# Accident 20171221024159A: Cessna 172M, Monroe, MI, December 21, 2017

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 21, 2017, 12:00 local time
- Place: Monroe, MI
- Airport: Custer
- Damage: Substantial damage
- Phase of flight: Landing: Approach
- Operating rules: General operating rules (Part 91)
- Location: 41.9436° N, 83.4328° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=41.9436&lon=-83.4328&mi=10
- Aircraft: N4491R, a cancelled registration (https://openairdocs.org/deregistered/N4491R-2019-11-04) (OpenAirDocs)
- Registry model: Cessna 172M (registry code 2072418, https://openairdocs.org/model/cessna-172m) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: CESSNA 172M
- Reported engine: LYCOMING 0-320 SERIES
- People aboard: 2
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot, flight instructor
- Pilot flight hours: 8,010 total, 2,700 in this make and model, 80 in the last 90 days
- NTSB investigation: [NTSB GAA18CA097](https://openairdocs.org/ntsb/GAA18CA097) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20171221024159A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ON 21 DECEMBER 2017, N4491R WAS PRACTICING TAKEOFFS AND LANDINGS AT MONROE CUSTER AIRPORT (KTTF).  BOTH THE STUDENT AND INSTRUCTOR WERE ONBOARD THE AIRCRAFT.  ON THE SIXTH LANDING OF THE LESSON, AT APPROXIMATELY 1200 EST, THE STUDENT WAS ON THE CONTROLS ON APPROACH TO LAND ON RUNWAT 21.  DURING THE LEVEL OFF TO START THE LANDING FLARE, THE AIRCRAFT STARTED DRIFTING RIGHT.  THE STUDENT ATTEMPTED TO CORRECT THE FLIGHT CONTROLS TO ALIGN THE AIRCRAFT WITH THE RUNWAY.  THE AIRCRAFT SUDDENLY YAWED TO THE LEFT.  THE INSTRUCTOR ANNOUNCED THAT HE HAD THE CONTROLS, APPLIED FULL POWER, RAISED THE FLAP LEVER TO THE UP POSITION AND EXECUTED A GO-AROUND WHILE THE STUDENT REMAIND ?LIGHTLY? ON THE CONTROLS.  THE INSTRUCTOR STATED THAT INSPITE OF APPLYING RIGHT RUDDER THE AIRCRAFT CONTINUED TO DRIFT LEFT.  THE LEFT WING STRUCK THE RUNWAY.  THE NOSE PITCHED DOWN HARD, IMPACTING THE RUNWAY, SEVERING THE NOSE WHEEL AND STRUT, RESULTING IN A PROPPELER STRIKE AT FULL THROTTLE.  THE AIRCRAFT THEN ROLLED RIGHT WITH THE RIGHT WING IMPACTING THE RUNWAY.  THE AIRCRAFT ROLLED A SHORT DISTANCE COMING TO REST ON A TAXIWAY.  THE INSTRUCTOR SECURED THE AIRCRAFT AND HE AND THE STUDENT EVACUATED.

KTTF 061652Z AUTO 24017G23KT 10SM OVC050 02/M06 A2989 RMK AO2 T00151064

## The NTSB's investigation of this event (1)

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.

- [NTSB GAA18CA097](https://openairdocs.org/ntsb/GAA18CA097), Dec 21, 2017: Cessna 172 (N4491R), Monroe, MI, substantial damage. Probable cause: The student pilot’s improper yaw control during the landing flare and the flight instructor’s failure to take remedial action, which resulted in a hard landing.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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