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FR2304515A1 - Systeme d'alarme pour helicoptere - Google Patents

Systeme d'alarme pour helicoptere

Info

Publication number
FR2304515A1
FR2304515A1 FR7534396A FR7534396A FR2304515A1 FR 2304515 A1 FR2304515 A1 FR 2304515A1 FR 7534396 A FR7534396 A FR 7534396A FR 7534396 A FR7534396 A FR 7534396A FR 2304515 A1 FR2304515 A1 FR 2304515A1
Authority
FR
France
Prior art keywords
alarm system
helicopter
helicopter alarm
alarm
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.)
Granted
Application number
FR7534396A
Other languages
English (en)
French (fr)
Other versions
FR2304515B1 (xx
Inventor
Ronald Edward Barnum
Louis Saxon Cotton
Franklin Amos Tefft
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RTX Corp
Original Assignee
United Technologies Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US05/559,452 external-priority patent/US3979717A/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of FR2304515A1 publication Critical patent/FR2304515A1/fr
Application granted granted Critical
Publication of FR2304515B1 publication Critical patent/FR2304515B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
    • G01C5/005—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels altimeters for aircraft

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Emergency Alarm Devices (AREA)
  • Navigation (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7534396A 1975-03-18 1975-11-12 Systeme d'alarme pour helicoptere Granted FR2304515A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/559,452 US3979717A (en) 1974-06-03 1975-03-18 Helicopter warning system

Publications (2)

Publication Number Publication Date
FR2304515A1 true FR2304515A1 (fr) 1976-10-15
FR2304515B1 FR2304515B1 (xx) 1979-01-19

Family

ID=24233647

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7534396A Granted FR2304515A1 (fr) 1975-03-18 1975-11-12 Systeme d'alarme pour helicoptere

Country Status (7)

Country Link
JP (1) JPS5725041B2 (xx)
CA (1) CA1072195A (xx)
DE (1) DE2549884A1 (xx)
FR (1) FR2304515A1 (xx)
GB (1) GB1522506A (xx)
IL (1) IL48315A (xx)
IT (1) IT1048840B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3228557A1 (de) * 1982-07-30 1984-02-09 Ulrich 8000 München Trampnau Warnvorrichtung fuer hubschrauber
US4769645A (en) * 1983-06-10 1988-09-06 Sundstrand Data Control, Inc. Excessive pitch attitude warning system for rotary wing aircraft
US4818992A (en) * 1983-06-10 1989-04-04 Sundstrand Data Control, Inc. Excessive altitude loss after take-off warning system for rotary wing aircraft
CA1240771A (en) * 1983-06-10 1988-08-16 Noel S. Paterson Warning system for tactical rotary wing aircraft
DE3434758C2 (de) * 1984-09-21 1986-08-07 Ulrich 8000 München Trampnau Landehilfe für Hubschrauber
DE19930559B4 (de) * 1999-07-02 2004-08-12 Airbus Deutschland Gmbh Anordnung und Verfahren zum Schutz eines Flugzeugrumpfes
DE102008058029B3 (de) 2008-11-18 2010-01-07 Deutsches Zentrum für Luft- und Raumfahrt e.V. Hubschrauber
CN113335538A (zh) * 2020-03-02 2021-09-03 中航西飞民用飞机有限责任公司 一种飞机试飞擦尾监控方法
CN113928575A (zh) * 2021-10-20 2022-01-14 成都国营锦江机器厂 一种预防直升机尾部着地的告警方法和装置

Also Published As

Publication number Publication date
IL48315A0 (en) 1975-12-31
JPS5725041B2 (xx) 1982-05-27
AU8573375A (en) 1977-04-21
JPS51109699A (xx) 1976-09-28
IT1048840B (it) 1980-12-20
CA1072195A (en) 1980-02-19
IL48315A (en) 1978-08-31
DE2549884A1 (de) 1976-09-30
GB1522506A (en) 1978-08-23
FR2304515B1 (xx) 1979-01-19

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Legal Events

Date Code Title Description
ST Notification of lapse