# NTSB LAX85LA031: Piper PA-22-20, N72480, Chandler, AZ, October 24, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: October 24, 1984, 08:30 local (15:30 UTC)
- Place: Chandler, AZ
- Coordinates: 33.319442, -111.869338 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=33.3194&lon=-111.8693&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24586
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX85LA031
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24586/pdf
- Page: https://openairdocs.org/ntsb/LAX85LA031

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - directional control - not maintained, dual student (cause)
  - diverted attention, dual student (cause)
  - ground loop/swerve - not corrected, dual student (contributing factor)
  - remedial action - delayed, pilot in command(cfi) (cause)
  - supervision - inadequate, pilot in command(cfi) (cause)
  - brakes(normal) - improper use of, dual student (cause)
- Nose over, landing - roll

## Analysis

THE STUDENT PLT STARTED TO RETRACT THE FLAPS DURING A TOUCH-&-GO LANDING WITH A CFI ON BOARD THE ACFT. THE ACFT VEERED AND THE CFI TOOK CONTROL. DURING THIS TIME THE STUDENT APPLIED THE BRAKES. THE RIGHT MAIN LANDING GEAR WENT INTO THE DIRT AND THE ACFT NOSED OVER.

## Aircraft

- Registration: N72480 (not matched to a registry record)
- Reported make and model: PIPER PA-22-20
- Category: Airplane
- Serial number: 22-5074
- Engines: LYCOMING O-320 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Chandler Air Service
- Airworthiness certificate: Standard, Normal
- Departed: P10
- Airport: P10, Chandler, runway 22, 4,400 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 23; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: valid medical--no waivers/lim.; seat: right; flight hours: 800 total, 24 in this make and model, 652 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: 57 °F, dew point 39 °F
- Altimeter: 29.00 inHg
- Observed at: CHD, 10 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.

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