touchdown
  - landing gear - overload

## Analysis

THE STUDENT PILOT STATED THAT HE MADE SEVERAL TOUCH-AND-GO LANDINGS WITHOUT INCIDENT, WHEN THE ENGINE STARTED "CUTTING OUT" ON FINAL APPROACH. HE REPORTED THAT CARBURETOR HEAT WAS NOT APPLIED UNTIL AFTER THE POWER LOSS BEGAN. HE WAS UNABLE TO RESTORE POWER AND ELECTED TO MAKE A FORCED LANDING IN A PASTURE. AFTER MANEUVERING TO AVOID A FENCE AND A ROAD, THE LANDING GEAR SHEAR OFF DURING A CRASH LANDING AND THE PLANE SLID TO A STOP. THE ENGINE WAS REMOVED AND EXAMINED, BUT NO MECHANICAL REASON FOR A POWER LOSS WAS FOUND. DURING A SUBSEQUENT TEST RUN, THE ENGINE OPERATED NORMALLY.

## Aircraft

- Registration: [N26171](https://openairdocs.org/deregistered/N26171-1994-07-13), registration cancelled 1994-07-13, S/N AA5A0463 (OpenAirDocs)
- Reported make and model: GRUMMAN AA-5A
- Registry model: [Grumman American Avn. AA-5A](https://openairdocs.org/model/grumman-american-avn-aa-5a) (registry code 3960106) (OpenAirDocs)
- Category: Airplane
- Serial number: AA5A-0463
- Airframe hours: 2841
- Engines: LYCOMING O-320-E2G 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Rivair Flying Service, Inc.
- Registered owner: Rivair Flying Service, Inc.
- Departed: RVS, TULSA, OK
- Destination: RVS, TULSA, OK
- Airport: RVS, R.L. Jones Airport, runway 18, macadam

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 22; student; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; flight hours: 25 total, 25 in this make and model, 2 as pilot in command, 15 in the last 90 days, 15 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 200° at 10 knots
- Visibility: 10 statute miles
- Temperature: 176 °F
- Altimeter: 30.00 inHg
- Observed at: RVS

## 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 19820922049909A](https://openairdocs.org/incident/19820922049909A), Sep 22, 1982: Gulstm AA5A, Tulsa, OK, Substantial damage. Engine quit on final. Crash landed short of the runway. No engine defects found. Possible carburetor icing.

## Other investigations on N26171 (1)

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.

- [NTSB ATL86LA086](https://openairdocs.org/ntsb/ATL86LA086), Mar 6, 1986: Grumman American AA5A (N26171), Fayetteville, NC, substantial damage

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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