# NTSB CHI83LA153: Mooney M20J, N1170G, Warren, MN, March 28, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 28, 1983, 17:15 local (23:15 UTC)
- Place: Warren, MN
- Location: 48.1912° N, 96.7113° W: Placed by OpenAirDocs at WARREN MUNI (D37), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.1912&lon=-96.7113&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12122
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI83LA153
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12122/pdf
- Page: https://openairdocs.org/ntsb/CHI83LA153

## Sequence of events

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

- Loss of control - in flight, takeoff - initial climb
  - airspeed - not maintained, pilot in command (cause)
  - raising of flaps - premature, pilot in command (cause)
  - stall/mush - not corrected, pilot in command (contributing factor)
- In flight collision with terrain/water, takeoff - initial climb

## Analysis

THE PILOT WAS PRACTICING A SHORT FIELD TAKEOFF. THE ACFT CAME OFF THE GROUND NOSE HIGH AT LOW AIRSPEED. AT ABOUT 40 FEETAGL THE PILOT RETRACTED THE LANDING GEAR AND WHILE DOING THIS HE INADVERTANTLY RAISED THE FLAPS. THE ACFT MUSHED BACK TOTHE SURFACE. THE ACFT LEFT WING WAS DAMAGED BY THE GROUND IMPACT. THE WEATHER WAS VMC, NO FLIGHT PLAN HAD BEEN FILED ANDTHE PILOT WAS NOT INJURED. THE FLIGHT HAD ORIGINATED ABOUT 3 HOURS PRIOR TO THE ACCIDENT AS A TRAINING FLIGHT FROM THE U. OF NORTH DAKOTA. THE PILOT HAD DEPARTED GRAND FORKS AT 1445 CST, FLEW LOCALLY ABOUT 40 MINUTES AND THEN FLEW TO CROOKSTON, ND FOR TOUCH AND GO LANDINGS. HE THEN FLEW TO WARREN TAXIED IN, SHUT DOWN AND VISITED THE TERMINAL. AFTER RESTART AND TAXI, HE DECIDED TO DO THE SHORT/SOFT FIELD TAKEOFF WHICH RESULTED IN THE ACCIDENT.

## Aircraft

- Registration: [N1170G](https://openairdocs.org/aircraft/N1170G), registered now, S/N 24-1315, built 1982 (OpenAirDocs)
- Reported make and model: MOONEY M20J
- Registry model: [Mooney M20J](https://openairdocs.org/model/mooney-m20j) (registry code 5870219) (OpenAirDocs)
- Registry engine: [Lycoming I0360 SER A&C](https://openairdocs.org/engine/lycoming-i0360-ser-a-c) (registry code 41511, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 24-1315
- Airframe hours: 459
- Engines: LYCOMING IO-360-A3B6D 200 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: University Of North Dakota
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, November 15, 1982, 68 hours before
- Departed: CKN, CROOKSTON, MN
- Airport: D37, Warren Municipal, runway 12, 3,200 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 20; private; airplane ratings: single-engine land; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 182 total, 7 in this make and model, 79 as pilot in command, 56 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 15 statute miles
- Lowest ceiling: none

## 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 19830328009919A](https://openairdocs.org/incident/19830328009919A), Mar 28, 1983: Mooney M20J, Warren, MN, Substantial damage. Made premature liftoff. Lost directional control. Drifted off runway and settled into soft mud with the gear up.

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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