--- title: "SPA.HOFO.100 – SPA.HOFO.170: SUBPART K: HELICOPTER OFFSHORE OPERATIONS (Part-SPA) — rule index · Avioverse" description: "SPA.HOFO.100 – SPA.HOFO.170, Regulation (EU) No 965/2012. The requirements of this Subpart apply to: a commercial air transport operator holding a valid…" url: "https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k" --- # SUBPART K: HELICOPTER OFFSHORE OPERATIONS ANNEX V (Part-SPA) · Air Operations · Regulation (EU) No 965/2012 · SPA.HOFO.100 – SPA.HOFO.170 On this page 1. ## [SPA.HOFO.100 Helicopter offshore operations (HOFO)](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-100) The requirements of this Subpart apply to: a commercial air transport operator holding a valid AOC in accordance with Part-ORO; 2. ## [SPA.HOFO.105 Approval for helicopter offshore operations](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-105) Prior to engaging in operations under this Subpart, a specific approval by the competent authority shall have been issued to the operator. [GM1 SPA.HOFO.105(c) Approval for offshore operations](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-105#gm1-spa-hofo-105-c) 3. ## [SPA.HOFO.110 Operating procedures](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-110) The operator shall, as part of its safety management process, mitigate and minimise risks and hazards specific to helicopter offshore operations. [AMC1 SPA.HOFO.110(a) Operating procedures](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-110#amc1-spa-hofo-110-a) [AMC1 SPA.HOFO.110(a)(4) Operating procedures](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-110#amc1-spa-hofo-110-a-4) [AMC1 SPA.HOFO.110(b)(1) Operating procedures](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-110#amc1-spa-hofo-110-b-1) [AMC1 SPA.HOFO.110(b)(2) Operating procedures](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-110#amc1-spa-hofo-110-b-2) [AMC1 SPA.HOFO.110(b)(5) Operating procedures](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-110#amc1-spa-hofo-110-b-5) [GM1 SPA.HOFO.110(b)(9) Operating Procedures](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-110#gm1-spa-hofo-110-b-9) 4. ## [AMC1.1 SPA.HOFO.110(b)(2) Operating procedures](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/amc1-1-spa-hofo-110-b-2-operating-procedures) PASSENGER BRIEFING This AMC is applicable to passengers who require more knowledge of the operational concept, such as sea pilots and support personnel… 5. ## [SPA.HOFO.115 Use of offshore locations](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-115) The operator shall only use offshore locations that are suitable in relation to size and mass of the type of helicopter and to the operations concerned. [AMC1 SPA.HOFO.115 Use of offshore locations](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-115#amc1-spa-hofo-115) [GM1 SPA.HOFO.115 Use of offshore locations](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-115#gm1-spa-hofo-115) [GM2 SPA.HOFO.115 Use of offshore locations](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-115#gm2-spa-hofo-115) 6. ## [SPA.HOFO.120 Selection of aerodromes and operating sites](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-120) Onshore destination alternate aerodrome. Notwithstanding points CAT.OP.MPA.192, NCC.OP.152 and SPO.OP.151, the pilot-in command/commander does not need… [AMC1 SPA.HOFO.120 Selection of aerodromes and operating sites](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-120#amc1-spa-hofo-120) [AMC2 SPA.HOFO.120 Selection of aerodromes and operating sites](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-120#amc2-spa-hofo-120) 7. ## [SPA.HOFO.125 Offshore standard approach procedures (OSAPs)](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-125) An operator shall establish procedures to ensure that offshore standard approach procedures (OSAPs) are followed only if: [AMC1 SPA.HOFO.125 Offshore standard approach procedures (OSAPs)](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-125#amc1-spa-hofo-125) [AMC2 SPA.HOFO.125 Offshore standard approach procedures (OSAPs)](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-125#amc2-spa-hofo-125) [GM1 SPA.HOFO.125 Offshore standard approach procedures (OSAPs)](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-125#gm1-spa-hofo-125) [GM2 SPA.HOFO.125 Offshore standard approach procedures (OSAPs)](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-125#gm2-spa-hofo-125) [AMC1 SPA.HOFO.125(g) Offshore standard approach procedures (OSAPs)](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-125#amc1-spa-hofo-125-g) 8. ## [SPA.HOFO.130 Meteorological conditions](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-130) Notwithstanding CAT.OP.MPA.247, NCC.OP.180 and SPO.OP.170, when flying between offshore locations located in class G airspace where the overwater sector… 9. ## [SPA.HOFO.135 Wind limitations for operations to offshore locations](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-135) Operation to an offshore location shall only be performed when the wind speed at the helideck is reported to be not more than 60 knots including gusts. 10. ## [SPA.HOFO.140 Performance requirements at offshore locations](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-140) Helicopters taking off from and landing at offshore locations shall be operated in accordance with the performance requirements of the appropriate Annex… [AMC1 SPA.HOFO.140 Performance requirements – take-off and landing at offshore locations](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-140#amc1-spa-hofo-140) 11. ## [SPA.HOFO.145 Flight data monitoring (FDM) programme](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-145) When conducting CAT operations with a helicopter equipped with a flight data recorder, the operator shall establish and maintain a FDM programme, as part… [AMC1 SPA.HOFO.145 Flight data monitoring (FDM) programme](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-145#amc1-spa-hofo-145) [AMC2 SPA.HOFO.145 Flight data monitoring (FDM) programme](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-145#amc2-spa-hofo-145) [GM1 SPA.HOFO.145 Flight data monitoring (FDM) programme](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-145#gm1-spa-hofo-145) [GM2 SPA.HOFO.145 Flight data monitoring (FDM) programme](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-145#gm2-spa-hofo-145) 12. ## [SPA.HOFO.150 Aircraft tracking system](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-150) An operator shall establish and maintain a monitored aircraft tracking system for offshore operations in a hostile environment from the time the… [AMC1 SPA.HOFO.150 Aircraft tracking system](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-150#amc1-spa-hofo-150) [GM1 SPA.HOFO.150 Aircraft tracking system](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-150#gm1-spa-hofo-150) 13. ## [SPA.HOFO.155 Vibration health monitoring (VHM) system](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-155) The following helicopters conducting CAT offshore operations in a hostile environment shall be fitted with a VHM system capable of monitoring the status… [AMC1 SPA.HOFO.155 Vibration health monitoring (VHM) system](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-155#amc1-spa-hofo-155) [GM1 SPA.HOFO.155 Vibration health monitoring (VHM) system](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-155#gm1-spa-hofo-155) 14. ## [SPA.HOFO.160 Equipment requirements](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-160) The operator shall comply with the following equipment requirements: [GM1 SPA.HOFO.160(a)(1) Additional equipment requirements](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-160#gm1-spa-hofo-160-a-1) [GM1 SPA.HOFO.160(a)(2) Additional equipment requirements](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-160#gm1-spa-hofo-160-a-2) 15. ## [SPA.HOFO.165 Additional procedures and equipment for operations in a hostile environment](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-165) Life jackets Approved life jackets shall be worn at all times by all persons on board unless integrated survival suits that meet the combined requirement… [AMC1 SPA.HOFO.165(c) Additional procedures and equipment for operations in hostile environment](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-165#amc1-spa-hofo-165-c) [AMC1 SPA.HOFO.165(d) Additional procedures and equipment for operations in hostile environment](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-165#amc1-spa-hofo-165-d) [AMC1 SPA.HOFO.165(h) Additional procedures and equipment for operations in a hostile environment](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-165#amc1-spa-hofo-165-h) [GM1 SPA.HOFO.165(h) Additional procedures and equipment for operations in a hostile environment](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-165#gm1-spa-hofo-165-h) [AMC1 SPA.HOFO.165(i) Additional procedures and equipment for operations in a hostile environment](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-165#amc1-spa-hofo-165-i) 16. ## [SPA.HOFO.170 Crew requirements](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-170) The operator shall establish: criteria for the selection of flight crew members, taking into account the flight crew members’ previous experience; [AMC1 SPA.HOFO.170(a) Crew requirements](https://avioverse.aero/regulations/easa/air-ops/part-spa/subpart-k/spa-hofo-170#amc1-spa-hofo-170-a) Consolidated from the EASA Easy Access Rules (revision 27 Mar 2026, extracted 13 Oct 2026) for convenience. 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