# Accident 19990523047849A: Cessna 172RG, Morristown, NJ, May 23, 1999

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 23, 1999, 18:45 local time
- Place: Morristown, NJ
- Airport: Morristown Municipal Airport
- Damage: Substantial damage
- Phase of flight: Level Off Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 40.7993° N, 74.4149° W: Placed by OpenAirDocs at MORRISTOWN MUNI (MMU), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7993&lon=-74.4149&mi=10
- Aircraft: N9475B, a cancelled registration (https://openairdocs.org/deregistered/N9475B-2018-04-16) (OpenAirDocs)
- Registry model: Cessna 172RG (registry code 2072438, https://openairdocs.org/model/cessna-172rg) (OpenAirDocs)
- Registry engine: Lycoming O&VO-360 series (registry code 41514, https://openairdocs.org/engine/lycoming-o-vo-360-series) (OpenAirDocs)
- Reported make and model: CESSNA 172RG
- Reported engine: LYC O360*
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 607 total, 122 in this make and model, 39 in the last 90 days
- NTSB investigation: [NTSB NYC99LA154](https://openairdocs.org/ntsb/NYC99LA154) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990523047849A

## Narrative

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

(-23) RIGHT MAIN GEAR COLLAPSED AFTER TOUCHDOWN AT MMU. OWNER STATED SHE HAD A GREEN LIGHT AND HAD A VISUAL GEAR DOWN ON THE LEFT SIDE OF THE AIRCRAFT. AFTER TOUCHDOWN THE RIGHT MAIN LANDING GEAR COLLAPSED, AND THE AIRCRAFT SPUN AROUND TO THE LEFT ON THE RUNWAY DAMAGING RIGHT WING/RIGHT HORIZONTAL STABILIZER AND ELEVATOR. (.4) THE PILOT STATED THAT SHE RECEIVED HER APPROACH CLEARANCE ABOUT 12 MILES FROM THE AIRPORT. AT THAT TIME, SHE LOWERED THE LANDING GEAR AND PERFORMED A 'GUMPS' CHECK WHICH INCLUDED CHECKING THE GAS, UNDERCARRIAGE, MIXTURE AND PROPELLER. AFTER LOWERING THE LANDING GEAR, SHE OBSERVED A GREEN LANDING GEAR LIGHT. THE LANDING SEEMED NORMAL, AND THE PILOT DID NOT HEAR A GEAR WARNING HORN. THE RIGHT MAIN LANDING GEAR COLLAPSED AND THE AIRPLANE SPUN 180 DEGREES ON THE RUNWAY. EXAMINATION OF THE WRECKAGE BY A FEDERAL AVIATION ADMINISTRATION INSPECTOR, AND A LOCAL MECHANIC, DID NOT REVEAL ANY PRE-IMPACT MECHANICAL MALFUNCTIONS.

## 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 NYC99LA154](https://openairdocs.org/ntsb/NYC99LA154), May 23, 1999: Cessna 172RG (N9475B), Morristown, NJ, substantial damage. Probable cause: The right main landing gear collapsed for undetermined reasons.

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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