SA02168AK (PG 2)
Installation of hourmeter airspeed switch. For unpressurized aircraft only. Pressurized aircraft must have pressurization system deactivated. Held by Avalaska INC, which holds 8 approved modifications in all. Last revised March 22, 2001. System: instruments and avionics.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Aermacchi S.p.A.; Agusta S.p.A.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Allied Ag Cat Productions Inc.; Atlantic Coast Seaplanes LLC; Atlantic Coast Seaplanes LLC; Atlantic Coast Seaplanes LLC; Atlantic Coast Seaplanes LLC; Augustair Inc.; Augustair Inc.; Augustair Inc.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Emerald Enterprises Ltd.; Mooney Aircraft Corporation; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Mooney Aviation Company Inc; Noorduyn Aviation Ltd.; Noorduyn Aviation Ltd.; Noorduyn Aviation Ltd.; Noorduyn Aviation Ltd.; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Reims Aviation S.A.; Rogers Burl A.; Rogers Burl A.; Short Brothers PLC; Short Brothers PLC; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sky International Inc.; Sky International Inc.; Sky International Inc.; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA - Groupe Aerospatiale; SOCATA; SOCATA; SOCATA; SOCATA; SOCATA; Swift Museum Foundation Inc.; Swift Museum Foundation Inc.; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Taylorcraft 2000 LLC; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Univair Aircraft Corporation; Vulcanair S.p.A.; Vulcanair S.p.A.; Vulcanair S.p.A.; Vulcanair S.p.A.; Vulcanair S.p.A.; Vulcanair S.p.A.; Vulcanair S.p.A.; Vulcanair S.p.A.; Vulcanair S.p.A.; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company; Weatherly Aircraft Company
- Models
- F.260, F.260B, F.260C, F.260D, F.260E, F.260F, S.205 - 18/F, S.205 - 18/R, S.205 - 20/F, S.205 - 20/R, S.205 - 22/R, S.208, S.208A, S.210, G-164, G-164A, G-164B, G-164B-15T, G-164B-20T, G-164B-34T, G-164B (with 73 inch wing gap), G-164C, G-164D, G-164D (with 73 inch wing gap), G-21C, G-21D, G-21E, G-21G, 2150, 2150A, 2180, BN-2, BN-2A, BN-2A-2, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A-27, BN-2A-3, BN-2A-6, BN-2A-8, BN-2A-9, BN-2B-20, BN-2B-21, BN-2B-26, BN-2B-27, BN-2T, BN-2T-4R, DC-7, DC-7B, DC-7C, R4D-8, R4D-8Z, Super DC-3, DC-6A, Navy R6D-1, USAF C-118A, DC-6B, Navy R6D-1Z, DC3-G102,...
- Type certificates
- A10EU, A10EU, A10EU, A10EU, A10EU, A10EU, A9EU, A9EU, A9EU, A9EU, A9EU, A9EU, A9EU, A25EU, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 4A24, 4A24, 4A24, 4A24, 4A19, 4A19, 4A19, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, 4A10, 4A10, 4A10, 6A2, 6A2, 6A2, 6A3, 6A3, 6A3, 6A4, 6A4, A-618, A-618, A-618, A-618, A-669, A-669, A-669, A-669, A-669, A-669, A-669, A-669, A-669, A-669, A-781, A13EU, A13EU, A13EU, A13EU, A13EU, A13EU, A13EU, A13EU, A13EU, A13EU, A13EU, A13EU, A13EU, A18EU, A18EU, A18EU, A18EU, A18EU, A18EU, A23EU, A23EU, A23EU, A23EU, A23EU, A23EU, A23EU, A26EU, A42EU, A42EU, A42EU, A4EU, A4EU, A4EU, A4EU, A4EU, A4EU, A4EU, A4EU, A4EU, A4EU, A9WE, A6SW, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, 2A3, A-2-578, A-2-578, A-2-578, A-2-578, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, A54EU, A-802, A-802, A15EU, A15EU, A-782, A-782, A-782, A-782, A-782, A-782, A-782, A-782, A22NM, A22NM, A22NM, 7A14, 7A14, 7A14, 7A14, 7A14, 7A14, 7A14, 7A14, 7A14, 7A14, 7A14, 7A14, 7A14, A17SO, A51EU, A51EU, A51EU, A51EU, A51EU, A-766, A-766, 1A9, 1A9, 1A9, 1A9, 1A9, 1A9, 1A9, 1A9, 1A9, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-696, A-718, A-718, A-767, A-767, A-767, A-767, A-767, A-787, A-787, A-787, A-787, A-787, A-787, A-787, A31EU, A31EU, A31EU, A31EU, A31EU, A31EU, A31EU, A31EU, A31EU, A10WE, A10WE, A10WE, A10WE, A26WE, A26WE, A26WE, A26WE, A26WE
- On this site
- Aeronca S15 13 registered
Agusta Spa F.260D 11 registered
Britten-Norman BN-2 54 registered
Daher (Socata) TB 10 53 registered
Daher (Socata) TB-20 200 registered
Daher (Socata) TB 9 34 registered
Daher (Socata) TB200 11 registered
Daher (Socata) TB21 57 registered
Douglas DC-3 155 registered
Navion NAVION D 5 registered
Navion NAVION F 6 registered
Navion NAVION G 61 registered
Navion NAVION H 36 registered
Partenavia S.P.A. P 68 16 registered
Pilatus Britten-Norman Ltd. BN-2 13 registered
Pilatus PC-6 22 registered
S.O.C.A.T.A. MS894 27 registered
S.O.C.A.T.A. RALLYE 150 10 registered
S.O.C.A.T.A. RALLYE 235 16 registered
Schweizer Aircraft Corp G-164 64 registered
Siai-Marchetti F.260 7 registered
Siai-Marchetti F.260C 17 registered
Siai-Marchetti S.205/22R 22 registered
Taylorcraft BC-65 109 registered
Taylorcraft BC12 BC-12D 1,225 registered
Taylorcraft BCS12 17 registered
Varga Aircraft Corp. 2180 14 registered
Vulcanair Spa P68 10 registered - The FAA's record
- On the FAA's site
What an approved modification is
A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.
Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 7, 2026.