# NTSB CHI86FER16: Aero Commander Callair A9B, N7617V, Argyle, MN, August 4, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: August 4, 1986, 11:55 local (16:55 UTC)
- Place: Argyle, MN
- Coordinates: 48.330875, -96.81089 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=48.3309&lon=-96.8109&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 25, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 13332
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86FER16
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13332/pdf
- Page: https://openairdocs.org/ntsb/CHI86FER16

## Sequence of events

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

- In flight collision with terrain/water, maneuvering
  - weather condition - downdraft (contributing factor)
  - pull-up - delayed, pilot in command (cause)

## Analysis

WHILE SETTING UP FOR A SWATH RUN THE PILOT STRUCK THE GROUND IN A WINGS LEVEL DESCENT. HE STATED THAT A 'WHIRLWIND' OR 'DOWNDRAFT' PREVENTED HIM FROM PULLING UP IN TIME TO PRE-VENT IMPACT WITH THE GROUND.

## Aircraft

- Registration: [N7617V](https://openairdocs.org/aircraft/N7617V), registered now, S/N 1345, built 1967 (OpenAirDocs)
- Reported make and model: AERO COMMANDER CALLAIR A9B (CALLAIR A9)
- Registry model: [Aero Commander CALLAIR A-9B](https://openairdocs.org/model/aero-commander-callair-a-9b) (registry code 0144206) (OpenAirDocs)
- Registry engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Serial number: 1345
- Airframe hours: 3356
- Engines: LYCOMING IO-540-G1C5 290 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Johnson Airspray Of Argyle
- Registered owner: Betty Johnson
- Airworthiness certificate: Special, Restricted (Special)
- Last inspection: Annual, June 4, 1986, 35 hours before

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 21; commercial, flight instructor; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: front; flight hours: 425 total, 40 in this make and model, 275 as pilot in command, 50 in the last 90 days, 40 in the last 30 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: variable at 5 knots, gusting 10
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 75 °F

## 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 19860804037339A](https://openairdocs.org/incident/19860804037339A), Aug 4, 1986: Airpts A9B, Argyle, MN, Substantial damage. The spray plane lost lift during a spray run and impacted the ground. The pilot failed to anticipate a downdraft.

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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