N744AK — 2003 Robinson Helicopter Company R44 II
Active registrationChecked against FAA & NTSB records · as of Jul 18, 2026
N744AK appears in 1 NTSB accident record (most recent 2018, no injuries). Registration and accident data compiled from public FAA and NTSB records as of Jul 18, 2026.
Aircraft record
- Serial number
- 10001
- Manufacturer
- Robinson Helicopter Company
- Model
- R44 II
- Year
- 2003
- Category
- Rotorcraft
- Engine
- Lycoming Io-540 Ser
- Registration
- Active
- Registered to
- Express Helicopters Llc — Houston, TX
Accident & incident history
Maintenance personnel's application of insufficient preload on the attachment hardware for the idler gear shaft during engine overhaul, which resulted in the dismounting of the idler gear shaft assembly due to wear and deformation and the subsequent total loss of engine power. Contributing to the accident was a mechanic's failure to identify metallic particles contained in the oil filter element at the most recent 100-hour inspection.
Registration timeline
Ownership and registration events for this airframe (the 2003 Robinson Helicopter Company R44 II).
- —registered — Express Helicopters Llc
Frequently asked
- Has N744AK been in an accident?
- Yes. N744AK appears in 1 NTSB accident record, the most recent in 2018.
- What kind of aircraft is N744AK?
- N744AK is a 2003 Robinson Helicopter Company R44 II (rotorcraft), serial number 10001.
- Who is N744AK registered to?
- N744AK is registered to Express Helicopters Llc of Houston, TX. Registration status: active.
The full N744AK report
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