# NTSB CHI83FA419: Warren Moneri S, N275HW, Lapeer, MI, September 7, 1983

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: September 7, 1983, 17:00 local (21:00 UTC)
- Place: Lapeer, MI
- Coordinates: 43.039409, -83.320404 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.0394&lon=-83.3204&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 12024
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI83FA419
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/12024/pdf
- Page: https://openairdocs.org/ntsb/CHI83FA419

## Sequence of events

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

- In flight collision with terrain/water, takeoff - initial climb
  - flight controls - improper use of, pilot in command (cause)
  - procedures/directives - not followed, pilot in command (cause)

## Analysis

THE GLIDER COLLIDED WITH THE GROUND AFTER AN UNSCHEDULED TOW RELEASE AT ABOUT 150 FT AGL.THIS WAS THE PLTS FIRST FLT IN THIS ACFT AFTER HAVING THE ENGINE REMOVED AND THE ACFT RECERTIFIED AS A GLIDER. GROUND PERSONNEL OBSERVED THE GLIDER AND TOW PILOT RELEASE THE TOW ROPE AT ABOUT THE SAME TIME. THE GLIDER'S BANK ANGLE CONTINUED TO INCREASE AND THE NOSE DROPPED. THE GLIDER CONTINUED IN THIS ATTITUDE UNTIL THE LEFT WING TIP STRUCK THE GROUND. EXAMINATION OF THE WRECKAGE REVEALED NO PRE-IMPACT MALFUNCTION/FAILURE.

## Aircraft

- Registration: [N275HW](https://openairdocs.org/deregistered/N275HW-2013-06-18), registration cancelled 2013-06-18, S/N 275, built 1982 (OpenAirDocs)
- Reported make and model: WARREN MONERI S
- Registry model: [Warren Howard MONERAI](https://openairdocs.org/model/warren-howard-monerai) (registry code 05647HU) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Glider, amateur-built
- Serial number: 275
- Airframe hours: 4
- Engines: unknown
- Damage: Destroyed
- Flight: Personal, Part 91
- Registered owner: Howard B. Warren
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Unknown, August 31, 1983, 0 hours before
- Airport: D95, Dupont Lapeer, runway 27, 1,925 × 175 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 57; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; toxicology performed; flight hours: 1,000 total, 927 as pilot in command, 18 in the last 90 days, 6 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 5 knots
- Visibility: 15 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 19830907046959A](https://openairdocs.org/incident/19830907046959A), Sep 7, 1983: Amtr MONERAIS, Lapeer, MI, Destroyed. During tow takeoff glide pilot had control problems. Tow pilot released glider as it banked and dived into ground.

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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