N231TM — 1993 Robinson Helicopter Company R22
Active registrationChecked against FAA & NTSB records · as of Jul 22, 2026
N231TM appears in 1 NTSB accident record (most recent 2012, serious injuries). Registration and accident data compiled from public FAA and NTSB records as of Jul 22, 2026.
Aircraft record
- Serial number
- 2317M
- Manufacturer
- Robinson Helicopter Company
- Model
- R22
- Year
- 1993
- Category
- Rotorcraft
- Engine
- Lycoming O-320-b2c
- Registration
- Active
- Registered to
- Casablanca Helicopter Llc — Rehoboth Beach, DE
Accident & incident history
The pilot’s delayed decision to initiate an autorotation and her subsequent improper conduct of the autorotation, which resulted in a hard landing, after the helicopter started vibrating for reasons that could not be determined because postaccident examinations revealed no anomalies that would have precluded normal operation.
Registration timeline
Ownership and registration events for this airframe (the 1993 Robinson Helicopter Company R22).
- Aug 1, 2011registered — Casablanca Helicopter Llc
Earlier aircraft on this N-number
The tail number N231TM was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the 1993 Robinson Helicopter Company R22 above.
- until Jan 5, 1989Mooney M20F (s/n 221179)
Frequently asked
- Has N231TM been in an accident?
- Yes. N231TM appears in 1 NTSB accident record, the most recent in 2012.
- What kind of aircraft is N231TM?
- N231TM is a 1993 Robinson Helicopter Company R22 (rotorcraft), serial number 2317M.
- Who is N231TM registered to?
- N231TM is registered to Casablanca Helicopter Llc of Rehoboth Beach, DE. Registration status: active.
The full N231TM report
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- Full NTSB investigation narratives for all 1 record — the complete text, not just the cause line
- Pre-buy question list generated from this aircraft’s actual records
- Complete registration & deregistration timeline, print-ready
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