Models / Enstrom / F-28C / N631DP Aircraft record N631DP 1980 Enstrom F-28C Registration valid Unclaimed Source: FAA, updated Oct 20, 2026Safety record in brief: 2 NTSB accidents (substantial damage at worst, latest Sep 2013) · 6 ADs may apply
Registration Valid expires Apr 30, 2030 NTSB events 2 substantial, 2013 ADs may apply 6 confirm with A&P Service reports 0 since 1995
Registration FAA Aircraft Registry · Oct 20, 2026
Registered owner Heritage Rotors LLC
Owner type LLC
City, state De Leon Springs, FL
Certificate issued May 28, 2010
Expires Apr 30, 2030
Airworthiness Standard · Normal
Airworthiness date Jun 3, 1999 We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine FAA Registry + type data Airframe
Manufacturer Enstrom
Model F-28C
Year 1980
Serial number 492-2
Aircraft type Rotorcraft
Category Land
Certification Type Certificated
Seats 3
Engines 1
Max takeoff weight Up to 12,499 lb
Type certificate data sheet H1CE
Mode S code A841CC Engine
Make and model Lycoming Hio-360 Ser
Type Reciprocating
Power 205 hp Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history Ownership history from FAA records 2010 – now Heritage Rotors LLC De Leon Springs, FL · current Individual owners are shown by city and state only.
Safety record NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026 NTSB events (2)
Accident · minor damage Sep 27, 2013 · Bloomsburg, PA The relieved pilot’s failure to maintain clearance from the rotating main rotor blades after he exited the helicopter.
Damage Minor
Injuries Fatal
Report ERA13LA433 From NTSB records; matched by serial number. Read NTSB report (search CAROL for ERA13LA433)
Accident · substantial damage Aug 11, 2006 · Independence, OH The pilot's failure to maintain rotor RPM leading to his failure to maintain control of the helicopter and the hard landing.
Damage Substantial
Injuries None
Report CHI06CA236 From NTSB records; matched by serial number. Read NTSB report (search CAROL for CHI06CA236)
Accident history for this model ADs published since 1998 that may apply (6) These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
AD Subject Effective Applies to 2018-02-01 The Enstrom Helicopter Corporation Helicopters Feb 21, 2018 Airframe (F-28C)Certain serial numbers: 480 5001–5006. Only with: With main rotor spindle P/N 28-14282-11 or 28-14282-13 installed. 2017-26-03 The Enstrom Helicopter Corporation Helicopters Jan 4, 2018 Airframe (F-28C)Only with: Rod end bearing assembly P/N 01-824-08E-011, 09455-01-824-08E-011, ECD091-1, ASMK8T, M81935/1-08K, MS21242S8K, or MTK8 installed. 2012-11-05 Enstrom Helicopter Corporation Helicopters Jul 3, 2012 Airframe (F-28C)Only with: Helicopters with trim relay P/N KUP14D55-24, KUP14D55-472, M83536/10-015M, or M83536/10-024M installed; does not apply to helicopters with reversible trim motor P/N 28-16621 or P/N AD1R-10. 2011-26-10 Enstrom Helicopter Corporation Helicopters Jan 23, 2012 Airframe (F-28C)Only with: Helicopters with a trim relay P/N KUP14D55-472, M83536/10-015M, or M83536/10-024M installed; does not apply to helicopters with reversible trim motor P/N 28-16621 or AD1R-10. 2002-08-03 Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28F, 280, 280C, 280F, and… May 2, 2002 Airframe (F-28C)
Show all 6 ADs Show fewer ADs AD Subject Effective Applies to 96-06-03 The Enstrom Helicopter Corporation Model F-28, F-28A, F-28C, F-28C-2, F-28F, 280, 280C… Mar 19, 1996 Airframe (F-28C)
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (0) No Service Difficulty Reports found for this airframe since 1995.
Sources FAA Aircraft Registry Registration, owner city and state, airframe, engine updated Oct 20, 2026 NTSB accident and incident database Accidents and incidents since 1982 updated Oct 15, 2026 FAA Airworthiness Directives (Federal Register) ADs published since 1998 updated Oct 20, 2026 FAA Service Difficulty Reports Reports since 1995 updated Oct 16, 2026 Request owner name removal Report an error in this record