GB1475442A - Airfield approach slope indicators - Google Patents
Airfield approach slope indicatorsInfo
- Publication number
- GB1475442A GB1475442A GB31775A GB31775A GB1475442A GB 1475442 A GB1475442 A GB 1475442A GB 31775 A GB31775 A GB 31775A GB 31775 A GB31775 A GB 31775A GB 1475442 A GB1475442 A GB 1475442A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lights
- row
- aircraft
- airfield
- rows
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/18—Visual or acoustic landing aids
- B64F1/20—Arrangement of optical beacons
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Traffic Control Systems (AREA)
- Road Paving Structures (AREA)
Abstract
1475442 Visual landing aids for aircraft DEFENCE SECRETARY OF STATE FOR 30 Dec 1975 [3 Jan 1975] 317/75 Heading G4F An airfield visual glide slope is afforded by two rows 1, 2 of lights, row 1 being near the runway threshold and row 2 being between 40 and 700 metres nearer to the mid-point thereof, the angles of elevation of the lights differ, and each light produces a beam which has a sharp transition between white and red (so-called "sharptransition VASI" lighting unit). Figs. 3a, b, c (not shown) illustrate the scene when an aircraft is in various positions relative to the correct (3 degree) glide slope. Similar rows of lights may be added symmetrically on the other side of the runway.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB31775A GB1475442A (en) | 1975-12-30 | 1975-12-30 | Airfield approach slope indicators |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB31775A GB1475442A (en) | 1975-12-30 | 1975-12-30 | Airfield approach slope indicators |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1475442A true GB1475442A (en) | 1977-06-01 |
Family
ID=9702268
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB31775A Expired GB1475442A (en) | 1975-12-30 | 1975-12-30 | Airfield approach slope indicators |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1475442A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006107749A1 (en) * | 2005-04-06 | 2006-10-12 | Honeywell International Inc. | System for displaying validity of airport visual approach slope indicators |
-
1975
- 1975-12-30 GB GB31775A patent/GB1475442A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006107749A1 (en) * | 2005-04-06 | 2006-10-12 | Honeywell International Inc. | System for displaying validity of airport visual approach slope indicators |
US7209053B2 (en) | 2005-04-06 | 2007-04-24 | Honeywell International Inc. | System and method for displaying validity of airport visual approach slope indicators |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |