# NTSB CHI86LA078: Mooney M20-K, N1156C, Madison, WI, January 26, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 26, 1986, 15:30 local (21:30 UTC)
- Place: Madison, WI
- Coordinates: 43.010982, -89.420097 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.0110&lon=-89.4201&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 13417
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI86LA078
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/13417/pdf
- Page: https://openairdocs.org/ntsb/CHI86LA078

## Sequence of events

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

- In flight collision with terrain/water, landing - flare/touchdown
  - gear extension - not performed, pilot in command (cause)
  - checklist - not used, pilot in command (contributing factor)
  - wheels up landing - inadvertent, pilot in command (cause)
  - diverted attention, pilot in command (cause)
  - lack of recent experience, pilot in command (contributing factor)

## Analysis

A GEAR UP LANDING WAS PERFORMED BY THE PILOT. HE STATED THAT HE WAS DISTRACTED BY AN AIRLINER AHEAD OF HIM IN THE PATTERN AND DID NOT CONSULT HIS BEFORE LANDING CHECKLIST. HE ALSO STATED THAT HE HAD NOT FLOWN MUCH IN THE LAST THREE MONTHS.

## Aircraft

- Registration: N1156C (not matched to a registry record)
- Reported make and model: MOONEY M20-K
- Category: Airplane
- Serial number: 25-0638
- Airframe hours: 629
- Engines: CONTINENTAL TSIO-360-GB4 210 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Khosro Adib
- Airworthiness certificate: Standard, Normal
- Last inspection: Unknown, January 2, 1986
- Airport: MSN, Dane County Regional Arpt, runway 22, 4,699 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 40; private, commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 845 total, 270 in this make and model, 812 as pilot in command, 5 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 8 knots
- Visibility: 10 statute miles
- Lowest ceiling: 7,000 ft overcast
- Temperature: 3 °F, dew point 3 °F
- Altimeter: 29.00 inHg

## 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 19860126001689A](https://openairdocs.org/incident/19860126001689A), Jan 26, 1986: Mooney M20K, Madison, WI, Substantial damage. Forgot to extend the landing gear. Landed gear up. Headset blocked out the gear warning horn.

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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